111 lines
2.2 KiB
Go
111 lines
2.2 KiB
Go
/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package api
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import (
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"fmt"
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"testing"
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)
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func TestConverter(t *testing.T) {
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type A struct {
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Foo string
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}
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type B struct {
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Bar string
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}
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type C struct{}
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c := NewConverter()
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err := c.Register(func(in *A, out *B) error {
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out.Bar = in.Foo
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return nil
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})
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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err = c.Register(func(in *B, out *A) error {
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out.Foo = in.Bar
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return nil
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})
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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x := A{"hello, intrepid test reader!"}
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y := B{}
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err = c.Convert(&x, &y)
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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if e, a := x.Foo, y.Bar; e != a {
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t.Errorf("expected %v, got %v", e, a)
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}
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z := B{"all your test are belong to us"}
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w := A{}
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err = c.Convert(&z, &w)
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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if e, a := z.Bar, w.Foo; e != a {
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t.Errorf("expected %v, got %v", e, a)
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}
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err = c.Register(func(in *A, out *C) error {
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return fmt.Errorf("C can't store an A, silly")
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})
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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err = c.Convert(&A{}, &C{})
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if err == nil {
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t.Errorf("unexpected non-error")
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}
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}
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func anonymousEmptyTypeNamedA() interface{} {
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type A struct{}
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return &A{}
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}
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func TestCopyConvertor(t *testing.T) {
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type A struct {
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Bar string
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}
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type B struct {
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Bar string
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}
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c := NewConverter()
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err := c.Convert(anonymousEmptyTypeNamedA(), &A{})
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if err == nil {
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t.Errorf("unexpected non-error")
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}
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err = c.Convert(&A{}, anonymousEmptyTypeNamedA())
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if err != nil {
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t.Fatalf("unexpected error %v", err)
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}
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err = c.Convert(&B{}, &A{})
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if err == nil {
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t.Errorf("unexpected non-error")
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}
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}
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