Expose test utils to Labrinth dependents (#4703)

* Expose test utils to Labrinth dependents

* Feature gate `labrinth::test`

* Unify db migrators

* Expose `NotificationBuilder::insert_many_deliveries`

* Add logging utils to common crate

* Remove unused console-subscriber layer

* fix CI

apps/labrinth/src/test/api_v2/mod.rs

@@ -0,0 +1,56 @@
+use super::{
+    api_common::{Api, ApiBuildable},
+    environment::LocalService,
+};
+use crate::LabrinthConfig;
+use actix_web::{App, dev::ServiceResponse, test};
+use async_trait::async_trait;
+use std::rc::Rc;
+use utoipa_actix_web::AppExt;
+
+pub mod project;
+pub mod request_data;
+pub mod tags;
+pub mod team;
+pub mod user;
+pub mod version;
+
+#[derive(Clone)]
+pub struct ApiV2 {
+    pub test_app: Rc<dyn LocalService>,
+}
+
+#[async_trait(?Send)]
+impl ApiBuildable for ApiV2 {
+    async fn build(labrinth_config: LabrinthConfig) -> Self {
+        let app = App::new()
+            .into_utoipa_app()
+            .configure(|cfg| {
+                crate::utoipa_app_config(cfg, labrinth_config.clone())
+            })
+            .into_app()
+            .configure(|cfg| crate::app_config(cfg, labrinth_config.clone()));
+        let test_app: Rc<dyn LocalService> =
+            Rc::new(test::init_service(app).await);
+
+        Self { test_app }
+    }
+}
+
+#[async_trait(?Send)]
+impl Api for ApiV2 {
+    async fn call(&self, req: actix_http::Request) -> ServiceResponse {
+        self.test_app.call(req).await.unwrap()
+    }
+
+    async fn reset_search_index(&self) -> ServiceResponse {
+        let req = actix_web::test::TestRequest::post()
+            .uri("/v2/admin/_force_reindex")
+            .append_header((
+                "Modrinth-Admin",
+                dotenvy::var("LABRINTH_ADMIN_KEY").unwrap(),
+            ))
+            .to_request();
+        self.call(req).await
+    }
+}

