export: Add test to check that invalid Kubernetes manifests produce a…

… proper error

Currently fails, to be fixed in the next commit

pkg/tanka/export_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/grafana/tanka/pkg/jsonnet"
+	"github.com/grafana/tanka/pkg/kubernetes/manifest"
 	"github.com/rs/zerolog"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -142,6 +143,25 @@ func TestExportEnvironments(t *testing.T) {
 }`)
 }
 
+func TestExportEnvironmentsBroken(t *testing.T) {
+	tempDir := t.TempDir()
+	require.NoError(t, os.Chdir("testdata"))
+	defer func() { require.NoError(t, os.Chdir("..")) }()
+
+	// Find envs
+	envs, err := FindEnvs("test-export-envs-broken", FindOpts{Selector: labels.Everything()})
+	require.NoError(t, err)
+
+	// Export all envs
+	opts := &ExportEnvOpts{
+		Format:    "{{.metadata.namespace}}/{{.metadata.name}}",
+		Extension: "yaml",
+	}
+
+	var schemaError *manifest.SchemaError
+	require.ErrorAs(t, ExportEnvironments(envs, tempDir, opts), &schemaError)
+}
+
 func BenchmarkExportEnvironmentsWithReplaceEnvs(b *testing.B) {
 	zerolog.SetGlobalLevel(zerolog.Disabled)
 	tempDir := b.TempDir()

pkg/tanka/testdata/test-export-envs-broken/static-env/main.jsonnet

@@ -0,0 +1,17 @@
+{
+  deployment: {
+    apiVersion: 'apps/v1',
+    kind: 'Deployment',
+    metadata: {
+      name: 'foo',
+    },
+  },
+  service: {
+    apiVersion: 'v1',
+    kind: 'Service',
+    metadata: {
+      // Error, this should be a string
+      name: true,
+    },
+  },
+}

pkg/tanka/testdata/test-export-envs-broken/static-env/spec.json

@@ -0,0 +1,14 @@
+{
+  "apiVersion": "tanka.dev/v1alpha1",
+  "kind": "Environment",
+  "metadata": {
+    "name": "static",
+    "labels": {
+      "type": "static"
+    }
+  },
+  "spec": {
+    "apiServer": "https://localhost",
+    "namespace": "static"
+  }
+}