actions/setup-go v5 (local mirror)

2026-06-22 13:07:03 +09:00
commit 3e78b7a158
130 changed files with 212928 additions and 0 deletions
@@ -0,0 +1,992 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
+import fs from 'fs';
+import cp from 'child_process';
+import osm, {type} from 'os';
+import path from 'path';
+import * as main from '../src/main';
+import * as im from '../src/installer';
+import * as httpm from '@actions/http-client';
+
+import goJsonData from './data/golang-dl.json';
+import matchers from '../matchers.json';
+import goTestManifest from './data/versions-manifest.json';
+const matcherPattern = matchers.problemMatcher[0].pattern[0];
+const matcherRegExp = new RegExp(matcherPattern.regexp);
+const win32Join = path.win32.join;
+const posixJoin = path.posix.join;
+
+jest.setTimeout(10000);
+
+describe('setup-go', () => {
+  let inputs = {} as any;
+  let os = {} as any;
+
+  let inSpy: jest.SpyInstance;
+  let getBooleanInputSpy: jest.SpyInstance;
+  let exportVarSpy: jest.SpyInstance;
+  let findSpy: jest.SpyInstance;
+  let cnSpy: jest.SpyInstance;
+  let logSpy: jest.SpyInstance;
+  let getSpy: jest.SpyInstance;
+  let platSpy: jest.SpyInstance;
+  let archSpy: jest.SpyInstance;
+  let joinSpy: jest.SpyInstance;
+  let dlSpy: jest.SpyInstance;
+  let extractTarSpy: jest.SpyInstance;
+  let extractZipSpy: jest.SpyInstance;
+  let cacheSpy: jest.SpyInstance;
+  let dbgSpy: jest.SpyInstance;
+  let whichSpy: jest.SpyInstance;
+  let existsSpy: jest.SpyInstance;
+  let readFileSpy: jest.SpyInstance;
+  let mkdirpSpy: jest.SpyInstance;
+  let mkdirSpy: jest.SpyInstance;
+  let symlinkSpy: jest.SpyInstance;
+  let execSpy: jest.SpyInstance;
+  let getManifestSpy: jest.SpyInstance;
+  let getAllVersionsSpy: jest.SpyInstance;
+  let httpmGetJsonSpy: jest.SpyInstance;
+
+  beforeAll(async () => {
+    process.env['GITHUB_ENV'] = ''; // Stub out Environment file functionality so we can verify it writes to standard out (toolkit is backwards compatible)
+  }, 100000);
+
+  beforeEach(() => {
+    process.env['GITHUB_PATH'] = ''; // Stub out ENV file functionality so we can verify it writes to standard out
+
+    // @actions/core
+    inputs = {};
+    inSpy = jest.spyOn(core, 'getInput');
+    inSpy.mockImplementation(name => inputs[name]);
+    getBooleanInputSpy = jest.spyOn(core, 'getBooleanInput');
+    getBooleanInputSpy.mockImplementation(name => inputs[name]);
+    exportVarSpy = jest.spyOn(core, 'exportVariable');
+
+    // node
+    os = {};
+    platSpy = jest.spyOn(osm, 'platform');
+    platSpy.mockImplementation(() => os['platform']);
+    archSpy = jest.spyOn(osm, 'arch');
+    archSpy.mockImplementation(() => os['arch']);
+    execSpy = jest.spyOn(cp, 'execSync');
+
+    // switch path join behaviour based on set os.platform
+    joinSpy = jest.spyOn(path, 'join');
+    joinSpy.mockImplementation((...paths: string[]): string => {
+      if (os['platform'] == 'win32') {
+        return win32Join(...paths);
+      }
+
+      return posixJoin(...paths);
+    });
+
+    // @actions/tool-cache
+    findSpy = jest.spyOn(tc, 'find');
+    dlSpy = jest.spyOn(tc, 'downloadTool');
+    extractTarSpy = jest.spyOn(tc, 'extractTar');
+    extractZipSpy = jest.spyOn(tc, 'extractZip');
+    cacheSpy = jest.spyOn(tc, 'cacheDir');
+    getSpy = jest.spyOn(im, 'getVersionsDist');
+    getManifestSpy = jest.spyOn(tc, 'getManifestFromRepo');
+    getAllVersionsSpy = jest.spyOn(im, 'getManifest');
+
+    // httm
+    httpmGetJsonSpy = jest.spyOn(httpm.HttpClient.prototype, 'getJson');
+
+    // io
+    whichSpy = jest.spyOn(io, 'which');
+    existsSpy = jest.spyOn(fs, 'existsSync');
+    readFileSpy = jest.spyOn(fs, 'readFileSync');
+    mkdirpSpy = jest.spyOn(io, 'mkdirP');
+
+    // fs
+    mkdirSpy = jest.spyOn(fs, 'mkdir');
+    symlinkSpy = jest.spyOn(fs, 'symlinkSync');