apps/labrinth/src/test/api_v2/project.rs

@@ -0,0 +1,550 @@
+use std::{collections::HashMap, fmt::Write};
+
+use crate::test::asserts::assert_status;
+use crate::test::{
+    api_common::{
+        Api, ApiProject, AppendsOptionalPat,
+        models::{CommonItemType, CommonProject, CommonVersion},
+        request_data::{ImageData, ProjectCreationRequestData},
+    },
+    dummy_data::TestFile,
+};
+use crate::{
+    models::v2::{projects::LegacyProject, search::LegacySearchResults},
+    util::actix::AppendsMultipart,
+};
+use actix_http::StatusCode;
+use actix_web::{
+    dev::ServiceResponse,
+    test::{self, TestRequest},
+};
+use async_trait::async_trait;
+use bytes::Bytes;
+use serde_json::json;
+
+use crate::test::database::MOD_USER_PAT;
+
+use super::{
+    ApiV2,
+    request_data::{self, get_public_project_creation_data},
+};
+
+impl ApiV2 {
+    pub async fn get_project_deserialized(
+        &self,
+        id_or_slug: &str,
+        pat: Option<&str>,
+    ) -> LegacyProject {
+        let resp = self.get_project(id_or_slug, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_user_projects_deserialized(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> Vec<LegacyProject> {
+        let resp = self.get_user_projects(user_id_or_username, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn search_deserialized(
+        &self,
+        query: Option<&str>,
+        facets: Option<serde_json::Value>,
+        pat: Option<&str>,
+    ) -> LegacySearchResults {
+        let query_field = if let Some(query) = query {
+            format!("&query={}", urlencoding::encode(query))
+        } else {
+            "".to_string()
+        };
+
+        let facets_field = if let Some(facets) = facets {
+            format!("&facets={}", urlencoding::encode(&facets.to_string()))
+        } else {
+            "".to_string()
+        };
+
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/search?{query_field}{facets_field}"))
+            .append_pat(pat)
+            .to_request();
+        let resp = self.call(req).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+}
+
+#[async_trait(?Send)]
+impl ApiProject for ApiV2 {
+    async fn add_public_project(
+        &self,
+        slug: &str,
+        version_jar: Option<TestFile>,
+        modify_json: Option<json_patch::Patch>,
+        pat: Option<&str>,
+    ) -> (CommonProject, Vec<CommonVersion>) {
+        let creation_data =
+            get_public_project_creation_data(slug, version_jar, modify_json);
+
+        // Add a project.
+        let slug = creation_data.slug.clone();
+        let resp = self.create_project(creation_data, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+
+        // Approve as a moderator.
+        let req = TestRequest::patch()
+            .uri(&format!("/v2/project/{slug}"))
+            .append_pat(MOD_USER_PAT)
+            .set_json(json!(
+                {
+                    "status": "approved"
+                }
+            ))
+            .to_request();
+        let resp = self.call(req).await;
+        assert_status!(&resp, StatusCode::NO_CONTENT);
+
+        let project = self.get_project_deserialized_common(&slug, pat).await;
+
+        // Get project's versions
+        let req = TestRequest::get()
+            .uri(&format!("/v2/project/{slug}/version"))
+            .append_pat(pat)
+            .to_request();
+        let resp = self.call(req).await;
+        let versions: Vec<CommonVersion> = test::read_body_json(resp).await;
+
+        (project, versions)
+    }
+
+    async fn get_public_project_creation_data_json(
+        &self,
+        slug: &str,
+        version_jar: Option<&TestFile>,
+    ) -> serde_json::Value {
+        request_data::get_public_project_creation_data_json(slug, version_jar)
+    }
+
+    async fn create_project(
+        &self,
+        creation_data: ProjectCreationRequestData,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = TestRequest::post()
+            .uri("/v2/project")
+            .append_pat(pat)
+            .set_multipart(creation_data.segment_data)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn remove_project(
+        &self,
+        project_slug_or_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/project/{project_slug_or_id}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_project(
+        &self,
+        id_or_slug: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri(&format!("/v2/project/{id_or_slug}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_project_deserialized_common(
+        &self,
+        id_or_slug: &str,
+        pat: Option<&str>,
+    ) -> CommonProject {
+        let resp = self.get_project(id_or_slug, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let project: LegacyProject = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(project).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_projects(
+        &self,
+        ids_or_slugs: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let ids_or_slugs = serde_json::to_string(ids_or_slugs).unwrap();
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v2/projects?ids={encoded}",
+                encoded = urlencoding::encode(&ids_or_slugs)
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_project_dependencies(
+        &self,
+        id_or_slug: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri(&format!("/v2/project/{id_or_slug}/dependencies"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_user_projects(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/user/{user_id_or_username}/projects"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_user_projects_deserialized_common(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> Vec<CommonProject> {
+        let resp = self.get_user_projects(user_id_or_username, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let projects: Vec<LegacyProject> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(projects).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn edit_project(
+        &self,
+        id_or_slug: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/project/{id_or_slug}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn edit_project_bulk(
