Migrate diff, exec, export, and history to ginkgo

Migrate the diff, exec, export, and history bats tests to
the ginkgo test suite.

Signed-off-by: baude <bbaude@redhat.com>

Closes: #287
Approved by: baude

test/e2e/exec_test.go

@@ -0,0 +1,62 @@
+package integration
+
+import (
+	"os"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Podman exec", func() {
+	var (
+		tempdir    string
+		err        error
+		podmanTest PodmanTest
+	)
+
+	BeforeEach(func() {
+		tempdir, err = CreateTempDirInTempDir()
+		if err != nil {
+			os.Exit(1)
+		}
+		podmanTest = PodmanCreate(tempdir)
+		podmanTest.RestoreAllArtifacts()
+	})
+
+	AfterEach(func() {
+		podmanTest.Cleanup()
+
+	})
+
+	It("podman exec into bogus container", func() {
+		session := podmanTest.Podman([]string{"exec", "foobar", "ls"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(125))
+	})
+
+	It("podman exec without command", func() {
+		session := podmanTest.Podman([]string{"exec", "foobar"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(125))
+	})
+
+	It("podman exec simple command", func() {
+		setup := podmanTest.RunSleepContainer("test1")
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session := podmanTest.Podman([]string{"exec", "test1", "ls"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+	})
+
+	It("podman exec simple command using latest", func() {
+		setup := podmanTest.RunSleepContainer("test1")
+		setup.WaitWithDefaultTimeout()
+		Expect(setup.ExitCode()).To(Equal(0))
+
+		session := podmanTest.Podman([]string{"exec", "-l", "ls"})
+		session.WaitWithDefaultTimeout()
+		Expect(session.ExitCode()).To(Equal(0))
+	})
+})