+    symlinkSpy.mockImplementation(() => {});
+
+    // gets
+    getManifestSpy.mockImplementation(() => <tc.IToolRelease[]>goTestManifest);
+
+    // writes
+    cnSpy = jest.spyOn(process.stdout, 'write');
+    logSpy = jest.spyOn(core, 'info');
+    dbgSpy = jest.spyOn(core, 'debug');
+    getSpy.mockImplementation(() => <im.IGoVersion[] | null>goJsonData);
+    cnSpy.mockImplementation(line => {
+      // uncomment to debug
+      // process.stderr.write('write:' + line + '\n');
+    });
+    logSpy.mockImplementation(line => {
+      // uncomment to debug
+      //process.stderr.write('log:' + line + '\n');
+    });
+    dbgSpy.mockImplementation(msg => {
+      // uncomment to see debug output
+      // process.stderr.write(msg + '\n');
+    });
+  });
+
+  afterEach(() => {
+    //jest.resetAllMocks();
+    jest.clearAllMocks();
+    //jest.restoreAllMocks();
+  });
+
+  afterAll(async () => {
+    jest.restoreAllMocks();
+  }, 100000);
+
+  it('can extract the major.minor.patch version from a given Go version string', async () => {
+    const goVersionOutput = 'go version go1.16.6 darwin/amd64';
+    expect(main.parseGoVersion(goVersionOutput)).toBe('1.16.6');
+  });
+
+  it('can find 1.9.7 from manifest on osx', async () => {
+    os.platform = 'darwin';
+    os.arch = 'x64';
+
+    const match = await im.getInfoFromManifest('1.9.7', true, 'mocktoken');
+    expect(match).toBeDefined();
+    expect(match!.resolvedVersion).toBe('1.9.7');
+    expect(match!.type).toBe('manifest');
+    expect(match!.downloadUrl).toBe(
+      'https://github.com/actions/go-versions/releases/download/1.9.7/go-1.9.7-darwin-x64.tar.gz'
+    );
+  });
+
+  it('should return manifest from repo', async () => {
+    const manifest = await im.getManifest(undefined);
+    expect(manifest).toEqual(goTestManifest);
+  });
+
+  it('should return manifest from raw URL if repo fetch fails', async () => {
+    getManifestSpy.mockRejectedValue(new Error('Fetch failed'));
+    httpmGetJsonSpy.mockResolvedValue({
+      result: goTestManifest
+    });
+    const manifest = await im.getManifest(undefined);
+    expect(httpmGetJsonSpy).toHaveBeenCalled();
+    expect(manifest).toEqual(goTestManifest);
+  });
+
+  it('can find 1.9 from manifest on linux', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    const match = await im.getInfoFromManifest('1.9.7', true, 'mocktoken');
+    expect(match).toBeDefined();
+    expect(match!.resolvedVersion).toBe('1.9.7');
+    expect(match!.type).toBe('manifest');
+    expect(match!.downloadUrl).toBe(
+      'https://github.com/actions/go-versions/releases/download/1.9.7/go-1.9.7-linux-x64.tar.gz'
+    );
+  });
+
+  it('can find 1.9 from manifest on windows', async () => {
+    os.platform = 'win32';
+    os.arch = 'x64';
+
+    const match = await im.getInfoFromManifest('1.9.7', true, 'mocktoken');
+    expect(match).toBeDefined();
+    expect(match!.resolvedVersion).toBe('1.9.7');
+    expect(match!.type).toBe('manifest');
+    expect(match!.downloadUrl).toBe(
+      'https://github.com/actions/go-versions/releases/download/1.9.7/go-1.9.7-win32-x64.zip'
+    );
+  });
+
+  it('finds stable match for exact dot zero version', async () => {
+    os.platform = 'darwin';
+    os.arch = 'x64';
+
+    // spec: 1.13.0 => 1.13
+    const match: im.IGoVersion | undefined = await im.findMatch('1.13.0');
+    expect(match).toBeDefined();
+    const version: string = match ? match.version : '';
+    expect(version).toBe('go1.13');
+    const fileName = match ? match.files[0].filename : '';
+    expect(fileName).toBe('go1.13.darwin-amd64.tar.gz');
+  });
+
+  it('finds latest patch version for minor version spec', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // spec: 1.13 => 1.13.7 (latest)
+    const match: im.IGoVersion | undefined = await im.findMatch('1.13');
