Untuck tests out of __tests__ directories, colocate with program files

src/utils/features.test.ts

@@ -0,0 +1,161 @@
+import { buildInstance } from 'soapbox/jest/factory';
+
+import {
+  parseVersion,
+  getFeatures,
+} from './features';
+
+describe('parseVersion', () => {
+  it('with Pleroma version string', () => {
+    const version = '2.7.2 (compatible; Pleroma 2.0.5-6-ga36eb5ea-plerasstodon+dev)';
+    expect(parseVersion(version)).toEqual({
+      software: 'Pleroma',
+      version: '2.0.5-6-ga36eb5ea-plerasstodon',
+      compatVersion: '2.7.2',
+      build: 'dev',
+    });
+  });
+
+  it('with Mastodon version string', () => {
+    const version = '3.0.0';
+    expect(parseVersion(version)).toEqual({
+      software: 'Mastodon',
+      version: '3.0.0',
+      compatVersion: '3.0.0',
+    });
+  });
+
+  it('with a Pixelfed version string', () => {
+    const version = '2.7.2 (compatible; Pixelfed 0.11.2)';
+    expect(parseVersion(version)).toEqual({
+      software: 'Pixelfed',
+      version: '0.11.2',
+      compatVersion: '2.7.2',
+    });
+  });
+
+  it('with a Truth Social version string', () => {
+    const version = '3.4.1 (compatible; TruthSocial 1.0.0)';
+    expect(parseVersion(version)).toEqual({
+      software: 'TruthSocial',
+      version: '1.0.0',
+      compatVersion: '3.4.1',
+    });
+  });
+
+  it('with a Mastodon fork', () => {
+    const version = '3.5.1+glitch';
+    expect(parseVersion(version)).toEqual({
+      software: 'Mastodon',
+      version: '3.5.1',
+      compatVersion: '3.5.1',
+      build: 'glitch',
+    });
+  });
+
+  it('with a Pleroma fork', () => {
+    const version = '2.7.2 (compatible; Pleroma 2.4.2+cofe)';
+    expect(parseVersion(version)).toEqual({
+      software: 'Pleroma',
+      version: '2.4.2',
+      compatVersion: '2.7.2',
+      build: 'cofe',
+    });
+  });
+
+  it('with Mastodon nightly build', () => {
+    const version = '4.1.2+nightly-20230627';
+    expect(parseVersion(version)).toEqual({
+      software: 'Mastodon',
+      version: '4.1.2',
+      compatVersion: '4.1.2',
+      build: 'nightly-20230627',
+    });
+  });
+});
+
+describe('getFeatures', () => {
+  describe('emojiReacts', () => {
+    it('is true for Pleroma 2.0+', () => {
+      const instance = buildInstance({
+        version: '2.7.2 (compatible; Pleroma 2.0.5-6-ga36eb5ea-plerasstodon+dev)',
+      });
+      const features = getFeatures(instance);
+      expect(features.emojiReacts).toBe(true);
+    });
+
+    it('is false for Pleroma < 2.0', () => {
+      const instance = buildInstance({
+        version: '2.7.2 (compatible; Pleroma 1.1.50-42-g3d9ac6ae-develop)',
+      });
+      const features = getFeatures(instance);
+      expect(features.emojiReacts).toBe(false);
+    });
+
+    it('is false for Mastodon', () => {
+      const instance = buildInstance({ version: '3.1.4' });
+      const features = getFeatures(instance);
+      expect(features.emojiReacts).toBe(false);
+    });
+  });
+
+  describe('suggestions', () => {
+    it('is true for Mastodon 2.4.3+', () => {
+      const instance = buildInstance({ version: '2.4.3' });
+      const features = getFeatures(instance);
+      expect(features.suggestions).toBe(true);
+    });
+
+    it('is false for Mastodon < 2.4.3', () => {
+      const instance = buildInstance({ version: '2.4.2' });
+      const features = getFeatures(instance);
+      expect(features.suggestions).toBe(false);
+    });
+
+    it('is false for Pleroma', () => {
+      const instance = buildInstance({
+        version: '2.7.2 (compatible; Pleroma 1.1.50-42-g3d9ac6ae-develop)',
+      });
+      const features = getFeatures(instance);
+      expect(features.suggestions).toBe(false);
+    });
+  });
+
+  describe('trends', () => {
+    it('is true for Mastodon 3.0.0+', () => {
+      const instance = buildInstance({ version: '3.0.0' });
+      const features = getFeatures(instance);
+      expect(features.trends).toBe(true);
+    });
+
+    it('is false for Mastodon < 3.0.0', () => {
+      const instance = buildInstance({ version: '2.4.3' });
+      const features = getFeatures(instance);
+      expect(features.trends).toBe(false);
+    });
+
+    it('is false for Pleroma', () => {
+      const instance = buildInstance({
+        version: '2.7.2 (compatible; Pleroma 1.1.50-42-g3d9ac6ae-develop)',
+      });
+      const features = getFeatures(instance);
+      expect(features.trends).toBe(false);
+    });
+  });
+
+  describe('focalPoint', () => {
+    it('is true for Mastodon 2.3.0+', () => {
+      const instance = buildInstance({ version: '2.3.0' });
+      const features = getFeatures(instance);
+      expect(features.focalPoint).toBe(true);
+    });
+
+    it('is false for Pleroma', () => {
+      const instance = buildInstance({
+        version: '2.7.2 (compatible; Pleroma 1.1.50-42-g3d9ac6ae-develop)',
+      });
+      const features = getFeatures(instance);
+      expect(features.focalPoint).toBe(false);
+    });
+  });
+});