func verifySingleCase()

in commands/verify/verify.go [70:98]

• 27 lines of code
• 8 McCabe index (conditional complexity)

func verifySingleCase(expectedFile, actualFile, query string) error {
	expectedData, err := util.ReadFileContent(expectedFile)
	if err != nil {
		return fmt.Errorf("failed to read the expected data file: %v", err)
	}

	var actualData, sourceName, stderr string
	if actualFile != "" {
		sourceName = actualFile
		actualData, err = util.ReadFileContent(actualFile)
		if err != nil {
			return fmt.Errorf("failed to read the actual data file: %v", err)
		}
	} else if query != "" {
		sourceName = query
		actualData, stderr, err = util.ExecuteCommand(query)
		if err != nil {
			return fmt.Errorf("failed to execute the query: %s, output: %s, error: %v", query, actualData, stderr)
		}
	}

	if err = verifier.Verify(actualData, expectedData); err != nil {
		if me, ok := err.(*verifier.MismatchError); ok {
			return fmt.Errorf("failed to verify the output: %s, error:\n%v", sourceName, me.Error())
		}
		return fmt.Errorf("failed to verify the output: %s, error:\n%v", sourceName, err)
	}
	return nil
}