+        &self,
+        ids_or_slugs: &[&str],
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let projects_str = ids_or_slugs
+            .iter()
+            .map(|s| format!("\"{s}\""))
+            .collect::<Vec<_>>()
+            .join(",");
+        let req = test::TestRequest::patch()
+            .uri(&format!(
+                "/v2/projects?ids={encoded}",
+                encoded = urlencoding::encode(&format!("[{projects_str}]"))
+            ))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn edit_project_icon(
+        &self,
+        id_or_slug: &str,
+        icon: Option<ImageData>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        if let Some(icon) = icon {
+            // If an icon is provided, upload it
+            let req = test::TestRequest::patch()
+                .uri(&format!(
+                    "/v2/project/{id_or_slug}/icon?ext={ext}",
+                    ext = icon.extension
+                ))
+                .append_pat(pat)
+                .set_payload(Bytes::from(icon.icon))
+                .to_request();
+
+            self.call(req).await
+        } else {
+            // If no icon is provided, delete the icon
+            let req = test::TestRequest::delete()
+                .uri(&format!("/v2/project/{id_or_slug}/icon"))
+                .append_pat(pat)
+                .to_request();
+
+            self.call(req).await
+        }
+    }
+
+    async fn create_report(
+        &self,
+        report_type: &str,
+        id: &str,
+        item_type: CommonItemType,
+        body: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri("/v2/report")
+            .append_pat(pat)
+            .set_json(json!(
+                {
+                    "report_type": report_type,
+                    "item_id": id,
+                    "item_type": item_type.as_str(),
+                    "body": body,
+                }
+            ))
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_report(&self, id: &str, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/report/{id}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_reports(
+        &self,
+        ids: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let ids_str = serde_json::to_string(ids).unwrap();
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v2/reports?ids={encoded}",
+                encoded = urlencoding::encode(&ids_str)
+            ))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_user_reports(&self, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri("/v2/report")
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn delete_report(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/report/{id}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn edit_report(
+        &self,
+        id: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/report/{id}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_thread(&self, id: &str, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v3/thread/{id}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_threads(
+        &self,
+        ids: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let ids_str = serde_json::to_string(ids).unwrap();
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v3/threads?ids={encoded}",
+                encoded = urlencoding::encode(&ids_str)
+            ))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn write_to_thread(
+        &self,
+        id: &str,
+        r#type: &str,
+        content: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri(&format!("/v2/thread/{id}"))
+            .append_pat(pat)
+            .set_json(json!({
+                "body" : {
+                    "type": r#type,
+                    "body": content,
+                }
+            }))
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_moderation_inbox(&self, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri("/v2/thread/inbox")
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn read_thread(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri(&format!("/v2/thread/{id}/read"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn delete_thread_message(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/message/{id}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    async fn add_gallery_item(
+        &self,
+        id_or_slug: &str,
+        image: ImageData,
+        featured: bool,
+        title: Option<String>,
+        description: Option<String>,
+        ordering: Option<i32>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let mut url = format!(
+            "/v2/project/{id_or_slug}/gallery?ext={ext}&featured={featured}",
+            ext = image.extension,
+            featured = featured
+        );
+        if let Some(title) = title {
+            write!(&mut url, "&title={title}").unwrap();
+        }
+        if let Some(description) = description {
+            write!(&mut url, "&description={description}").unwrap();
+        }
+        if let Some(ordering) = ordering {
+            write!(&mut url, "&ordering={ordering}").unwrap();
+        }
+
+        let req = test::TestRequest::post()
+            .uri(&url)
+            .append_pat(pat)
+            .set_payload(Bytes::from(image.icon))
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn edit_gallery_item(
+        &self,
+        id_or_slug: &str,
+        image_url: &str,
+        patch: HashMap<String, String>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let mut url = format!(
+            "/v2/project/{id_or_slug}/gallery?url={image_url}",
+            image_url = urlencoding::encode(image_url)
+        );
+
+        for (key, value) in patch {
+            write!(
+                &mut url,
+                "&{key}={value}",
+                value = urlencoding::encode(&value)
+            )
+            .unwrap();
+        }
+
+        let req = test::TestRequest::patch()
+            .uri(&url)
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn remove_gallery_item(
+        &self,
+        id_or_slug: &str,
+        url: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/project/{id_or_slug}/gallery?url={url}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+}