+    expect(match).toBeDefined();
+    const version: string = match ? match.version : '';
+    expect(version).toBe('go1.13.7');
+    const fileName = match ? match.files[0].filename : '';
+    expect(fileName).toBe('go1.13.7.linux-amd64.tar.gz');
+  });
+
+  it('finds latest patch version for caret version spec', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // spec: ^1.13.6 => 1.13.7
+    const match: im.IGoVersion | undefined = await im.findMatch('^1.13.6');
+    expect(match).toBeDefined();
+    const version: string = match ? match.version : '';
+    expect(version).toBe('go1.13.7');
+    const fileName = match ? match.files[0].filename : '';
+    expect(fileName).toBe('go1.13.7.linux-amd64.tar.gz');
+  });
+
+  it('finds latest version for major version spec', async () => {
+    os.platform = 'win32';
+    os.arch = 'x32';
+
+    // spec: 1 => 1.13.7 (latest)
+    const match: im.IGoVersion | undefined = await im.findMatch('1');
+    expect(match).toBeDefined();
+    const version: string = match ? match.version : '';
+    expect(version).toBe('go1.13.7');
+    const fileName = match ? match.files[0].filename : '';
+    expect(fileName).toBe('go1.13.7.windows-386.zip');
+  });
+
+  it('finds unstable pre-release version', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    // spec: 1.14, stable=false => go1.14rc1
+    const match: im.IGoVersion | undefined = await im.findMatch('1.14.0-rc.1');
+    expect(match).toBeDefined();
+    const version: string = match ? match.version : '';
+    expect(version).toBe('go1.14rc1');
+    const fileName = match ? match.files[0].filename : '';
+    expect(fileName).toBe('go1.14rc1.linux-amd64.tar.gz');
+  });
+
+  it('evaluates to stable with input as true', async () => {
+    inputs['go-version'] = '1.13.0';
+    inputs.stable = 'true';
+
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    expect(logSpy).toHaveBeenCalledWith(`Setup go version spec 1.13.0`);
+  });
+
+  it('evaluates to stable with no input', async () => {
+    inputs['go-version'] = '1.13.0';
+
+    inSpy.mockImplementation(name => inputs[name]);
+
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    expect(logSpy).toHaveBeenCalledWith(`Setup go version spec 1.13.0`);
+  });
+
+  it('does not export any variables for Go versions >=1.9', async () => {
+    inputs['go-version'] = '1.13.0';
+    inSpy.mockImplementation(name => inputs[name]);
+
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+
+    const vars: {[key: string]: string} = {};
+    exportVarSpy.mockImplementation((name: string, val: string) => {
+      vars[name] = val;
+    });
+
+    await main.run();
+    expect(vars).toStrictEqual({});
+  });
+
+  it('exports GOROOT for Go versions <1.9', async () => {
+    inputs['go-version'] = '1.8';
+    inSpy.mockImplementation(name => inputs[name]);
+
+    const toolPath = path.normalize('/cache/go/1.8.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+
+    const vars: {[key: string]: string} = {};
+    exportVarSpy.mockImplementation((name: string, val: string) => {
+      vars[name] = val;
+    });
+
+    await main.run();
+    expect(vars).toStrictEqual({
+      GOROOT: toolPath
+    });
+  });
+
+  it('finds a version of go already in the cache', async () => {
+    inputs['go-version'] = '1.13.0';
+
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+  });
+
+  it('finds a version in the cache and adds it to the path', async () => {
+    inputs['go-version'] = '1.13.0';
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    const expPath = path.join(toolPath, 'bin');
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('handles unhandled error and reports error', async () => {
+    const errMsg = 'unhandled error message';
+    inputs['go-version'] = '1.13.0';
+
