monorepo

Co-authored-by: Malte Poll <mp@edgeless.systems>
Co-authored-by: katexochen <katexochen@users.noreply.github.com>
Co-authored-by: Daniel Weiße <dw@edgeless.systems>
Co-authored-by: Thomas Tendyck <tt@edgeless.systems>
Co-authored-by: Benedict Schlueter <bs@edgeless.systems>
Co-authored-by: leongross <leon.gross@rub.de>
Co-authored-by: Moritz Eckert <m1gh7ym0@gmail.com>

coordinator/cloudprovider/gcp/ccm_test.go

@@ -0,0 +1,75 @@
+package gcp
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/edgelesssys/constellation/coordinator/core"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPrepareInstance(t *testing.T) {
+	err := errors.New("some err")
+	vpnIP := "192.0.2.0"
+	instance := core.Instance{
+		Name:       "someInstance",
+		ProviderID: "gce://someProjectID/someZone/someInstance",
+		IPs:        []string{"192.0.2.0"},
+	}
+
+	testCases := map[string]struct {
+		writer         stubWriter
+		expectErr      bool
+		expectedConfig string
+	}{
+		"prepare works": {
+			expectedConfig: `[global]
+project-id = someProjectID
+use-metadata-server = false
+`,
+		},
+		"GCE conf write error is detected": {
+			writer:    stubWriter{writeErr: err},
+			expectErr: true,
+		},
+	}
+
+	for name, tc := range testCases {
+		t.Run(name, func(t *testing.T) {
+			assert := assert.New(t)
+			require := require.New(t)
+
+			ccm := CloudControllerManager{writer: &tc.writer}
+			err := ccm.PrepareInstance(instance, vpnIP)
+
+			if tc.expectErr {
+				assert.Error(err)
+				return
+			}
+			require.NoError(err)
+			assert.ElementsMatch([]string{tc.expectedConfig}, tc.writer.configs)
+		})
+	}
+}
+
+func TestTrivialCCMFunctions(t *testing.T) {
+	assert := assert.New(t)
+	cloud := CloudControllerManager{}
+
+	assert.NotEmpty(cloud.Image())
+	assert.NotEmpty(cloud.Path())
+	assert.NotEmpty(cloud.Name())
+	assert.True(cloud.Supported())
+}
+
+type stubWriter struct {
+	writeErr error
+
+	configs []string
+}
+
+func (s *stubWriter) WriteGCEConf(config string) error {
+	s.configs = append(s.configs, config)
+	return s.writeErr
+}