github.com/getong/docker@v1.13.1/pkg/parsers/kernel/kernel_unix_test.go (about)

     1  // +build !windows
     2  
     3  package kernel
     4  
     5  import (
     6  	"fmt"
     7  	"testing"
     8  )
     9  
    10  func assertParseRelease(t *testing.T, release string, b *VersionInfo, result int) {
    11  	var (
    12  		a *VersionInfo
    13  	)
    14  	a, _ = ParseRelease(release)
    15  
    16  	if r := CompareKernelVersion(*a, *b); r != result {
    17  		t.Fatalf("Unexpected kernel version comparison result for (%v,%v). Found %d, expected %d", release, b, r, result)
    18  	}
    19  	if a.Flavor != b.Flavor {
    20  		t.Fatalf("Unexpected parsed kernel flavor.  Found %s, expected %s", a.Flavor, b.Flavor)
    21  	}
    22  }
    23  
    24  // TestParseRelease tests the ParseRelease() function
    25  func TestParseRelease(t *testing.T) {
    26  	assertParseRelease(t, "3.8.0", &VersionInfo{Kernel: 3, Major: 8, Minor: 0}, 0)
    27  	assertParseRelease(t, "3.4.54.longterm-1", &VersionInfo{Kernel: 3, Major: 4, Minor: 54, Flavor: ".longterm-1"}, 0)
    28  	assertParseRelease(t, "3.4.54.longterm-1", &VersionInfo{Kernel: 3, Major: 4, Minor: 54, Flavor: ".longterm-1"}, 0)
    29  	assertParseRelease(t, "3.8.0-19-generic", &VersionInfo{Kernel: 3, Major: 8, Minor: 0, Flavor: "-19-generic"}, 0)
    30  	assertParseRelease(t, "3.12.8tag", &VersionInfo{Kernel: 3, Major: 12, Minor: 8, Flavor: "tag"}, 0)
    31  	assertParseRelease(t, "3.12-1-amd64", &VersionInfo{Kernel: 3, Major: 12, Minor: 0, Flavor: "-1-amd64"}, 0)
    32  	assertParseRelease(t, "3.8.0", &VersionInfo{Kernel: 4, Major: 8, Minor: 0}, -1)
    33  	// Errors
    34  	invalids := []string{
    35  		"3",
    36  		"a",
    37  		"a.a",
    38  		"a.a.a-a",
    39  	}
    40  	for _, invalid := range invalids {
    41  		expectedMessage := fmt.Sprintf("Can't parse kernel version %v", invalid)
    42  		if _, err := ParseRelease(invalid); err == nil || err.Error() != expectedMessage {
    43  
    44  		}
    45  	}
    46  }
    47  
    48  func assertKernelVersion(t *testing.T, a, b VersionInfo, result int) {
    49  	if r := CompareKernelVersion(a, b); r != result {
    50  		t.Fatalf("Unexpected kernel version comparison result. Found %d, expected %d", r, result)
    51  	}
    52  }
    53  
    54  // TestCompareKernelVersion tests the CompareKernelVersion() function
    55  func TestCompareKernelVersion(t *testing.T) {
    56  	assertKernelVersion(t,
    57  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    58  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    59  		0)
    60  	assertKernelVersion(t,
    61  		VersionInfo{Kernel: 2, Major: 6, Minor: 0},
    62  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    63  		-1)
    64  	assertKernelVersion(t,
    65  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    66  		VersionInfo{Kernel: 2, Major: 6, Minor: 0},
    67  		1)
    68  	assertKernelVersion(t,
    69  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    70  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    71  		0)
    72  	assertKernelVersion(t,
    73  		VersionInfo{Kernel: 3, Major: 8, Minor: 5},
    74  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    75  		1)
    76  	assertKernelVersion(t,
    77  		VersionInfo{Kernel: 3, Major: 0, Minor: 20},
    78  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    79  		-1)
    80  	assertKernelVersion(t,
    81  		VersionInfo{Kernel: 3, Major: 7, Minor: 20},
    82  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    83  		-1)
    84  	assertKernelVersion(t,
    85  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    86  		VersionInfo{Kernel: 3, Major: 7, Minor: 0},
    87  		1)
    88  	assertKernelVersion(t,
    89  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    90  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    91  		1)
    92  	assertKernelVersion(t,
    93  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    94  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    95  		-1)
    96  }