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// Copyright 2020 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package and
import (
"bytes"
"io"
"testing"
)
func TestRead(t *testing.T) {
want := "asdf"
r := bytes.NewBufferString(want)
called := false
rac := &ReadCloser{
Reader: r,
CloseFunc: func() error {
called = true
return nil
},
}
data, err := io.ReadAll(rac)
if err != nil {
t.Errorf("ReadAll(rac) = %v", err)
}
if got := string(data); got != want {
t.Errorf("ReadAll(rac); got %q, want %q", got, want)
}
if called {
t.Error("called before Close(); got true, wanted false")
}
if err := rac.Close(); err != nil {
t.Errorf("Close() = %v", err)
}
if !called {
t.Error("called after Close(); got false, wanted true")
}
}
func TestWrite(t *testing.T) {
w := bytes.NewBuffer([]byte{})
called := false
wac := &WriteCloser{
Writer: w,
CloseFunc: func() error {
called = true
return nil
},
}
want := "asdf"
if _, err := wac.Write([]byte(want)); err != nil {
t.Errorf("Write(%q); = %v", want, err)
}
if called {
t.Error("called before Close(); got true, wanted false")
}
if err := wac.Close(); err != nil {
t.Errorf("Close() = %v", err)
}
if !called {
t.Error("called after Close(); got false, wanted true")
}
if got := w.String(); got != want {
t.Errorf("w.String(); got %q, want %q", got, want)
}
}
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