kubectl/pkg/framework/test/fixtures_test.go

97 lines
3.2 KiB
Go

package test_test
import (
. "k8s.io/kubectl/pkg/framework/test"
"fmt"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"k8s.io/kubectl/pkg/framework/test/testfakes"
)
var _ = Describe("Fixtures", func() {
It("can construct a properly wired Fixtures struct", func() {
f := NewFixtures("path to etcd", "path to apiserver")
Expect(f.Etcd.(*Etcd).Path).To(Equal("path to etcd"))
Expect(f.APIServer.(*APIServer).Path).To(Equal("path to apiserver"))
})
Context("with a properly configured set of Fixtures", func() {
var (
fakeEtcdStartStopper *testfakes.FakeEtcdStartStopper
fakeAPIServerStartStopper *testfakes.FakeAPIServerStartStopper
fakeTempDirManager *testfakes.FakeTempDirManager
fixtures Fixtures
)
BeforeEach(func() {
fakeEtcdStartStopper = &testfakes.FakeEtcdStartStopper{}
fakeAPIServerStartStopper = &testfakes.FakeAPIServerStartStopper{}
fakeTempDirManager = &testfakes.FakeTempDirManager{}
fixtures = Fixtures{
Etcd: fakeEtcdStartStopper,
APIServer: fakeAPIServerStartStopper,
TempDirManager: fakeTempDirManager,
}
})
It("can start them", func() {
fakeTempDirManager.CreateReturns("some temp dir")
err := fixtures.Start()
Expect(err).NotTo(HaveOccurred())
By("creating a temporary directory")
Expect(fakeTempDirManager.CreateCallCount()).To(Equal(1),
"the TempDirManager should be called exactly once")
By("starting Etcd")
Expect(fakeEtcdStartStopper.StartCallCount()).To(Equal(1),
"the EtcdStartStopper should be called exactly once")
url, datadir := fakeEtcdStartStopper.StartArgsForCall(0)
Expect(url).To(Equal("tcp://127.0.0.1:2379"))
Expect(datadir).To(Equal("some temp dir"))
By("starting APIServer")
Expect(fakeAPIServerStartStopper.StartCallCount()).To(Equal(1),
"the APIServerStartStopper should be called exactly once")
url = fakeAPIServerStartStopper.StartArgsForCall(0)
Expect(url).To(Equal("tcp://127.0.0.1:2379"))
})
Context("when starting etcd fails", func() {
It("wraps the error", func() {
fakeEtcdStartStopper.StartReturns(fmt.Errorf("some error"))
err := fixtures.Start()
Expect(err).To(MatchError(ContainSubstring("some error")))
})
})
Context("when starting APIServer fails", func() {
It("wraps the error", func() {
fakeAPIServerStartStopper.StartReturns(fmt.Errorf("another error"))
err := fixtures.Start()
Expect(err).To(MatchError(ContainSubstring("another error")))
})
})
It("can can clean up the temporary directory and stop", func() {
fixtures.Stop()
Expect(fakeEtcdStartStopper.StopCallCount()).To(Equal(1))
Expect(fakeAPIServerStartStopper.StopCallCount()).To(Equal(1))
Expect(fakeTempDirManager.DestroyCallCount()).To(Equal(1))
})
Context("when cleanup fails", func() {
It("still stops the services, and it bubbles up the error", func() {
fakeTempDirManager.DestroyReturns(fmt.Errorf("deletion failed"))
err := fixtures.Stop()
Expect(err).To(MatchError(ContainSubstring("deletion failed")))
Expect(fakeEtcdStartStopper.StopCallCount()).To(Equal(1))
Expect(fakeAPIServerStartStopper.StopCallCount()).To(Equal(1))
})
})
})
})