github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/daemon/graphdriver/overlay2/overlay_test.go (about)

     1  // +build linux
     2  
     3  package overlay2 // import "github.com/demonoid81/moby/daemon/graphdriver/overlay2"
     4  
     5  import (
     6  	"io/ioutil"
     7  	"os"
     8  	"testing"
     9  
    10  	"github.com/demonoid81/moby/daemon/graphdriver"
    11  	"github.com/demonoid81/moby/daemon/graphdriver/graphtest"
    12  	"github.com/demonoid81/moby/pkg/archive"
    13  	"github.com/demonoid81/moby/pkg/reexec"
    14  )
    15  
    16  func init() {
    17  	// Do not sure chroot to speed run time and allow archive
    18  	// errors or hangs to be debugged directly from the test process.
    19  	untar = archive.UntarUncompressed
    20  	graphdriver.ApplyUncompressedLayer = archive.ApplyUncompressedLayer
    21  
    22  	reexec.Init()
    23  }
    24  
    25  func skipIfNaive(t *testing.T) {
    26  	td, err := ioutil.TempDir("", "naive-check-")
    27  	if err != nil {
    28  		t.Fatalf("Failed to create temp dir: %v", err)
    29  	}
    30  	defer os.RemoveAll(td)
    31  
    32  	if useNaiveDiff(td) {
    33  		t.Skipf("Cannot run test with naive diff")
    34  	}
    35  }
    36  
    37  // This avoids creating a new driver for each test if all tests are run
    38  // Make sure to put new tests between TestOverlaySetup and TestOverlayTeardown
    39  func TestOverlaySetup(t *testing.T) {
    40  	graphtest.GetDriver(t, driverName)
    41  }
    42  
    43  func TestOverlayCreateEmpty(t *testing.T) {
    44  	graphtest.DriverTestCreateEmpty(t, driverName)
    45  }
    46  
    47  func TestOverlayCreateBase(t *testing.T) {
    48  	graphtest.DriverTestCreateBase(t, driverName)
    49  }
    50  
    51  func TestOverlayCreateSnap(t *testing.T) {
    52  	graphtest.DriverTestCreateSnap(t, driverName)
    53  }
    54  
    55  func TestOverlay128LayerRead(t *testing.T) {
    56  	graphtest.DriverTestDeepLayerRead(t, 128, driverName)
    57  }
    58  
    59  func TestOverlayDiffApply10Files(t *testing.T) {
    60  	skipIfNaive(t)
    61  	graphtest.DriverTestDiffApply(t, 10, driverName)
    62  }
    63  
    64  func TestOverlayChanges(t *testing.T) {
    65  	t.Skipf("Cannot run test with naive change algorithm")
    66  	graphtest.DriverTestChanges(t, driverName)
    67  }
    68  
    69  func TestOverlayTeardown(t *testing.T) {
    70  	graphtest.PutDriver(t)
    71  }
    72  
    73  // Benchmarks should always setup new driver
    74  
    75  func BenchmarkExists(b *testing.B) {
    76  	graphtest.DriverBenchExists(b, driverName)
    77  }
    78  
    79  func BenchmarkGetEmpty(b *testing.B) {
    80  	graphtest.DriverBenchGetEmpty(b, driverName)
    81  }
    82  
    83  func BenchmarkDiffBase(b *testing.B) {
    84  	graphtest.DriverBenchDiffBase(b, driverName)
    85  }
    86  
    87  func BenchmarkDiffSmallUpper(b *testing.B) {
    88  	graphtest.DriverBenchDiffN(b, 10, 10, driverName)
    89  }
    90  
    91  func BenchmarkDiff10KFileUpper(b *testing.B) {
    92  	graphtest.DriverBenchDiffN(b, 10, 10000, driverName)
    93  }
    94  
    95  func BenchmarkDiff10KFilesBottom(b *testing.B) {
    96  	graphtest.DriverBenchDiffN(b, 10000, 10, driverName)
    97  }
    98  
    99  func BenchmarkDiffApply100(b *testing.B) {
   100  	graphtest.DriverBenchDiffApplyN(b, 100, driverName)
   101  }
   102  
   103  func BenchmarkDiff20Layers(b *testing.B) {
   104  	graphtest.DriverBenchDeepLayerDiff(b, 20, driverName)
   105  }
   106  
   107  func BenchmarkRead20Layers(b *testing.B) {
   108  	graphtest.DriverBenchDeepLayerRead(b, 20, driverName)
   109  }