+    findSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    await main.run();
+    expect(cnSpy).toHaveBeenCalledWith('::error::' + errMsg + osm.EOL);
+  });
+
+  it('downloads a version not in the cache', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    inputs['go-version'] = '1.13.1';
+
+    findSpy.mockImplementation(() => '');
+    dlSpy.mockImplementation(() => '/some/temp/path');
+    const toolPath = path.normalize('/cache/go/1.13.0/x64');
+    extractTarSpy.mockImplementation(() => '/some/other/temp/path');
+    cacheSpy.mockImplementation(() => toolPath);
+    await main.run();
+
+    const expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('downloads a version not in the cache (windows)', async () => {
+    os.platform = 'win32';
+    os.arch = 'x64';
+
+    inputs['go-version'] = '1.13.1';
+    process.env['RUNNER_TEMP'] = 'C:\\temp\\';
+
+    findSpy.mockImplementation(() => '');
+    dlSpy.mockImplementation(() => 'C:\\temp\\some\\path');
+    extractZipSpy.mockImplementation(() => 'C:\\temp\\some\\other\\path');
+
+    const toolPath = path.normalize('C:\\cache\\go\\1.13.0\\x64');
+    cacheSpy.mockImplementation(() => toolPath);
+
+    await main.run();
+
+    const expPath = path.win32.join(toolPath, 'bin');
+    expect(dlSpy).toHaveBeenCalledWith(
+      'https://go.dev/dl/go1.13.1.windows-amd64.zip',
+      'C:\\temp\\go1.13.1.windows-amd64.zip',
+      undefined
+    );
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('does not find a version that does not exist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    inputs['go-version'] = '9.99.9';
+
+    findSpy.mockImplementation(() => '');
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(
+      `::error::Unable to find Go version '9.99.9' for platform linux and architecture x64.${osm.EOL}`
+    );
+  });
+
+  it('downloads a version from a manifest match', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    const versionSpec = '1.12.16';
+
+    inputs['go-version'] = versionSpec;
+    inputs['token'] = 'faketoken';
+
+    const expectedUrl =
+      'https://github.com/actions/go-versions/releases/download/1.12.16-20200616.20/go-1.12.16-linux-x64.tar.gz';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    const toolPath = path.normalize('/cache/go/1.12.16/x64');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    const expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
+    expect(logSpy).not.toHaveBeenCalledWith(
+      'Not found in manifest.  Falling back to download directly from Go'
+    );
+    expect(logSpy).toHaveBeenCalledWith(
+      `Acquiring 1.12.16 from ${expectedUrl}`
+    );
+
+    expect(logSpy).toHaveBeenCalledWith(`Added go to the path`);
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('downloads a major and minor from a manifest match', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    const versionSpec = '1.12';
+
+    inputs['go-version'] = versionSpec;
+    inputs['token'] = 'faketoken';
+
+    const expectedUrl =
+      'https://github.com/actions/go-versions/releases/download/1.12.17-20200616.21/go-1.12.17-linux-x64.tar.gz';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    const toolPath = path.normalize('/cache/go/1.12.17/x64');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    const expPath = path.join(toolPath, 'bin');
+
+    expect(dlSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
+    expect(logSpy).not.toHaveBeenCalledWith(
+      'Not found in manifest.  Falling back to download directly from Go'
+    );
+    expect(logSpy).toHaveBeenCalledWith(
+      `Acquiring 1.12.17 from ${expectedUrl}`
+    );
+
+    expect(logSpy).toHaveBeenCalledWith(`Added go to the path`);
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('falls back to a version from go dist', async () => {
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    const versionSpec = '1.12.14';
