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83ad76637a
This commit replaces `os.MkdirTemp` with `t.TempDir` in tests. The
directory created by `t.TempDir` is automatically removed when the test
and all its subtests complete.
Prior to this commit, temporary directory created using `os.MkdirTemp`
needs to be removed manually by calling `os.RemoveAll`, which is omitted
in some tests. The error handling boilerplate e.g.
defer func() {
if err := os.RemoveAll(dir); err != nil {
t.Fatal(err)
}
}
is also tedious, but `t.TempDir` handles this for us nicely.
Reference: https://pkg.go.dev/testing#T.TempDir
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package profiling
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestProfilingCPU(t *testing.T) {
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dir := t.TempDir()
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err := StartCPUProfile(dir)
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require.NoError(t, err)
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// Block for a bit to collect some metrics.
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time.Sleep(time.Second)
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err = StopCPUProfile()
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require.NoError(t, err)
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// Verify that the file has some content.
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file, err := os.Open(filepath.Join(dir, CPUFilename))
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require.NoError(t, err)
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defer func() {
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err := file.Close()
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require.NoError(t, err)
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}()
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t.Logf("CPU profile saved in %s for %s", filepath.Join(dir, CPUFilename), os.Args[0])
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info, err := file.Stat()
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require.NoError(t, err)
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require.True(t, info.Size() > 0, "a file with CPU profile is empty")
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}
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func TestProfilingMem(t *testing.T) {
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dir := t.TempDir()
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err := WriteHeapFile(dir)
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require.NoError(t, err)
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// Verify that the file has some content.
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file, err := os.Open(filepath.Join(dir, MemFilename))
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require.NoError(t, err)
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defer func() {
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err := file.Close()
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require.NoError(t, err)
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}()
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t.Logf("Memory profile saved in %s for %s", filepath.Join(dir, MemFilename), os.Args[0])
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info, err := file.Stat()
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require.NoError(t, err)
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require.True(t, info.Size() > 0, "a file with memory profile is empty")
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}
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