Function TestInt32Flag

flag_int_test.go:179–239

(t *testing.T)

}

func TestInt32Flag(t *testing.T) {
	tests := []struct {
		name          string
		flag          Flag
		arguments     []string
		expectedValue int32
		expectErr     bool
	}{
		{
			name: "valid",
			flag: &Int32Flag{
				Name:    "number",
				Aliases: []string{"n"},
			},
			arguments:     []string{"--number", "2147483647"},
			expectedValue: 2147483647,
		},
		{
			name: "invalid",
			flag: &Int32Flag{
				Name: "number",
			},

			arguments: []string{"--number", "gopher"},
			expectErr: true,
		},
		{
			name: "out of range",
			flag: &Int32Flag{
				Name: "number",
			},
			arguments: []string{"--number", "2147483648"},
			expectErr: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cmd := &Command{
				Name:      "mock",
				Flags:     []Flag{tt.flag},
				Writer:    io.Discard,
				ErrWriter: io.Discard,
			}

			err := cmd.Run(buildTestContext(t), append([]string{"mock"}, tt.arguments...))

			if tt.expectErr {
				require.Error(t, err)

				return
			}

			require.NoError(t, err)

			for _, name := range tt.flag.Names() {
				assert.Equal(t, tt.expectedValue, cmd.Int32(name))
			}