mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
// Copyright The OpenTelemetry 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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//go:build linux || dragonfly || freebsd || netbsd || openbsd || solaris
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package resource
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestReadFileExistent(t *testing.T) {
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fileContents := "foo"
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f, err := os.CreateTemp("", "readfile_")
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require.NoError(t, err)
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defer os.Remove(f.Name())
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_, err = f.WriteString(fileContents)
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require.NoError(t, err)
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require.NoError(t, f.Close())
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result, err := readFile(f.Name())
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require.NoError(t, err)
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require.Equal(t, result, fileContents)
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}
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func TestReadFileNonExistent(t *testing.T) {
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// create unique filename
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f, err := os.CreateTemp("", "readfile_")
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require.NoError(t, err)
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// make file non-existent
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require.NoError(t, os.Remove(f.Name()))
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_, err = readFile(f.Name())
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require.ErrorIs(t, err, os.ErrNotExist)
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}
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