github.com/Prakhar-Agarwal-byte/moby@v0.0.0-20231027092010-a14e3e8ab87e/pkg/parsers/kernel/kernel_unix_test.go (about)

     1  //go:build !windows
     2  
     3  package kernel // import "github.com/Prakhar-Agarwal-byte/moby/pkg/parsers/kernel"
     4  
     5  import (
     6  	"fmt"
     7  	"testing"
     8  )
     9  
    10  func assertParseRelease(t *testing.T, release string, b *VersionInfo, result int) {
    11  	var a *VersionInfo
    12  	a, _ = ParseRelease(release)
    13  
    14  	if r := CompareKernelVersion(*a, *b); r != result {
    15  		t.Fatalf("Unexpected kernel version comparison result for (%v,%v). Found %d, expected %d", release, b, r, result)
    16  	}
    17  	if a.Flavor != b.Flavor {
    18  		t.Fatalf("Unexpected parsed kernel flavor.  Found %s, expected %s", a.Flavor, b.Flavor)
    19  	}
    20  }
    21  
    22  // TestParseRelease tests the ParseRelease() function
    23  func TestParseRelease(t *testing.T) {
    24  	assertParseRelease(t, "3.8.0", &VersionInfo{Kernel: 3, Major: 8, Minor: 0}, 0)
    25  	assertParseRelease(t, "3.4.54.longterm-1", &VersionInfo{Kernel: 3, Major: 4, Minor: 54, Flavor: ".longterm-1"}, 0)
    26  	assertParseRelease(t, "3.4.54.longterm-1", &VersionInfo{Kernel: 3, Major: 4, Minor: 54, Flavor: ".longterm-1"}, 0)
    27  	assertParseRelease(t, "3.8.0-19-generic", &VersionInfo{Kernel: 3, Major: 8, Minor: 0, Flavor: "-19-generic"}, 0)
    28  	assertParseRelease(t, "3.10.0-862.2.3.el7.x86_64", &VersionInfo{Kernel: 3, Major: 10, Minor: 0, Flavor: "-862.2.3.el7.x86_64"}, 0)
    29  	assertParseRelease(t, "3.12.8tag", &VersionInfo{Kernel: 3, Major: 12, Minor: 8, Flavor: "tag"}, 0)
    30  	assertParseRelease(t, "3.12-1-amd64", &VersionInfo{Kernel: 3, Major: 12, Minor: 0, Flavor: "-1-amd64"}, 0)
    31  	assertParseRelease(t, "3.8.0", &VersionInfo{Kernel: 4, Major: 8, Minor: 0}, -1)
    32  	// Errors
    33  	invalids := []string{
    34  		"3",
    35  		"a",
    36  		"a.a",
    37  		"a.a.a-a",
    38  	}
    39  	for _, invalid := range invalids {
    40  		expectedMessage := fmt.Sprintf("Can't parse kernel version %v", invalid)
    41  		if _, err := ParseRelease(invalid); err == nil || err.Error() != expectedMessage {
    42  			if err == nil {
    43  				t.Fatalf("Expected %q, got nil", expectedMessage)
    44  			}
    45  			t.Fatalf("Expected %q, got %q", expectedMessage, err.Error())
    46  		}
    47  	}
    48  }
    49  
    50  func assertKernelVersion(t *testing.T, a, b VersionInfo, result int) {
    51  	if r := CompareKernelVersion(a, b); r != result {
    52  		t.Fatalf("Unexpected kernel version comparison result. Found %d, expected %d", r, result)
    53  	}
    54  }
    55  
    56  // TestCompareKernelVersion tests the CompareKernelVersion() function
    57  func TestCompareKernelVersion(t *testing.T) {
    58  	assertKernelVersion(t,
    59  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    60  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    61  		0)
    62  	assertKernelVersion(t,
    63  		VersionInfo{Kernel: 2, Major: 6, Minor: 0},
    64  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    65  		-1)
    66  	assertKernelVersion(t,
    67  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    68  		VersionInfo{Kernel: 2, Major: 6, Minor: 0},
    69  		1)
    70  	assertKernelVersion(t,
    71  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    72  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    73  		0)
    74  	assertKernelVersion(t,
    75  		VersionInfo{Kernel: 3, Major: 8, Minor: 5},
    76  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    77  		1)
    78  	assertKernelVersion(t,
    79  		VersionInfo{Kernel: 3, Major: 0, Minor: 20},
    80  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    81  		-1)
    82  	assertKernelVersion(t,
    83  		VersionInfo{Kernel: 3, Major: 7, Minor: 20},
    84  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    85  		-1)
    86  	assertKernelVersion(t,
    87  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    88  		VersionInfo{Kernel: 3, Major: 7, Minor: 0},
    89  		1)
    90  	assertKernelVersion(t,
    91  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    92  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    93  		1)
    94  	assertKernelVersion(t,
    95  		VersionInfo{Kernel: 3, Major: 8, Minor: 0},
    96  		VersionInfo{Kernel: 3, Major: 8, Minor: 20},
    97  		-1)
    98  }