Add a unit test for component-updates

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

__tests__/component-updates.test.js

@@ -0,0 +1,65 @@
+const {
+    guessComponentUpdateDetails,
+    guessReleaseNotes
+} = require('../GitForWindowsHelper/component-updates')
+
+const bashTicketBody = `# [New bash version] Bash-5.2 patch 15: fix too-aggressive optimizing forks out of subshell commands
+
+<div type="text"/>
+
+https://git.savannah.gnu.org/cgit/bash.git/commit/?id=ec8113b9861375e4e17b3307372569d429dec814
+
+# [New bash version] Bash-5.2 patch 14: process additional terminating signals when running the EXIT trap after a terminating signal
+
+<div type="text"/>
+
+https://git.savannah.gnu.org/cgit/bash.git/commit/?id=6647917a43dd987c5564cc20d0943213b39e748b
+
+# [New bash version] Bash-5.2 patch 13: fix memory leak referencing a nonexistent associative array element
+
+<div type="text"/>
+
+https://git.savannah.gnu.org/cgit/bash.git/commit/?id=52f2cda1a2156c8532f2f49391470cf2f66a1bd0`
+
+test('guessComponentUpdateDetails()', () => {
+    const titles = [
+        ['[New cygwin version] cygwin-3.4.4', 'msys2-runtime', '3.4.4'],
+        ['[New libcbor version] v0.10.2', 'libcbor', '0.10.2'],
+        ['[New openssl version] OpenSSL 1.1.1s', 'openssl', '1.1.1s'],
+        ['[New openssh version] V_9_2_P1', 'openssh', '9.2.P1'],
+        ['[New tig version] tig-2.5.8', 'tig', '2.5.8'],
+        ['[New curl version] 7.87.0', 'curl', '7.87.0'],
+        ['[New mintty version] 3.6.3', 'mintty', '3.6.3'],
+        ['[New pcre2 version] PCRE2-10.42', 'pcre2', '10.42'],
+        ['[New git-lfs version] v3.3.0', 'mingw-w64-git-lfs', '3.3.0'],
+        ['[New heimdal version] Heimdal 7.7.1 - Security Fix Release', 'heimdal', '7.7.1']
+    ]
+    for (const [title, package_name, version] of titles) {
+        expect(guessComponentUpdateDetails(title)).toEqual({ package_name, version })
+    }
+
+    expect(guessComponentUpdateDetails('[New bash version] 3 new items', bashTicketBody)).toEqual({
+        package_name: 'bash',
+        version: '5.2.15'
+    })
+})
+
+let mockGithubApiRequest = jest.fn(() => {
+    return {
+    }
+})
+jest.mock('../GitForWindowsHelper/github-api-request', () => {
+    return mockGithubApiRequest
+})
+
+test('guessReleaseNotes()', async () => {
+    const context = { log: jest.fn() }
+    expect(await guessReleaseNotes(context, {
+        labels: [{ name: 'component-update' }],
+        title: '[New bash version] 3 new items',
+        body: bashTicketBody
+    })).toEqual({
+        type: 'feature',
+        message: 'Comes with [Bash v5.2.15](https://git.savannah.gnu.org/cgit/bash.git/commit/?id=ec8113b9861375e4e17b3307372569d429dec814).'
+    })
+})