Update registrar unit tests to match them of cri-o

- Add the test framework abstraction
- Update the unit tests to run with ginkgo

Signed-off-by: Sascha Grunert <sgrunert@suse.com>

test/framework/framework.go

@@ -0,0 +1,56 @@
+package framework
+
+import (
+	"fmt"
+
+	"github.com/onsi/ginkgo"
+	"github.com/onsi/gomega"
+)
+
+// TestFramework is used to support commonnly used test features
+type TestFramework struct {
+	setup     func(*TestFramework) error
+	teardown  func(*TestFramework) error
+	TestError error
+}
+
+// NewTestFramework creates a new test framework instance for a given `setup`
+// and `teardown` function
+func NewTestFramework(
+	setup func(*TestFramework) error,
+	teardown func(*TestFramework) error,
+) *TestFramework {
+	return &TestFramework{
+		setup,
+		teardown,
+		fmt.Errorf("error"),
+	}
+}
+
+// NilFn is a convenience function which simply does nothing
+func NilFunc(f *TestFramework) error {
+	return nil
+}
+
+// Setup is the global initialization function which runs before each test
+// suite
+func (t *TestFramework) Setup() {
+	// Global initialization for the whole framework goes in here
+
+	// Setup the actual test suite
+	gomega.Expect(t.setup(t)).To(gomega.Succeed())
+}
+
+// Teardown is the global deinitialization function which runs after each test
+// suite
+func (t *TestFramework) Teardown() {
+	// Global deinitialization for the whole framework goes in here
+
+	// Teardown the actual test suite
+	gomega.Expect(t.teardown(t)).To(gomega.Succeed())
+}
+
+// Describe is a convenience wrapper around the `ginkgo.Describe` function
+func (t *TestFramework) Describe(text string, body func()) bool {
+	return ginkgo.Describe("libpod: "+text, body)
+}