apps/labrinth/src/test/api_v2/request_data.rs

@@ -0,0 +1,132 @@
+use serde_json::json;
+
+use crate::models::ids::ProjectId;
+use crate::test::{
+    api_common::request_data::{
+        ProjectCreationRequestData, VersionCreationRequestData,
+    },
+    dummy_data::TestFile,
+};
+use crate::util::actix::{MultipartSegment, MultipartSegmentData};
+
+pub fn get_public_project_creation_data(
+    slug: &str,
+    version_jar: Option<TestFile>,
+    modify_json: Option<json_patch::Patch>,
+) -> ProjectCreationRequestData {
+    let mut json_data =
+        get_public_project_creation_data_json(slug, version_jar.as_ref());
+    if let Some(modify_json) = modify_json {
+        json_patch::patch(&mut json_data, &modify_json).unwrap();
+    }
+    let multipart_data =
+        get_public_creation_data_multipart(&json_data, version_jar.as_ref());
+    ProjectCreationRequestData {
+        slug: slug.to_string(),
+        jar: version_jar,
+        segment_data: multipart_data,
+    }
+}
+
+pub fn get_public_version_creation_data(
+    project_id: ProjectId,
+    version_number: &str,
+    version_jar: TestFile,
+    ordering: Option<i32>,
+    modify_json: Option<json_patch::Patch>,
+) -> VersionCreationRequestData {
+    let mut json_data = get_public_version_creation_data_json(
+        version_number,
+        ordering,
+        &version_jar,
+    );
+    json_data["project_id"] = json!(project_id);
+    if let Some(modify_json) = modify_json {
+        json_patch::patch(&mut json_data, &modify_json).unwrap();
+    }
+    let multipart_data =
+        get_public_creation_data_multipart(&json_data, Some(&version_jar));
+    VersionCreationRequestData {
+        version: version_number.to_string(),
+        jar: Some(version_jar),
+        segment_data: multipart_data,
+    }
+}
+
+pub fn get_public_version_creation_data_json(
+    version_number: &str,
+    ordering: Option<i32>,
+    version_jar: &TestFile,
+) -> serde_json::Value {
+    let mut j = json!({
+        "file_parts": [version_jar.filename()],
+        "version_number": version_number,
+        "version_title": "start",
+        "dependencies": [],
+        "game_versions": ["1.20.1"] ,
+        "release_channel": "release",
+        "loaders": ["fabric"],
+        "featured": true
+    });
+    if let Some(ordering) = ordering {
+        j["ordering"] = json!(ordering);
+    }
+    j
+}
+
+pub fn get_public_project_creation_data_json(
+    slug: &str,
+    version_jar: Option<&TestFile>,
+) -> serde_json::Value {
+    let initial_versions = if let Some(jar) = version_jar {
+        json!([get_public_version_creation_data_json("1.2.3", None, jar)])
+    } else {
+        json!([])
+    };
+
+    let is_draft = version_jar.is_none();
+    json!(
+        {
+            "title": format!("Test Project {slug}"),
+            "slug": slug,
+            "project_type": version_jar.as_ref().map_or("mod".to_string(), |f| f.project_type()),
+            "description": "A dummy project for testing with.",
+            "body": "This project is approved, and versions are listed.",
+            "client_side": "required",
+            "server_side": "optional",
+            "initial_versions": initial_versions,
+            "is_draft": is_draft,
+            "categories": [],
+            "license_id": "MIT",
+        }
+    )
+}
+
+pub fn get_public_creation_data_multipart(
+    json_data: &serde_json::Value,
+    version_jar: Option<&TestFile>,
+) -> Vec<MultipartSegment> {
+    // Basic json
+    let json_segment = MultipartSegment {
+        name: "data".to_string(),
+        filename: None,
+        content_type: Some("application/json".to_string()),
+        data: MultipartSegmentData::Text(
+            serde_json::to_string(json_data).unwrap(),
+        ),
+    };
+
+    if let Some(jar) = version_jar {
+        // Basic file
+        let file_segment = MultipartSegment {
+            name: jar.filename(),
+            filename: Some(jar.filename()),
+            content_type: Some("application/java-archive".to_string()),
+            data: MultipartSegmentData::Binary(jar.bytes()),
+        };
+
+        vec![json_segment, file_segment]
+    } else {
+        vec![json_segment]
+    }
+}

apps/labrinth/src/test/api_v2/tags.rs

@@ -0,0 +1,121 @@
+use crate::routes::v2::tags::{
+    CategoryData, DonationPlatformQueryData, GameVersionQueryData, LoaderData,
+};
+use actix_http::StatusCode;
+use actix_web::{
+    dev::ServiceResponse,
+    test::{self, TestRequest},
+};
+use async_trait::async_trait;
+
+use crate::test::asserts::assert_status;
+use crate::test::{
+    api_common::{
+        Api, ApiTags, AppendsOptionalPat,
+        models::{CommonCategoryData, CommonLoaderData},
+    },
+    database::ADMIN_USER_PAT,
+};
+
+use super::ApiV2;
+
+impl ApiV2 {
+    async fn get_side_types(&self) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri("/v2/tag/side_type")
+            .append_pat(ADMIN_USER_PAT)
+            .to_request();
+        self.call(req).await
+    }
+
+    pub async fn get_side_types_deserialized(&self) -> Vec<String> {
+        let resp = self.get_side_types().await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_game_versions(&self) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri("/v2/tag/game_version")
+            .append_pat(ADMIN_USER_PAT)
+            .to_request();
+        self.call(req).await
+    }
+
+    pub async fn get_game_versions_deserialized(
+        &self,
+    ) -> Vec<GameVersionQueryData> {
+        let resp = self.get_game_versions().await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_loaders_deserialized(&self) -> Vec<LoaderData> {
+        let resp = self.get_loaders().await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_categories_deserialized(&self) -> Vec<CategoryData> {
+        let resp = self.get_categories().await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_donation_platforms(&self) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri("/v2/tag/donation_platform")
+            .append_pat(ADMIN_USER_PAT)
+            .to_request();
+        self.call(req).await
+    }
+
+    pub async fn get_donation_platforms_deserialized(
+        &self,
+    ) -> Vec<DonationPlatformQueryData> {
+        let resp = self.get_donation_platforms().await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+}
+
+#[async_trait(?Send)]
+impl ApiTags for ApiV2 {
+    async fn get_loaders(&self) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri("/v2/tag/loader")
+            .append_pat(ADMIN_USER_PAT)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_loaders_deserialized_common(&self) -> Vec<CommonLoaderData> {
+        let resp = self.get_loaders().await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LoaderData> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_categories(&self) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri("/v2/tag/category")
+            .append_pat(ADMIN_USER_PAT)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_categories_deserialized_common(
+        &self,
+    ) -> Vec<CommonCategoryData> {
+        let resp = self.get_categories().await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<CategoryData> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+}

