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|
package options
import (
"reflect"
"strings"
"testing"
_ "github.com/docker/libnetwork/testutils"
)
func TestGenerate(t *testing.T) {
gen := NewGeneric()
gen["Int"] = 1
gen["Rune"] = 'b'
gen["Float64"] = 2.0
type Model struct {
Int int
Rune rune
Float64 float64
}
result, err := GenerateFromModel(gen, Model{})
if err != nil {
t.Fatal(err)
}
cast, ok := result.(Model)
if !ok {
t.Fatalf("result has unexpected type %s", reflect.TypeOf(result))
}
if expected := 1; cast.Int != expected {
t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Int)
}
if expected := 'b'; cast.Rune != expected {
t.Fatalf("wrong value for field Rune: expected %v, got %v", expected, cast.Rune)
}
if expected := 2.0; cast.Float64 != expected {
t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Float64)
}
}
func TestGeneratePtr(t *testing.T) {
gen := NewGeneric()
gen["Int"] = 1
gen["Rune"] = 'b'
gen["Float64"] = 2.0
type Model struct {
Int int
Rune rune
Float64 float64
}
result, err := GenerateFromModel(gen, &Model{})
if err != nil {
t.Fatal(err)
}
cast, ok := result.(*Model)
if !ok {
t.Fatalf("result has unexpected type %s", reflect.TypeOf(result))
}
if expected := 1; cast.Int != expected {
t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Int)
}
if expected := 'b'; cast.Rune != expected {
t.Fatalf("wrong value for field Rune: expected %v, got %v", expected, cast.Rune)
}
if expected := 2.0; cast.Float64 != expected {
t.Fatalf("wrong value for field Int: expected %v, got %v", expected, cast.Float64)
}
}
func TestGenerateMissingField(t *testing.T) {
type Model struct{}
_, err := GenerateFromModel(Generic{"foo": "bar"}, Model{})
if _, ok := err.(NoSuchFieldError); !ok {
t.Fatalf("expected NoSuchFieldError, got %#v", err)
} else if expected := "no field"; !strings.Contains(err.Error(), expected) {
t.Fatalf("expected %q in error message, got %s", expected, err.Error())
}
}
func TestFieldCannotBeSet(t *testing.T) {
type Model struct{ foo int }
_, err := GenerateFromModel(Generic{"foo": "bar"}, Model{})
if _, ok := err.(CannotSetFieldError); !ok {
t.Fatalf("expected CannotSetFieldError, got %#v", err)
} else if expected := "cannot set field"; !strings.Contains(err.Error(), expected) {
t.Fatalf("expected %q in error message, got %s", expected, err.Error())
}
}
func TestTypeMismatchError(t *testing.T) {
type Model struct{ Foo int }
_, err := GenerateFromModel(Generic{"Foo": "bar"}, Model{})
if _, ok := err.(TypeMismatchError); !ok {
t.Fatalf("expected TypeMismatchError, got %#v", err)
} else if expected := "type mismatch"; !strings.Contains(err.Error(), expected) {
t.Fatalf("expected %q in error message, got %s", expected, err.Error())
}
}
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