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moby--moby/volume/validate_test.go

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package volume
import (
"errors"
"io/ioutil"
"os"
"strings"
"testing"
"github.com/docker/docker/api/types/mount"
)
func TestValidateMount(t *testing.T) {
testDir, err := ioutil.TempDir("", "test-validate-mount")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(testDir)
cases := []struct {
input mount.Mount
expected error
}{
{mount.Mount{Type: mount.TypeVolume}, errMissingField("Target")},
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath, Source: "hello"}, nil},
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath}, nil},
{mount.Mount{Type: mount.TypeBind}, errMissingField("Target")},
{mount.Mount{Type: mount.TypeBind, Target: testDestinationPath}, errMissingField("Source")},
{mount.Mount{Type: mount.TypeBind, Target: testDestinationPath, Source: testSourcePath, VolumeOptions: &mount.VolumeOptions{}}, errExtraField("VolumeOptions")},
{mount.Mount{Type: mount.TypeBind, Source: testSourcePath, Target: testDestinationPath}, errBindNotExist},
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath}, nil},
{mount.Mount{Type: "invalid", Target: testDestinationPath}, errors.New("mount type unknown")},
}
for i, x := range cases {
err := validateMountConfig(&x.input)
if err == nil && x.expected == nil {
continue
}
if (err == nil && x.expected != nil) || (x.expected == nil && err != nil) || !strings.Contains(err.Error(), x.expected.Error()) {
t.Fatalf("expected %q, got %q, case: %d", x.expected, err, i)
}
}
}