apps/labrinth/src/test/api_v2/team.rs

@@ -0,0 +1,331 @@
+use crate::models::{
+    teams::{OrganizationPermissions, ProjectPermissions},
+    v2::{notifications::LegacyNotification, teams::LegacyTeamMember},
+};
+use actix_http::StatusCode;
+use actix_web::{dev::ServiceResponse, test};
+use async_trait::async_trait;
+use serde_json::json;
+
+use crate::test::api_common::{
+    Api, ApiTeams, AppendsOptionalPat,
+    models::{CommonNotification, CommonTeamMember},
+};
+use crate::test::asserts::assert_status;
+
+use super::ApiV2;
+
+impl ApiV2 {
+    pub async fn get_organization_members_deserialized(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> Vec<LegacyTeamMember> {
+        let resp = self.get_organization_members(id_or_title, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_team_members_deserialized(
+        &self,
+        team_id: &str,
+        pat: Option<&str>,
+    ) -> Vec<LegacyTeamMember> {
+        let resp = self.get_team_members(team_id, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_user_notifications_deserialized(
+        &self,
+        user_id: &str,
+        pat: Option<&str>,
+    ) -> Vec<LegacyNotification> {
+        let resp = self.get_user_notifications(user_id, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+}
+
+#[async_trait(?Send)]
+impl ApiTeams for ApiV2 {
+    async fn get_team_members(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/team/{id_or_title}/members"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_team_members_deserialized_common(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> Vec<CommonTeamMember> {
+        let resp = self.get_team_members(id_or_title, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyTeamMember> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_teams_members(
+        &self,
+        ids_or_titles: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let ids_or_titles = serde_json::to_string(ids_or_titles).unwrap();
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v2/teams?ids={}",
+                urlencoding::encode(&ids_or_titles)
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_project_members(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/project/{id_or_title}/members"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_project_members_deserialized_common(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> Vec<CommonTeamMember> {
+        let resp = self.get_project_members(id_or_title, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyTeamMember> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_organization_members(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/organization/{id_or_title}/members"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_organization_members_deserialized_common(
+        &self,
+        id_or_title: &str,
+        pat: Option<&str>,
+    ) -> Vec<CommonTeamMember> {
+        let resp = self.get_organization_members(id_or_title, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyTeamMember> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn join_team(
+        &self,
+        team_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri(&format!("/v2/team/{team_id}/join"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn remove_from_team(
+        &self,
+        team_id: &str,
+        user_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/team/{team_id}/members/{user_id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn edit_team_member(
+        &self,
+        team_id: &str,
+        user_id: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/team/{team_id}/members/{user_id}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn transfer_team_ownership(
+        &self,
+        team_id: &str,
+        user_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/team/{team_id}/owner"))
+            .append_pat(pat)
+            .set_json(json!({
+                "user_id": user_id,
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_user_notifications(
+        &self,
+        user_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/user/{user_id}/notifications"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_user_notifications_deserialized_common(
+        &self,
+        user_id: &str,
+        pat: Option<&str>,
+    ) -> Vec<CommonNotification> {
+        let resp = self.get_user_notifications(user_id, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyNotification> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_notification(
+        &self,
+        notification_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/notification/{notification_id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_notifications(
+        &self,
+        notification_ids: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let notification_ids = serde_json::to_string(notification_ids).unwrap();
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v2/notifications?ids={}",
+                urlencoding::encode(&notification_ids)
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn mark_notification_read(
+        &self,
+        notification_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/notification/{notification_id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn mark_notifications_read(
+        &self,
+        notification_ids: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let notification_ids = serde_json::to_string(notification_ids).unwrap();
+        let req = test::TestRequest::patch()
+            .uri(&format!(
+                "/v2/notifications?ids={}",
+                urlencoding::encode(&notification_ids)
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn add_user_to_team(
+        &self,
+        team_id: &str,
+        user_id: &str,
+        project_permissions: Option<ProjectPermissions>,
+        organization_permissions: Option<OrganizationPermissions>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri(&format!("/v2/team/{team_id}/members"))
+            .append_pat(pat)
+            .set_json(json!( {
+                "user_id": user_id,
+                "permissions" : project_permissions.map(|p| p.bits()).unwrap_or_default(),
+                "organization_permissions" : organization_permissions.map(|p| p.bits()),
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn delete_notification(
+        &self,
+        notification_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/notification/{notification_id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn delete_notifications(
+        &self,
+        notification_ids: &[&str],
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let notification_ids = serde_json::to_string(notification_ids).unwrap();
+        let req = test::TestRequest::delete()
+            .uri(&format!(
+                "/v2/notifications?ids={}",
+                urlencoding::encode(&notification_ids)
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+}

