func TestIntFlagWithoutDefaultValue(t *testing.T) {
flag := cli.IntFlag{Name: "help", Usage: "Prints number of help topics", OmitDefaultValue: true}
output := flag.String()
expected := "--help \tPrints number of help topics"
if output != expected {
t.Errorf("expected '%s' to equal '%s", output, expected)
}
}
func TestIntFlagHelpOutput(t *testing.T) {
for _, test := range intFlagTests {
flag := cli.IntFlag{Name: test.name}
output := flag.String()
if output != test.expected {
t.Errorf("%s does not match %s", output, test.expected)
}
}
}
func TestIntFlagWithEnvVarHelpOutput(t *testing.T) {
os.Setenv("APP_BAR", "2")
for _, test := range intFlagTests {
flag := cli.IntFlag{Name: test.name, EnvVar: "APP_BAR"}
output := flag.String()
if !strings.HasSuffix(output, " [$APP_BAR]") {
t.Errorf("%s does not end with [$APP_BAR]", output)
}
}
}