+
+    inputs['go-version'] = versionSpec;
+    inputs['token'] = 'faketoken';
+
+    // ... but not in the local cache
+    findSpy.mockImplementation(() => '');
+
+    dlSpy.mockImplementation(async () => '/some/temp/path');
+    const toolPath = path.normalize('/cache/go/1.12.14/x64');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+    cacheSpy.mockImplementation(async () => toolPath);
+
+    await main.run();
+
+    const expPath = path.join(toolPath, 'bin');
+    expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.12.14');
+    expect(findSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.12.14...');
+    expect(dlSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith('matching 1.12.14...');
+    expect(extractTarSpy).toHaveBeenCalled();
+    expect(logSpy).toHaveBeenCalledWith(
+      'Not found in manifest.  Falling back to download directly from Go'
+    );
+    expect(logSpy).toHaveBeenCalledWith(`Install from dist`);
+    expect(logSpy).toHaveBeenCalledWith(`Added go to the path`);
+    expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+  });
+
+  it('reports a failed download', async () => {
+    const errMsg = 'unhandled download message';
+    os.platform = 'linux';
+    os.arch = 'x64';
+
+    inputs['go-version'] = '1.13.1';
+
+    findSpy.mockImplementation(() => '');
+    dlSpy.mockImplementation(() => {
+      throw new Error(errMsg);
+    });
+    await main.run();
+
+    expect(cnSpy).toHaveBeenCalledWith(
+      `::error::Failed to download version 1.13.1: Error: ${errMsg}${osm.EOL}`
+    );
+  });
+
+  it('does not add BIN if go is not in path', async () => {
+    whichSpy.mockImplementation(async () => {
+      return '';
+    });
+    const added = await main.addBinToPath();
+    expect(added).toBeFalsy();
+  });
+
+  it('adds bin if dir not exists', async () => {
+    whichSpy.mockImplementation(async () => {
+      return '/usr/local/go/bin/go';
+    });
+
+    execSpy.mockImplementation(() => {
+      return '/Users/testuser/go';
+    });
+
+    mkdirpSpy.mockImplementation(async () => {});
+    existsSpy.mockImplementation(() => {
+      return false;
+    });
+
+    const added = await main.addBinToPath();
+    expect(added).toBeTruthy();
+  });
+
+  interface Annotation {
+    file: string;
+    line: number;
+    column: number;
+    message: string;
+  }
+
+  //
+  // problem matcher regex pattern tests
+
+  function testMatch(line: string): Annotation {
+    const annotation = <Annotation>{};
+
+    const match = matcherRegExp.exec(line);
+    if (match) {
+      annotation.line = parseInt(match[matcherPattern.line], 10);
+      annotation.column = parseInt(match[matcherPattern.column], 10);
+      annotation.file = match[matcherPattern.file].trim();
+      annotation.message = match[matcherPattern.message].trim();
+    }
+
+    return annotation;
+  }
+
+  it('matches on relative unix path', async () => {
+    const line = './main.go:13:2: undefined: fmt.Printl';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('./main.go');
+    expect(annotation.message).toBe('undefined: fmt.Printl');
+  });
+
+  it('matches on unix path up the tree', async () => {
+    const line = '../main.go:13:2: undefined: fmt.Printl';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('../main.go');
+    expect(annotation.message).toBe('undefined: fmt.Printl');
+  });
+
+  it('matches on unix path down the tree', async () => {
+    const line = 'foo/main.go:13:2: undefined: fmt.Printl';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('foo/main.go');
+    expect(annotation.message).toBe('undefined: fmt.Printl');
+  });
+
+  it('matches on rooted unix path', async () => {
+    const line = '/assert.go:4:1: missing return at end of function';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(4);
