89 lines
3.3 KiB
Go
89 lines
3.3 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"testing"
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"go.uber.org/zap/zapcore"
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"github.com/stretchr/testify/assert"
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)
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func TestRegisterDefaultEncoders(t *testing.T) {
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testEncodersRegistered(t, "console", "json")
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}
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func TestRegisterEncoder(t *testing.T) {
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testEncoders(func() {
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assert.NoError(t, RegisterEncoder("foo", newNilEncoder), "expected to be able to register the encoder foo")
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testEncodersRegistered(t, "foo")
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})
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}
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func TestDuplicateRegisterEncoder(t *testing.T) {
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testEncoders(func() {
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RegisterEncoder("foo", newNilEncoder)
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assert.Error(t, RegisterEncoder("foo", newNilEncoder), "expected an error when registering an encoder with the same name twice")
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})
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}
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func TestRegisterEncoderNoName(t *testing.T) {
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assert.Equal(t, errNoEncoderNameSpecified, RegisterEncoder("", newNilEncoder), "expected an error when registering an encoder with no name")
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}
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func TestNewEncoder(t *testing.T) {
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testEncoders(func() {
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RegisterEncoder("foo", newNilEncoder)
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encoder, err := newEncoder("foo", zapcore.EncoderConfig{})
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assert.NoError(t, err, "could not create an encoder for the registered name foo")
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assert.Nil(t, encoder, "the encoder from newNilEncoder is not nil")
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})
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}
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func TestNewEncoderNotRegistered(t *testing.T) {
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_, err := newEncoder("foo", zapcore.EncoderConfig{})
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assert.Error(t, err, "expected an error when trying to create an encoder of an unregistered name")
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}
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func TestNewEncoderNoName(t *testing.T) {
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_, err := newEncoder("", zapcore.EncoderConfig{})
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assert.Equal(t, errNoEncoderNameSpecified, err, "expected an error when creating an encoder with no name")
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}
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func testEncoders(f func()) {
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existing := _encoderNameToConstructor
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_encoderNameToConstructor = make(map[string]func(zapcore.EncoderConfig) (zapcore.Encoder, error))
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defer func() { _encoderNameToConstructor = existing }()
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f()
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}
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func testEncodersRegistered(t *testing.T, names ...string) {
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assert.Len(t, _encoderNameToConstructor, len(names), "the expected number of registered encoders does not match the actual number")
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for _, name := range names {
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assert.NotNil(t, _encoderNameToConstructor[name], "no encoder is registered for name %s", name)
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}
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}
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func newNilEncoder(_ zapcore.EncoderConfig) (zapcore.Encoder, error) {
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return nil, nil
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}
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