apps/labrinth/src/test/api_v2/user.rs

@@ -0,0 +1,55 @@
+use super::ApiV2;
+use crate::test::api_common::{Api, ApiUser, AppendsOptionalPat};
+use actix_web::{dev::ServiceResponse, test};
+use async_trait::async_trait;
+
+#[async_trait(?Send)]
+impl ApiUser for ApiV2 {
+    async fn get_user(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_current_user(&self, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri("/v2/user")
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn edit_user(
+        &self,
+        user_id_or_username: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn delete_user(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+}

apps/labrinth/src/test/api_v2/version.rs

@@ -0,0 +1,545 @@
+use std::collections::HashMap;
+use std::fmt::Write;
+
+use super::{
+    ApiV2,
+    request_data::{self, get_public_version_creation_data},
+};
+use crate::models::ids::ProjectId;
+use crate::test::asserts::assert_status;
+use crate::test::{
+    api_common::{Api, ApiVersion, AppendsOptionalPat, models::CommonVersion},
+    dummy_data::TestFile,
+};
+use crate::{
+    models::{projects::VersionType, v2::projects::LegacyVersion},
+    routes::v2::version_file::FileUpdateData,
+    util::actix::AppendsMultipart,
+};
+use actix_http::StatusCode;
+use actix_web::{
+    dev::ServiceResponse,
+    test::{self, TestRequest},
+};
+use async_trait::async_trait;
+use serde_json::json;
+
+pub fn url_encode_json_serialized_vec(elements: &[String]) -> String {
+    let serialized = serde_json::to_string(&elements).unwrap();
+    urlencoding::encode(&serialized).to_string()
+}
+
+impl ApiV2 {
+    pub async fn get_version_deserialized(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> LegacyVersion {
+        let resp = self.get_version(id, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_version_from_hash_deserialized(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> LegacyVersion {
+        let resp = self.get_version_from_hash(hash, algorithm, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn get_versions_from_hashes_deserialized(
+        &self,
+        hashes: &[&str],
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> HashMap<String, LegacyVersion> {
+        let resp = self.get_versions_from_hashes(hashes, algorithm, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+
+    pub async fn update_individual_files(
+        &self,
+        algorithm: &str,
+        hashes: Vec<FileUpdateData>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri("/v2/version_files/update_individual")
+            .append_pat(pat)
+            .set_json(json!({
+                "algorithm": algorithm,
+                "hashes": hashes
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    pub async fn update_individual_files_deserialized(
+        &self,
+        algorithm: &str,
+        hashes: Vec<FileUpdateData>,
+        pat: Option<&str>,
+    ) -> HashMap<String, LegacyVersion> {
+        let resp = self.update_individual_files(algorithm, hashes, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        test::read_body_json(resp).await
+    }
+}
+
+#[async_trait(?Send)]
+impl ApiVersion for ApiV2 {
+    async fn add_public_version(
+        &self,
+        project_id: ProjectId,
+        version_number: &str,
+        version_jar: TestFile,
+        ordering: Option<i32>,
+        modify_json: Option<json_patch::Patch>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let creation_data = get_public_version_creation_data(
+            project_id,
+            version_number,
+            version_jar,
+            ordering,
+            modify_json,
+        );
+
+        // Add a project.
+        let req = TestRequest::post()
+            .uri("/v2/version")
+            .append_pat(pat)
+            .set_multipart(creation_data.segment_data)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn add_public_version_deserialized_common(
+        &self,
+        project_id: ProjectId,
+        version_number: &str,
+        version_jar: TestFile,
+        ordering: Option<i32>,
+        modify_json: Option<json_patch::Patch>,
+        pat: Option<&str>,
+    ) -> CommonVersion {
+        let resp = self
+            .add_public_version(
+                project_id,
+                version_number,
+                version_jar,
+                ordering,
+                modify_json,
+                pat,
+            )
+            .await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: LegacyVersion = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_version(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = TestRequest::get()
+            .uri(&format!("/v2/version/{id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_version_deserialized_common(
+        &self,
+        id: &str,
+        pat: Option<&str>,
+    ) -> CommonVersion {
