func TestDecideStorageDriver(t *testing.T) {
var tests = []struct {
suppliedDriver string
defaultDriver string
remoteFilesystemType string
expectedDriver string
}{
{"", "aufs", "ext4", "aufs"},
{"", "aufs", "btrfs", "btrfs"},
{"", "overlay", "btrfs", "overlay"},
{"devicemapper", "aufs", "ext4", "devicemapper"},
{"devicemapper", "aufs", "btrfs", "devicemapper"},
}
p := &fakeProvisioner{GenericProvisioner{
Driver: &fakedriver.Driver{},
}}
for _, test := range tests {
p.SSHCommander = provisiontest.NewFakeSSHCommander(
provisiontest.FakeSSHCommanderOptions{
FilesystemType: test.remoteFilesystemType,
},
)
storageDriver, err := decideStorageDriver(p, test.defaultDriver, test.suppliedDriver)
assert.NoError(t, err)
assert.Equal(t, test.expectedDriver, storageDriver)
}
}
func TestDebianDefaultStorageDriver(t *testing.T) {
p := NewDebianProvisioner(&fakedriver.Driver{}).(*DebianProvisioner)
p.SSHCommander = provisiontest.NewFakeSSHCommander(provisiontest.FakeSSHCommanderOptions{})
p.Provision(swarm.Options{}, auth.Options{}, engine.Options{})
if p.EngineOptions.StorageDriver != "aufs" {
t.Fatal("Default storage driver should be aufs")
}
}
func TestRedHatDefaultStorageDriver(t *testing.T) {
p := NewRedHatProvisioner("", &fakedriver.Driver{})
p.SSHCommander = provisiontest.NewFakeSSHCommander(provisiontest.FakeSSHCommanderOptions{})
p.Provision(swarm.Options{}, auth.Options{}, engine.Options{})
if p.EngineOptions.StorageDriver != "devicemapper" {
t.Fatal("Default storage driver should be devicemapper")
}
}
func TestArchDefaultStorageDriver(t *testing.T) {
p := NewArchProvisioner(&fakedriver.Driver{}).(*ArchProvisioner)
p.SSHCommander = provisiontest.NewFakeSSHCommander(provisiontest.FakeSSHCommanderOptions{})
p.Provision(swarm.Options{}, auth.Options{}, engine.Options{})
if p.EngineOptions.StorageDriver != "overlay" {
t.Fatal("Default storage driver should be overlay")
}
}