Further isolate unstructured with factories.

pkg/resource/factory_test.go

@@ -0,0 +1,100 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package resource
+
+import (
+	"reflect"
+	"testing"
+
+	"sigs.k8s.io/kustomize/pkg/internal/loadertest"
+	"sigs.k8s.io/kustomize/pkg/patch"
+)
+
+func TestSliceFromPatches(t *testing.T) {
+
+	patchGood1 := patch.StrategicMerge("/foo/patch1.yaml")
+	patch1 := `
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: pooh
+`
+	patchGood2 := patch.StrategicMerge("/foo/patch2.yaml")
+	patch2 := `
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: winnie
+---
+# some comment
+---
+---
+`
+	patchBad := patch.StrategicMerge("/foo/patch3.yaml")
+	patch3 := `
+WOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOT: woot
+`
+	l := loadertest.NewFakeLoader("/foo")
+	l.AddFile(string(patchGood1), []byte(patch1))
+	l.AddFile(string(patchGood2), []byte(patch2))
+	l.AddFile(string(patchBad), []byte(patch3))
+
+	tests := []struct {
+		name        string
+		input       []patch.StrategicMerge
+		expectedOut []*Resource
+		expectedErr bool
+	}{
+		{
+			name:        "happy",
+			input:       []patch.StrategicMerge{patchGood1, patchGood2},
+			expectedOut: []*Resource{testDeployment, testConfigMap},
+			expectedErr: false,
+		},
+		{
+			name:        "badFileName",
+			input:       []patch.StrategicMerge{patchGood1, "doesNotExist"},
+			expectedOut: []*Resource{},
+			expectedErr: true,
+		},
+		{
+			name:        "badData",
+			input:       []patch.StrategicMerge{patchGood1, patchBad},
+			expectedOut: []*Resource{},
+			expectedErr: true,
+		},
+	}
+	for _, test := range tests {
+		rs, err := factory.SliceFromPatches(l, test.input)
+		if test.expectedErr && err == nil {
+			t.Fatalf("%v: should return error", test.name)
+		}
+		if !test.expectedErr && err != nil {
+			t.Fatalf("%v: unexpected error: %s", test.name, err)
+		}
+		if len(rs) != len(test.expectedOut) {
+			t.Fatalf("%s: length mismatch %d != %d",
+				test.name, len(rs), len(test.expectedOut))
+		}
+		for i := range rs {
+			if !reflect.DeepEqual(test.expectedOut[i], rs[i]) {
+				t.Fatalf("%s: Got: %v\nexpected:%v",
+					test.name, test.expectedOut[i], rs[i])
+			}
+		}
+	}
+}