kyaml: initial support for yaml and resource manipulation

kyaml/yaml/merge2/merge2_test.go

@@ -0,0 +1,47 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package merge2_test
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"sigs.k8s.io/kustomize/kyaml/kio/filters"
+	. "sigs.k8s.io/kustomize/kyaml/yaml/merge2"
+)
+
+var testCases = [][]testCase{scalarTestCases, listTestCases, elementTestCases, mapTestCases}
+
+func TestMerge(t *testing.T) {
+	for i := range testCases {
+		for _, tc := range testCases[i] {
+			actual, err := MergeStrings(tc.source, tc.dest)
+			if !assert.NoError(t, err, tc.description) {
+				t.FailNow()
+			}
+			e, err := filters.FormatInput(bytes.NewBufferString(tc.expected))
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+			estr := strings.TrimSpace(e.String())
+			a, err := filters.FormatInput(bytes.NewBufferString(actual))
+			if !assert.NoError(t, err) {
+				t.FailNow()
+			}
+			astr := strings.TrimSpace(a.String())
+			if !assert.Equal(t, estr, astr, tc.description) {
+				t.FailNow()
+			}
+		}
+	}
+}
+
+type testCase struct {
+	description string
+	source      string
+	dest        string
+	expected    string
+}