mirror of https://github.com/perkeep/perkeep.git
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
/*
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Copyright 2012 The Camlistore Authors.
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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 readerutil
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import (
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"bytes"
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"io"
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"io/ioutil"
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"os"
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"testing"
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)
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const text = "HelloWorld"
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type testSrc struct {
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name string
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src io.Reader
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want int64
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}
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func (tsrc *testSrc) run(t *testing.T) {
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n, ok := ReaderSize(tsrc.src)
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if !ok {
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t.Fatalf("failed to read size for %q", tsrc.name)
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}
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if n != tsrc.want {
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t.Fatalf("wanted %v, got %v", tsrc.want, n)
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}
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}
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func TestBytesBuffer(t *testing.T) {
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buf := bytes.NewBuffer([]byte(text))
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tsrc := &testSrc{"buffer", buf, int64(len(text))}
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tsrc.run(t)
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}
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func TestSeeker(t *testing.T) {
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f, err := ioutil.TempFile("", "camliTestReaderSize")
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(f.Name())
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defer f.Close()
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size, err := f.Write([]byte(text))
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if err != nil {
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t.Fatal(err)
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}
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pos, err := f.Seek(5, 0)
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if err != nil {
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t.Fatal(err)
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}
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tsrc := &testSrc{"seeker", f, int64(size) - pos}
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tsrc.run(t)
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}
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