+    expect(annotation.column).toBe(1);
+    expect(annotation.file).toBe('/assert.go');
+    expect(annotation.message).toBe('missing return at end of function');
+  });
+
+  it('matches on unix path with spaces', async () => {
+    const line = '   ./assert.go:5:2: missing return at end of function   ';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(5);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('./assert.go');
+    expect(annotation.message).toBe('missing return at end of function');
+  });
+
+  it('matches on unix path with tabs', async () => {
+    const line = '\t./assert.go:5:2: missing return at end of function   ';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(5);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('./assert.go');
+    expect(annotation.message).toBe('missing return at end of function');
+  });
+
+  it('matches on relative windows path', async () => {
+    const line = '.\\main.go:13:2: undefined: fmt.Printl';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('.\\main.go');
+    expect(annotation.message).toBe('undefined: fmt.Printl');
+  });
+
+  it('matches on windows path up the tree', async () => {
+    const line = '..\\main.go:13:2: undefined: fmt.Printl';
+    const annotation = testMatch(line);
+    expect(annotation).toBeDefined();
+    expect(annotation.line).toBe(13);
+    expect(annotation.column).toBe(2);
+    expect(annotation.file).toBe('..\\main.go');
+    expect(annotation.message).toBe('undefined: fmt.Printl');
+  });
+
+  // 1.13.1 => 1.13.1
+  // 1.13 => 1.13.0
+  // 1.10beta1 => 1.10.0-beta.1, 1.10rc1 => 1.10.0-rc.1
+  // 1.8.5beta1 => 1.8.5-beta.1, 1.8.5rc1 => 1.8.5-rc.1
+  it('converts prerelease versions', async () => {
+    expect(im.makeSemver('1.10beta1')).toBe('1.10.0-beta.1');
+    expect(im.makeSemver('1.10rc1')).toBe('1.10.0-rc.1');
+  });
+
+  it('converts dot zero versions', async () => {
+    expect(im.makeSemver('1.13')).toBe('1.13.0');
+  });
+
+  it('does not convert exact versions', async () => {
+    expect(im.makeSemver('1.13.1')).toBe('1.13.1');
+  });
+
+  describe('check-latest flag', () => {
+    it("use local version and don't check manifest if check-latest is not specified", async () => {
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      inputs['go-version'] = '1.16';
+      inputs['check-latest'] = false;
+
+      const toolPath = path.normalize('/cache/go/1.16.1/x64');
+      findSpy.mockReturnValue(toolPath);
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+      expect(logSpy).not.toHaveBeenCalledWith(
+        'Attempting to resolve the latest version from the manifest...'
+      );
+    });
+
+    it('check latest version and resolve it from local cache', async () => {
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      inputs['go-version'] = '1.16';
+      inputs['check-latest'] = true;
+
+      const toolPath = path.normalize('/cache/go/1.16.1/x64');
+      findSpy.mockReturnValue(toolPath);
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.16');
+      expect(logSpy).toHaveBeenCalledWith(`Found in cache @ ${toolPath}`);
+    });
+
+    it('check latest version and install it from manifest', async () => {
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      const versionSpec = '1.17';
+      const patchVersion = '1.17.6';
+      inputs['go-version'] = versionSpec;
+      inputs['stable'] = 'true';
+      inputs['check-latest'] = true;
+
+      findSpy.mockImplementation(() => '');
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      const toolPath = path.normalize('/cache/go/1.17.6/x64');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith(
+        `Setup go version spec ${versionSpec}`
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        'Attempting to resolve the latest version from the manifest...'
