github.com/status-im/status-go@v1.1.0/profiling/profiling_test.go (about)

     1  package profiling
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  	"testing"
     7  	"time"
     8  
     9  	"github.com/stretchr/testify/require"
    10  )
    11  
    12  func TestProfilingCPU(t *testing.T) {
    13  	dir := t.TempDir()
    14  
    15  	err := StartCPUProfile(dir)
    16  	require.NoError(t, err)
    17  
    18  	// Block for a bit to collect some metrics.
    19  	time.Sleep(time.Second)
    20  
    21  	err = StopCPUProfile()
    22  	require.NoError(t, err)
    23  
    24  	// Verify that the file has some content.
    25  	file, err := os.Open(filepath.Join(dir, CPUFilename))
    26  	require.NoError(t, err)
    27  	defer func() {
    28  		err := file.Close()
    29  		require.NoError(t, err)
    30  	}()
    31  
    32  	t.Logf("CPU profile saved in %s for %s", filepath.Join(dir, CPUFilename), os.Args[0])
    33  
    34  	info, err := file.Stat()
    35  	require.NoError(t, err)
    36  	require.True(t, info.Size() > 0, "a file with CPU profile is empty")
    37  }
    38  
    39  func TestProfilingMem(t *testing.T) {
    40  	dir := t.TempDir()
    41  
    42  	err := WriteHeapFile(dir)
    43  	require.NoError(t, err)
    44  
    45  	// Verify that the file has some content.
    46  	file, err := os.Open(filepath.Join(dir, MemFilename))
    47  	require.NoError(t, err)
    48  	defer func() {
    49  		err := file.Close()
    50  		require.NoError(t, err)
    51  	}()
    52  
    53  	t.Logf("Memory profile saved in %s for %s", filepath.Join(dir, MemFilename), os.Args[0])
    54  
    55  	info, err := file.Stat()
    56  	require.NoError(t, err)
    57  	require.True(t, info.Size() > 0, "a file with memory profile is empty")
    58  }