package opts // import "github.com/docker/docker/opts" import ( "fmt" "os" "runtime" "testing" ) func TestValidateEnv(t *testing.T) { testcase := []struct { value string expected string err error }{ { value: "a", expected: "a", }, { value: "something", expected: "something", }, { value: "_=a", expected: "_=a", }, { value: "env1=value1", expected: "env1=value1", }, { value: "_env1=value1", expected: "_env1=value1", }, { value: "env2=value2=value3", expected: "env2=value2=value3", }, { value: "env3=abc!qwe", expected: "env3=abc!qwe", }, { value: "env_4=value 4", expected: "env_4=value 4", }, { value: "PATH", expected: fmt.Sprintf("PATH=%v", os.Getenv("PATH")), }, { value: "=a", err: fmt.Errorf(fmt.Sprintf("invalid environment variable: %s", "=a")), }, { value: "PATH=something", expected: "PATH=something", }, { value: "asd!qwe", expected: "asd!qwe", }, { value: "1asd", expected: "1asd", }, { value: "123", expected: "123", }, { value: "some space", expected: "some space", }, { value: " some space before", expected: " some space before", }, { value: "some space after ", expected: "some space after ", }, { value: "=", err: fmt.Errorf(fmt.Sprintf("invalid environment variable: %s", "=")), }, } // Environment variables are case in-sensitive on Windows if runtime.GOOS == "windows" { tmp := struct { value string expected string err error }{ value: "PaTh", expected: fmt.Sprintf("PaTh=%v", os.Getenv("PATH")), } testcase = append(testcase, tmp) } for _, r := range testcase { actual, err := ValidateEnv(r.value) if err != nil { if r.err == nil { t.Fatalf("Expected err is nil, got err[%v]", err) } if err.Error() != r.err.Error() { t.Fatalf("Expected err[%v], got err[%v]", r.err, err) } } if err == nil && r.err != nil { t.Fatalf("Expected err[%v], but err is nil", r.err) } if actual != r.expected { t.Fatalf("Expected [%v], got [%v]", r.expected, actual) } } }