+      );
+      expect(logSpy).toHaveBeenCalledWith(`Resolved as '${patchVersion}'`);
+      expect(logSpy).toHaveBeenCalledWith(
+        `Attempting to download ${patchVersion}...`
+      );
+      expect(logSpy).toHaveBeenCalledWith('Extracting Go...');
+      expect(logSpy).toHaveBeenCalledWith('Adding to the cache ...');
+      expect(logSpy).toHaveBeenCalledWith('Added go to the path');
+      expect(logSpy).toHaveBeenCalledWith(
+        `Successfully set up Go version ${versionSpec}`
+      );
+    });
+
+    it('fallback to dist if version is not found in manifest', async () => {
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      const versionSpec = '1.13';
+
+      inputs['go-version'] = versionSpec;
+      inputs['check-latest'] = true;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      // ... but not in the local cache
+      findSpy.mockImplementation(() => '');
+
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      const toolPath = path.normalize('/cache/go/1.13.7/x64');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+
+      const expPath = path.join(toolPath, 'bin');
+
+      expect(dlSpy).toHaveBeenCalled();
+      expect(extractTarSpy).toHaveBeenCalled();
+      expect(logSpy).toHaveBeenCalledWith(
+        'Attempting to resolve the latest version from the manifest...'
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        `Failed to resolve version ${versionSpec} from manifest`
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        `Attempting to download ${versionSpec}...`
+      );
+      expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+    });
+
+    it('fallback to dist if manifest is not available', async () => {
+      os.platform = 'linux';
+      os.arch = 'x64';
+
+      const versionSpec = '1.13';
+
+      process.env['GITHUB_PATH'] = '';
+
+      inputs['go-version'] = versionSpec;
+      inputs['check-latest'] = true;
+      inputs['always-auth'] = false;
+      inputs['token'] = 'faketoken';
+
+      // ... but not in the local cache
+      findSpy.mockImplementation(() => '');
+      getManifestSpy.mockImplementation(() => {
+        throw new Error('Unable to download manifest');
+      });
+      httpmGetJsonSpy.mockRejectedValue(
+        new Error('Unable to download manifest from raw URL')
+      );
+      getAllVersionsSpy.mockImplementationOnce(() => undefined);
+
+      dlSpy.mockImplementation(async () => '/some/temp/path');
+      const toolPath = path.normalize('/cache/go/1.13.7/x64');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
+      cacheSpy.mockImplementation(async () => toolPath);
+
+      await main.run();
+
+      const expPath = path.join(toolPath, 'bin');
+
+      expect(logSpy).toHaveBeenCalledWith(
+        `Failed to resolve version ${versionSpec} from manifest`
+      );
+      expect(dlSpy).toHaveBeenCalled();
+      expect(extractTarSpy).toHaveBeenCalled();
+      expect(logSpy).toHaveBeenCalledWith(
+        'Attempting to resolve the latest version from the manifest...'
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        'Unable to resolve a version from the manifest...'
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        `Failed to resolve version ${versionSpec} from manifest`
+      );
+      expect(logSpy).toHaveBeenCalledWith(
+        `Attempting to download ${versionSpec}...`
+      );
+
+      expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
+    });
+  });
+
+  describe('go-version-file', () => {
+    const goModContents = `module example.com/mymodule
+
+go 1.14
+
+require (
+	example.com/othermodule v1.2.3
+	example.com/thismodule v1.2.3
+	example.com/thatmodule v1.2.3
+)
+
+replace example.com/thatmodule => ../thatmodule
+exclude example.com/thismodule v1.3.0
+`;
+
+    const goWorkContents = `go 1.19
+
+use .