+        let resp = self.get_version(id, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: LegacyVersion = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn download_version_redirect(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/version_file/{hash}/download",))
+            .set_json(json!({
+                "algorithm": algorithm,
+            }))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn edit_version(
+        &self,
+        version_id: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/version/{version_id}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn get_version_from_hash(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/version_file/{hash}?algorithm={algorithm}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_version_from_hash_deserialized_common(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> CommonVersion {
+        let resp = self.get_version_from_hash(hash, algorithm, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: LegacyVersion = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_versions_from_hashes(
+        &self,
+        hashes: &[&str],
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = TestRequest::post()
+            .uri("/v2/version_files")
+            .append_pat(pat)
+            .set_json(json!({
+                "hashes": hashes,
+                "algorithm": algorithm,
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_versions_from_hashes_deserialized_common(
+        &self,
+        hashes: &[&str],
+        algorithm: &str,
+        pat: Option<&str>,
+    ) -> HashMap<String, CommonVersion> {
+        let resp = self.get_versions_from_hashes(hashes, algorithm, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: HashMap<String, LegacyVersion> =
+            test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn get_update_from_hash(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        loaders: Option<Vec<String>>,
+        game_versions: Option<Vec<String>>,
+        version_types: Option<Vec<String>>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri(&format!(
+                "/v2/version_file/{hash}/update?algorithm={algorithm}"
+            ))
+            .append_pat(pat)
+            .set_json(json!({
+                "loaders": loaders,
+                "game_versions": game_versions,
+                "version_types": version_types,
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_update_from_hash_deserialized_common(
+        &self,
+        hash: &str,
+        algorithm: &str,
+        loaders: Option<Vec<String>>,
+        game_versions: Option<Vec<String>>,
+        version_types: Option<Vec<String>>,
+        pat: Option<&str>,
+    ) -> CommonVersion {
+        let resp = self
+            .get_update_from_hash(
+                hash,
+                algorithm,
+                loaders,
+                game_versions,
+                version_types,
+                pat,
+            )
+            .await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: LegacyVersion = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn update_files(
+        &self,
+        algorithm: &str,
+        hashes: Vec<String>,
+        loaders: Option<Vec<String>>,
+        game_versions: Option<Vec<String>>,
+        version_types: Option<Vec<String>>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::post()
+            .uri("/v2/version_files/update")
+            .append_pat(pat)
+            .set_json(json!({
+                "algorithm": algorithm,
+                "hashes": hashes,
+                "loaders": loaders,
+                "game_versions": game_versions,
+                "version_types": version_types,
+            }))
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn update_files_deserialized_common(
+        &self,
+        algorithm: &str,
+        hashes: Vec<String>,
+        loaders: Option<Vec<String>>,
+        game_versions: Option<Vec<String>>,
+        version_types: Option<Vec<String>>,
+        pat: Option<&str>,
+    ) -> HashMap<String, CommonVersion> {
+        let resp = self
+            .update_files(
+                algorithm,
+                hashes,
+                loaders,
+                game_versions,
+                version_types,
+                pat,
+            )
+            .await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: HashMap<String, LegacyVersion> =
+            test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    // TODO: Not all fields are tested currently in the V2 tests, only the v2-v3 relevant ones are
+    #[allow(clippy::too_many_arguments)]
+    async fn get_project_versions(
+        &self,
+        project_id_slug: &str,
+        game_versions: Option<Vec<String>>,
+        loaders: Option<Vec<String>>,
+        featured: Option<bool>,
+        version_type: Option<VersionType>,
+        limit: Option<usize>,
