diff options
Diffstat (limited to 'utils/config_test.go')
| -rw-r--r-- | utils/config_test.go | 174 |
1 files changed, 163 insertions, 11 deletions
diff --git a/utils/config_test.go b/utils/config_test.go index 75bbc420f..f57add303 100644 --- a/utils/config_test.go +++ b/utils/config_test.go @@ -46,20 +46,172 @@ func TestTimezoneConfig(t *testing.T) { } func TestFindConfigFile(t *testing.T) { - dir, err := ioutil.TempDir("", "") - require.NoError(t, err) - defer os.RemoveAll(dir) + t.Run("config.json in current working directory, not inside config/", func(t *testing.T) { + // Force a unique working directory + cwd, err := ioutil.TempDir("", "") + require.NoError(t, err) + defer os.RemoveAll(cwd) + + prevDir, err := os.Getwd() + require.NoError(t, err) + defer os.Chdir(prevDir) + os.Chdir(cwd) + + configJson, err := filepath.Abs("config.json") + require.NoError(t, err) + require.NoError(t, ioutil.WriteFile(configJson, []byte("{}"), 0600)) + + // Relative paths end up getting symlinks fully resolved. + configJsonResolved, err := filepath.EvalSymlinks(configJson) + require.NoError(t, err) + + assert.Equal(t, configJsonResolved, FindConfigFile("config.json")) + }) - path := filepath.Join(dir, "config.json") - require.NoError(t, ioutil.WriteFile(path, []byte("{}"), 0600)) + t.Run("config/config.json from various paths", func(t *testing.T) { + // Create the following directory structure: + // tmpDir1/ + // config/ + // config.json + // tmpDir2/ + // tmpDir3/ + // tmpDir4/ + // tmpDir5/ + tmpDir1, err := ioutil.TempDir("", "") + require.NoError(t, err) + defer os.RemoveAll(tmpDir1) + + err = os.Mkdir(filepath.Join(tmpDir1, "config"), 0700) + require.NoError(t, err) + + tmpDir2, err := ioutil.TempDir(tmpDir1, "") + require.NoError(t, err) + + tmpDir3, err := ioutil.TempDir(tmpDir2, "") + require.NoError(t, err) + + tmpDir4, err := ioutil.TempDir(tmpDir3, "") + require.NoError(t, err) + + tmpDir5, err := ioutil.TempDir(tmpDir4, "") + require.NoError(t, err) + + configJson := filepath.Join(tmpDir1, "config", "config.json") + require.NoError(t, ioutil.WriteFile(configJson, []byte("{}"), 0600)) + + // Relative paths end up getting symlinks fully resolved, so use this below as necessary. + configJsonResolved, err := filepath.EvalSymlinks(configJson) + require.NoError(t, err) + + testCases := []struct { + Description string + Cwd *string + FileName string + Expected string + }{ + { + "absolute path to config.json", + nil, + configJson, + configJson, + }, + { + "absolute path to config.json from directory containing config.json", + &tmpDir1, + configJson, + configJson, + }, + { + "relative path to config.json from directory containing config.json", + &tmpDir1, + "config.json", + configJsonResolved, + }, + { + "subdirectory of directory containing config.json", + &tmpDir2, + "config.json", + configJsonResolved, + }, + { + "twice-nested subdirectory of directory containing config.json", + &tmpDir3, + "config.json", + configJsonResolved, + }, + { + "thrice-nested subdirectory of directory containing config.json", + &tmpDir4, + "config.json", + configJsonResolved, + }, + { + "can't find from four nesting levels deep", + &tmpDir5, + "config.json", + "", + }, + } - assert.Equal(t, path, FindConfigFile(path)) + for _, testCase := range testCases { + t.Run(testCase.Description, func(t *testing.T) { + if testCase.Cwd != nil { + prevDir, err := os.Getwd() + require.NoError(t, err) + defer os.Chdir(prevDir) + os.Chdir(*testCase.Cwd) + } + + assert.Equal(t, testCase.Expected, FindConfigFile(testCase.FileName)) + }) + } + }) + + t.Run("config/config.json relative to executable", func(t *testing.T) { + osExecutable, err := os.Executable() + require.NoError(t, err) + osExecutableDir := filepath.Dir(osExecutable) + + // Force a working directory different than the executable. + cwd, err := ioutil.TempDir("", "") + require.NoError(t, err) + defer os.RemoveAll(cwd) + + prevDir, err := os.Getwd() + require.NoError(t, err) + defer os.Chdir(prevDir) + os.Chdir(cwd) + + testCases := []struct { + Description string + RelativePath string + }{ + { + "config/config.json", + ".", + }, + { + "../config/config.json", + "../", + }, + } - prevDir, err := os.Getwd() - require.NoError(t, err) - defer os.Chdir(prevDir) - os.Chdir(dir) - assert.Equal(t, path, FindConfigFile(path)) + for _, testCase := range testCases { + t.Run(testCase.Description, func(t *testing.T) { + // Install the config in config/config.json relative to the executable + configJson := filepath.Join(osExecutableDir, testCase.RelativePath, "config", "config.json") + require.NoError(t, os.Mkdir(filepath.Dir(configJson), 0700)) + require.NoError(t, ioutil.WriteFile(configJson, []byte("{}"), 0600)) + defer os.RemoveAll(filepath.Dir(configJson)) + + // Relative paths end up getting symlinks fully resolved. + configJsonResolved, err := filepath.EvalSymlinks(configJson) + require.NoError(t, err) + + assert.Equal(t, configJsonResolved, FindConfigFile("config.json")) + }) + } + }) } func TestConfigFromEnviroVars(t *testing.T) { |