+
+`;
+
+    it('reads version from go.mod', async () => {
+      inputs['go-version-file'] = 'go.mod';
+      existsSpy.mockImplementation(() => true);
+      readFileSpy.mockImplementation(() => Buffer.from(goModContents));
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.14');
+      expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.14...');
+      expect(logSpy).toHaveBeenCalledWith('matching 1.14...');
+    });
+
+    it('reads version from go.work', async () => {
+      inputs['go-version-file'] = 'go.work';
+      existsSpy.mockImplementation(() => true);
+      readFileSpy.mockImplementation(() => Buffer.from(goWorkContents));
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.19');
+      expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.19...');
+      expect(logSpy).toHaveBeenCalledWith('matching 1.19...');
+    });
+
+    it('reads version from .go-version', async () => {
+      inputs['go-version-file'] = '.go-version';
+      existsSpy.mockImplementation(() => true);
+      readFileSpy.mockImplementation(() => Buffer.from(`1.13.0${osm.EOL}`));
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.13.0');
+      expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.13.0...');
+      expect(logSpy).toHaveBeenCalledWith('matching 1.13.0...');
+    });
+
+    it('is overwritten by go-version', async () => {
+      inputs['go-version'] = '1.13.1';
+      inputs['go-version-file'] = 'go.mod';
+      existsSpy.mockImplementation(() => true);
+      readFileSpy.mockImplementation(() => Buffer.from(goModContents));
+
+      await main.run();
+
+      expect(logSpy).toHaveBeenCalledWith('Setup go version spec 1.13.1');
+      expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.13.1...');
+      expect(logSpy).toHaveBeenCalledWith('matching 1.13.1...');
+    });
+
+    it('reports a read failure', async () => {
+      inputs['go-version-file'] = 'go.mod';
+      existsSpy.mockImplementation(() => false);
+
+      await main.run();
+
+      expect(cnSpy).toHaveBeenCalledWith(
+        `::error::The specified go version file at: go.mod does not exist${osm.EOL}`
+      );
+    });
+
+    it('acquires specified architecture of go', async () => {
+      for (const {arch, version, osSpec} of [
+        {arch: 'amd64', version: '1.13.7', osSpec: 'linux'},
+        {arch: 'armv6l', version: '1.12.2', osSpec: 'linux'}
+      ]) {
+        os.platform = osSpec;
+        os.arch = arch;
+
+        const fileExtension = os.platform === 'win32' ? 'zip' : 'tar.gz';
+
+        const platform = os.platform === 'win32' ? 'win' : os.platform;
+
+        inputs['go-version'] = version;
+        inputs['architecture'] = arch;
+
+        const expectedUrl =
+          platform === 'win32'
+            ? `https://github.com/actions/go-versions/releases/download/${version}/go-${version}-${platform}-${arch}.${fileExtension}`
+            : `https://go.dev/dl/go${version}.${osSpec}-${arch}.${fileExtension}`;
+
+        // ... but not in the local cache
+        findSpy.mockImplementation(() => '');
+
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        const toolPath = path.normalize(`/cache/go/${version}/${arch}`);
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        await main.run();
+
+        expect(logSpy).toHaveBeenCalledWith(
+          `Acquiring go${version} from ${expectedUrl}`
+        );
+      }
+    }, 100000);
+
+    it.each(['stable', 'oldstable'])(
+      'acquires latest go version with %s go-version input',
+      async (alias: string) => {
+        const arch = 'x64';
+        os.platform = 'darwin';
+        os.arch = arch;
+
+        inputs['go-version'] = alias;
+        inputs['architecture'] = os.arch;
+
+        // ... but not in the local cache
+        findSpy.mockImplementation(() => '');
+
+        dlSpy.mockImplementation(async () => '/some/temp/path');
+        const toolPath = path.normalize(`/cache/go/${alias}/${arch}`);
+        cacheSpy.mockImplementation(async () => toolPath);
+
+        await main.run();
+
+        const releaseIndex = alias === 'stable' ? 0 : 1;
+
+        expect(logSpy).toHaveBeenCalledWith(
+          `${alias} version resolved as ${goTestManifest[releaseIndex].version}`
+        );
+      }
+    );
+  });
+});