+        offset: Option<usize>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let mut query_string = String::new();
+        if let Some(game_versions) = game_versions {
+            write!(
+                &mut query_string,
+                "&game_versions={}",
+                urlencoding::encode(
+                    &serde_json::to_string(&game_versions).unwrap()
+                )
+            )
+            .unwrap();
+        }
+        if let Some(loaders) = loaders {
+            write!(
+                &mut query_string,
+                "&loaders={}",
+                urlencoding::encode(&serde_json::to_string(&loaders).unwrap())
+            )
+            .unwrap();
+        }
+        if let Some(featured) = featured {
+            write!(&mut query_string, "&featured={featured}").unwrap();
+        }
+        if let Some(version_type) = version_type {
+            write!(&mut query_string, "&version_type={version_type}").unwrap();
+        }
+        if let Some(limit) = limit {
+            let limit = limit.to_string();
+            write!(&mut query_string, "&limit={limit}").unwrap();
+        }
+        if let Some(offset) = offset {
+            let offset = offset.to_string();
+            write!(&mut query_string, "&offset={offset}").unwrap();
+        }
+
+        let req = test::TestRequest::get()
+            .uri(&format!(
+                "/v2/project/{project_id_slug}/version?{}",
+                query_string.trim_start_matches('&')
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    async fn get_project_versions_deserialized_common(
+        &self,
+        slug: &str,
+        game_versions: Option<Vec<String>>,
+        loaders: Option<Vec<String>>,
+        featured: Option<bool>,
+        version_type: Option<VersionType>,
+        limit: Option<usize>,
+        offset: Option<usize>,
+        pat: Option<&str>,
+    ) -> Vec<CommonVersion> {
+        let resp = self
+            .get_project_versions(
+                slug,
+                game_versions,
+                loaders,
+                featured,
+                version_type,
+                limit,
+                offset,
+                pat,
+            )
+            .await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyVersion> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn edit_version_ordering(
+        &self,
+        version_id: &str,
+        ordering: Option<i32>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let request = test::TestRequest::patch()
+            .uri(&format!("/v2/version/{version_id}"))
+            .set_json(json!(
+                {
+                    "ordering": ordering
+                }
+            ))
+            .append_pat(pat)
+            .to_request();
+        self.call(request).await
+    }
+
+    async fn get_versions(
+        &self,
+        version_ids: Vec<String>,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let ids = url_encode_json_serialized_vec(&version_ids);
+        let request = test::TestRequest::get()
+            .uri(&format!("/v2/versions?ids={ids}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(request).await
+    }
+
+    async fn get_versions_deserialized_common(
+        &self,
+        version_ids: Vec<String>,
+        pat: Option<&str>,
+    ) -> Vec<CommonVersion> {
+        let resp = self.get_versions(version_ids, pat).await;
+        assert_status!(&resp, StatusCode::OK);
+        // First, deserialize to the non-common format (to test the response is valid for this api version)
+        let v: Vec<LegacyVersion> = test::read_body_json(resp).await;
+        // Then, deserialize to the common format
+        let value = serde_json::to_value(v).unwrap();
+        serde_json::from_value(value).unwrap()
+    }
+
+    async fn upload_file_to_version(
+        &self,
+        version_id: &str,
+        file: &TestFile,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let m = request_data::get_public_creation_data_multipart(
+            &json!({
+                "file_parts": [file.filename()]
+            }),
+            Some(file),
+        );
+        let request = test::TestRequest::post()
+            .uri(&format!("/v2/version/{version_id}/file"))
+            .append_pat(pat)
+            .set_multipart(m)
+            .to_request();
+        self.call(request).await
+    }
+
+    async fn remove_version(
+        &self,
+        version_id: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let request = test::TestRequest::delete()
+            .uri(&format!("/v2/version/{version_id}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(request).await
+    }
+
+    async fn remove_version_file(
+        &self,
+        hash: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let request = test::TestRequest::delete()
+            .uri(&format!("/v2/version_file/{hash}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(request).await
+    }
+}