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90 lines
2.4 KiB
90 lines
2.4 KiB
// Copyright 2020 The Prometheus 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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// |
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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 logging |
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import ( |
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"os" |
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"strings" |
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"testing" |
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"github.com/grafana/regexp" |
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"github.com/stretchr/testify/require" |
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) |
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func TestJSONFileLogger_basic(t *testing.T) { |
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f, err := os.CreateTemp("", "logging") |
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require.NoError(t, err) |
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defer func() { |
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require.NoError(t, f.Close()) |
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require.NoError(t, os.Remove(f.Name())) |
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}() |
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l, err := NewJSONFileLogger(f.Name()) |
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require.NoError(t, err) |
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require.NotNil(t, l, "logger can't be nil") |
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l.Info("test", "hello", "world") |
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require.NoError(t, err) |
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r := make([]byte, 1024) |
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_, err = f.Read(r) |
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require.NoError(t, err) |
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result, err := regexp.Match(`^{"time":"[^"]+","level":"INFO","source":"file.go:\d+","msg":"test","hello":"world"}\n`, r) |
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require.NoError(t, err) |
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require.True(t, result, "unexpected content: %s", r) |
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err = l.Close() |
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require.NoError(t, err) |
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err = l.file.Close() |
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require.Error(t, err) |
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require.True(t, strings.HasSuffix(err.Error(), os.ErrClosed.Error()), "file not closed") |
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} |
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func TestJSONFileLogger_parallel(t *testing.T) { |
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f, err := os.CreateTemp("", "logging") |
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require.NoError(t, err) |
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defer func() { |
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require.NoError(t, f.Close()) |
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require.NoError(t, os.Remove(f.Name())) |
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}() |
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l, err := NewJSONFileLogger(f.Name()) |
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require.NoError(t, err) |
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require.NotNil(t, l, "logger can't be nil") |
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l.Info("test", "hello", "world") |
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require.NoError(t, err) |
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l2, err := NewJSONFileLogger(f.Name()) |
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require.NoError(t, err) |
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require.NotNil(t, l, "logger can't be nil") |
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l2.Info("test", "hello", "world") |
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require.NoError(t, err) |
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err = l.Close() |
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require.NoError(t, err) |
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err = l.file.Close() |
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require.Error(t, err) |
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require.True(t, strings.HasSuffix(err.Error(), os.ErrClosed.Error()), "file not closed") |
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err = l2.Close() |
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require.NoError(t, err) |
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err = l2.file.Close() |
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require.Error(t, err) |
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require.True(t, strings.HasSuffix(err.Error(), os.ErrClosed.Error()), "file not closed") |
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}
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