mirror of https://github.com/perkeep/perkeep.git
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
/*
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Copyright 2013 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 test
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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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"log"
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"os"
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"strconv"
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"testing"
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)
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// BrokenTest marks the test as broken and calls t.Skip, unless the environment
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// variable RUN_BROKEN_TESTS is set to 1 (or some other boolean true value).
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func BrokenTest(t *testing.T) {
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if v, _ := strconv.ParseBool(os.Getenv("RUN_BROKEN_TESTS")); !v {
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t.Skipf("Skipping broken tests without RUN_BROKEN_TESTS=1")
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}
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}
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// TB is a copy of Go 1.2's testing.TB.
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type TB interface {
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Error(args ...interface{})
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Errorf(format string, args ...interface{})
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Fail()
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FailNow()
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Failed() bool
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Fatal(args ...interface{})
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Fatalf(format string, args ...interface{})
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Log(args ...interface{})
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Logf(format string, args ...interface{})
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Skip(args ...interface{})
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SkipNow()
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Skipf(format string, args ...interface{})
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Skipped() bool
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}
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// TLog changes the log package's output to log to t and returns a function
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// to reset it back to stderr.
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func TLog(t TB) func() {
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// TODO(bradfitz): once we rely on Go 1.2, change this to take a testing.TB.
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log.SetOutput(&twriter{t: t})
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return func() {
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log.SetOutput(os.Stderr)
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}
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}
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// TODO: This is unnecessarily complicated. I previously missed that
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// the log package actually guarantees a 1:1 relationship between log
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// method calls and Write calls:
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// "Each logging operation makes a single call to the Writer's Write method"
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type twriter struct {
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t TB
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buf bytes.Buffer
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}
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func (w *twriter) Write(p []byte) (n int, err error) {
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n, err = w.buf.Write(p)
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for {
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i := bytes.IndexByte(w.buf.Bytes(), '\n')
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if i < 0 {
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return
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}
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if i > 0 {
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w.t.Log(string(w.buf.Bytes()[:i]))
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}
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io.CopyN(ioutil.Discard, &w.buf, int64(i)+1)
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}
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}
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