mirror of
https://github.com/woodpecker-ci/woodpecker.git
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146 lines
3.5 KiB
Go
146 lines
3.5 KiB
Go
// Copyright 2024 Woodpecker Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package log_test
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import (
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"io"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/log"
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)
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type testWriter struct {
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*sync.Mutex
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writes []string
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}
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func (b *testWriter) Write(p []byte) (n int, err error) {
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b.Lock()
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defer b.Unlock()
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b.writes = append(b.writes, string(p))
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return len(p), nil
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}
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func (b *testWriter) Close() error {
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return nil
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}
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func (b *testWriter) GetWrites() []string {
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b.Lock()
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defer b.Unlock()
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w := make([]string, len(b.writes))
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copy(w, b.writes)
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return w
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}
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func TestCopyLineByLine(t *testing.T) {
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r, w := io.Pipe()
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testWriter := &testWriter{
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Mutex: &sync.Mutex{},
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writes: make([]string, 0),
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}
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go func() {
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err := log.CopyLineByLine(testWriter, r, 1024)
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assert.NoError(t, err)
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}()
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// wait for the goroutine to start
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time.Sleep(time.Millisecond)
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// write 4 bytes without newline
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if _, err := w.Write([]byte("1234")); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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writes := testWriter.GetWrites()
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assert.Lenf(t, writes, 0, "expected 0 writes, got: %v", writes)
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// write more bytes with newlines
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if _, err := w.Write([]byte("5\n678\n90")); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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writes = testWriter.GetWrites()
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assert.Lenf(t, writes, 2, "expected 2 writes, got: %v", writes)
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// wait for the goroutine to write the data
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time.Sleep(time.Millisecond)
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writtenData := strings.Join(writes, "-")
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assert.Equal(t, "12345\n-678\n", writtenData, "unexpected writtenData: %s", writtenData)
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// closing the writer should flush the remaining data
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w.Close()
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// wait for the goroutine to finish
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time.Sleep(10 * time.Millisecond)
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// the written data contains all the data we wrote
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writtenData = strings.Join(testWriter.GetWrites(), "-")
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assert.Equal(t, "12345\n-678\n-90", writtenData, "unexpected writtenData: %s", writtenData)
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}
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func TestCopyLineByLineSizeLimit(t *testing.T) {
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r, w := io.Pipe()
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testWriter := &testWriter{
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Mutex: &sync.Mutex{},
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writes: make([]string, 0),
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}
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wg := sync.WaitGroup{}
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wg.Add(1)
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go func() {
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defer wg.Done()
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err := log.CopyLineByLine(testWriter, r, 4)
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assert.NoError(t, err)
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}()
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// wait for the goroutine to start
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time.Sleep(time.Millisecond)
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// write 4 bytes without newline
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if _, err := w.Write([]byte("12345")); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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writes := testWriter.GetWrites()
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assert.Lenf(t, testWriter.GetWrites(), 0, "expected 0 writes, got: %v", writes)
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// write more bytes
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if _, err := w.Write([]byte("67\n89")); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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writes = testWriter.GetWrites()
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assert.Lenf(t, testWriter.GetWrites(), 2, "expected 2 writes, got: %v", writes)
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writes = testWriter.GetWrites()
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writtenData := strings.Join(writes, "-")
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assert.Equal(t, "1234-567\n", writtenData, "unexpected writtenData: %s", writtenData)
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// closing the writer should flush the remaining data
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w.Close()
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wg.Wait()
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}
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