func Test_UnmarshalFromConfig(t *testing.T) {
myConfig := &MyConfig{}
config, err := cfg.NewConfigFromReader(bytes.NewBufferString(configString))
if err != nil {
t.Errorf("Error parsing the config: %s\n", err)
}
err = cfg.UnmarshalFromConfig(config, myConfig)
if err != nil {
t.Errorf("Error unmarshaling data: %s\n", err)
}
if myConfig.Answer != 42 {
t.Errorf("Expected %v, got %v\n", 42, myConfig.Answer)
}
if myConfig.Pi != 3.14 {
t.Errorf("Expected %v, got %v\n", 3.14, myConfig.Pi)
}
if myConfig.IsActive != true {
t.Errorf("Expected %v, got %v\n", true, myConfig.IsActive)
}
q := "Alea iacta est\nEt tu, Brute?"
if myConfig.Quotes != q {
t.Errorf("Expected %q, got %q\n", q, myConfig.Quotes)
}
}
func newConfigFromFile(filename string, t *testing.T) *cfg.Config {
f, err := os.Open(fmt.Sprintf("_testdata/%s.cfg", filename))
if err != nil {
t.Errorf("Error reading test data: %s\n", err)
}
config, err := cfg.NewConfigFromReader(f)
if err != nil {
t.Errorf("Error creating config: %s\n", err)
}
return config
}
func ExampleNewConfigFromReader() {
const configString = `
# This is a comment
# An integer value
answer = 42
# A float value
pi = 3.14
# A boolean value
is_active = true
# A string value
quotes = Alea iacta est\nEt tu, Brute?
`
r := bytes.NewBufferString(configString)
config, err := cfg.NewConfigFromReader(r)
if err != nil {
// Handle error
}
a, _ := config.GetInt("answer")
fmt.Println(a)
p, _ := config.GetFloat("pi")
fmt.Println(p)
i, _ := config.GetBool("is_active")
fmt.Println(i)
q, _ := config.GetString("quotes")
fmt.Println(q)
// Output:
// 42
// 3.14
// true
// Alea iacta est
// Et tu, Brute?
}
func Test_ParseError(t *testing.T) {
_, err := cfg.NewConfigFromReader(errorReader{})
if err == nil {
t.Errorf("Expected parse error but got none")
}
}