// Test when parsing env variables into a struct.
// It should set the env values into the structure.
func TestEnvironmentValues(t *testing.T) {
stringVar := "string value"
intVar := 6789
floatVar := float32(1234.56)
boolVar := true
s := &SupportedTypes{}
os.Setenv("STRING_VAR", stringVar)
os.Setenv("INT_VAR", fmt.Sprintf("%d", intVar))
os.Setenv("FLOAT_VAR", fmt.Sprintf("%f", floatVar))
os.Setenv("BOOL_VAR", fmt.Sprintf("%t", boolVar))
defer func() {
syscall.Clearenv()
}()
if err := env.Parse(s); err != nil {
t.Fatal(err.Error())
}
if s.BoolType != boolVar {
t.Errorf("Test env values: bool value was not set properly. Expected: [%v] but was [%v]", boolVar, s.BoolType)
}
if s.FloatType != floatVar {
t.Errorf("Test env values: float value was not set properly. Expected: [%v] but was [%v]", floatVar, s.FloatType)
}
if s.IntType != intVar {
t.Errorf("Test env values: int value was not set properly. Expected: [%v] but was [%v]", intVar, s.IntType)
}
if s.StringType != stringVar {
t.Errorf("Test env values: string value was not set properly. Expected: [%v] but was [%v]", stringVar, s.StringType)
}
}
// Clearenv deletes all environment variables.
func Clearenv() {
syscall.Clearenv()
}
// Clearenv deletes all environment variables.
func Clearenv() { // 删除所有的环境变量
syscall.Clearenv()
}