mirror of https://github.com/certusone/vouch.git
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Copyright © 2020 Attestant Limited.
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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 logger
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import (
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"fmt"
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"strings"
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"sync"
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"testing"
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"github.com/rs/zerolog"
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zerologger "github.com/rs/zerolog/log"
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"github.com/stretchr/testify/assert"
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)
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// LogCapture allows testing code to query log output.
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type LogCapture struct {
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mu sync.Mutex
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entries []string
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}
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// NewLogCapture captures logs for querying.
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func NewLogCapture() *LogCapture {
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c := &LogCapture{
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entries: make([]string, 0),
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}
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zerologger.Logger = zerologger.Logger.Hook(c)
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return c
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}
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// Run is the hook to capture log entries. It also stops the entry from being printed.
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func (c *LogCapture) Run(e *zerolog.Event, level zerolog.Level, msg string) {
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c.mu.Lock()
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defer c.mu.Unlock()
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c.entries = append(c.entries, msg)
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e.Discard()
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}
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// AssertHasEntry checks if there is a log entry with the given string.
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func (c *LogCapture) AssertHasEntry(t *testing.T, msg string) {
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c.mu.Lock()
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defer c.mu.Unlock()
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for i := range c.entries {
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if c.entries[i] == msg {
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return
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}
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}
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assert.Fail(t, fmt.Sprintf("Missing log message %q", msg), strings.Join(c.entries, "\n"))
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}
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// Entries returns all captures log entries.
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func (c *LogCapture) Entries() []string {
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return c.entries
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}
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