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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package zapcore
import (
"sync"
"testing"
"go.uber.org/zap/internal/exit"
"github.com/stretchr/testify/assert"
)
func assertGoexit(t *testing.T, f func()) {
var finished bool
recovered := make(chan interface{})
go func() {
defer func() {
recovered <- recover()
}()
f()
finished = true
}()
assert.Nil(t, <-recovered, "Goexit should cause recover to return nil")
assert.False(t, finished, "Goroutine should not finish after Goexit")
}
func TestPutNilEntry(t *testing.T) {
// Pooling nil entries defeats the purpose.
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
for i := 0; i < 1000; i++ {
putCheckedEntry(nil)
}
}()
go func() {
defer wg.Done()
for i := 0; i < 1000; i++ {
ce := getCheckedEntry()
assert.NotNil(t, ce, "Expected only non-nil CheckedEntries in pool.")
assert.False(t, ce.dirty, "Unexpected dirty bit set.")
assert.Nil(t, ce.ErrorOutput, "Non-nil ErrorOutput.")
assert.Nil(t, ce.after, "Unexpected terminal behavior.")
assert.Equal(t, 0, len(ce.cores), "Expected empty slice of cores.")
assert.True(t, cap(ce.cores) > 0, "Expected pooled CheckedEntries to pre-allocate slice of Cores.")
}
}()
wg.Wait()
}
func TestEntryCaller(t *testing.T) {
tests := []struct {
caller EntryCaller
full string
short string
}{
{
caller: NewEntryCaller(100, "/path/to/foo.go", 42, false),
full: "undefined",
short: "undefined",
},
{
caller: NewEntryCaller(100, "/path/to/foo.go", 42, true),
full: "/path/to/foo.go:42",
short: "to/foo.go:42",
},
{
caller: NewEntryCaller(100, "to/foo.go", 42, true),
full: "to/foo.go:42",
short: "to/foo.go:42",
},
}
for _, tt := range tests {
assert.Equal(t, tt.full, tt.caller.String(), "Unexpected string from EntryCaller.")
assert.Equal(t, tt.full, tt.caller.FullPath(), "Unexpected FullPath from EntryCaller.")
assert.Equal(t, tt.short, tt.caller.TrimmedPath(), "Unexpected TrimmedPath from EntryCaller.")
}
}
func TestCheckedEntryWrite(t *testing.T) {
t.Run("nil is safe", func(t *testing.T) {
var ce *CheckedEntry
assert.NotPanics(t, func() { ce.Write() }, "Unexpected panic writing nil CheckedEntry.")
})
t.Run("WriteThenPanic", func(t *testing.T) {
var ce *CheckedEntry
ce = ce.After(Entry{}, WriteThenPanic)
assert.Panics(t, func() { ce.Write() }, "Expected to panic when WriteThenPanic is set.")
})
t.Run("WriteThenGoexit", func(t *testing.T) {
var ce *CheckedEntry
ce = ce.After(Entry{}, WriteThenGoexit)
assertGoexit(t, func() { ce.Write() })
})
t.Run("WriteThenFatal", func(t *testing.T) {
var ce *CheckedEntry
ce = ce.After(Entry{}, WriteThenFatal)
stub := exit.WithStub(func() {
ce.Write()
})
assert.True(t, stub.Exited, "Expected to exit when WriteThenFatal is set.")
assert.Equal(t, 1, stub.Code, "Expected to exit when WriteThenFatal is set.")
})
t.Run("After", func(t *testing.T) {
var ce *CheckedEntry
hook := &customHook{}
ce = ce.After(Entry{}, hook)
ce.Write()
assert.True(t, hook.called, "Expected to call custom action after Write.")
})
}
type customHook struct {
called bool
}
func (c *customHook) OnWrite(_ *CheckedEntry, _ []Field) {
c.called = true
}
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