Function TestMatchAll

args_test.go:440–486

(t *testing.T)

}

func TestMatchAll(t *testing.T) {
	// Somewhat contrived example check that ensures there are exactly 3
	// arguments, and each argument is exactly 2 bytes long.
	pargs := MatchAll(
		ExactArgs(3),
		func(cmd *Command, args []string) error {
			for _, arg := range args {
				if len([]byte(arg)) != 2 {
					return fmt.Errorf("expected to be exactly 2 bytes long")
				}
			}
			return nil
		},
	)

	testCases := map[string]struct {
		args []string
		fail bool
	}{
		"happy path": {
			[]string{"aa", "bb", "cc"},
			false,
		},
		"incorrect number of args": {
			[]string{"aa", "bb", "cc", "dd"},
			true,
		},
		"incorrect number of bytes in one arg": {
			[]string{"aa", "bb", "abc"},
			true,
		},
	}

	rootCmd := &Command{Use: "root", Args: pargs, Run: emptyRun}

	for name, tc := range testCases {
		t.Run(name, func(t *testing.T) {
			_, err := executeCommand(rootCmd, tc.args...)
			if err != nil && !tc.fail {
				t.Errorf("unexpected: %v\n", err)
			}
			if err == nil && tc.fail {
				t.Errorf("expected error")
			}
		})
	}
}

// DEPRECATED