Add test for explain

pkg/kubectl/explain/model_printer_test.go

@@ -0,0 +1,122 @@
+/*
+Copyright 2017 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 explain
+
+import (
+	"bytes"
+	"testing"
+
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func TestModel(t *testing.T) {
+	schema := resources.LookupResource(schema.GroupVersionKind{
+		Group:   "",
+		Version: "v1",
+		Kind:    "OneKind",
+	})
+	if schema == nil {
+		t.Fatal("Couldn't find schema v1.OneKind")
+	}
+
+	tests := []struct {
+		path []string
+		want string
+	}{
+		{
+			want: `DESCRIPTION:
+     OneKind has a short description
+
+FIELDS:
+   field1	<Object> -required-
+     Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ut lacus ac
+     enim vulputate imperdiet ac accumsan risus. Integer vel accumsan lectus.
+     Praesent tempus nulla id tortor luctus, quis varius nulla laoreet. Ut orci
+     nisi, suscipit id velit sed, blandit eleifend turpis. Curabitur tempus ante
+     at lectus viverra, a mattis augue euismod. Morbi quam ligula, porttitor sit
+     amet lacus non, interdum pulvinar tortor. Praesent accumsan risus et ipsum
+     dictum, vel ullamcorper lorem egestas.
+
+   field2	<[]map[string]string>
+     This is an array of object of PrimitiveDef
+
+`,
+			path: []string{},
+		},
+		{
+			want: `RESOURCE: field1 <Object>
+
+DESCRIPTION:
+     Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla ut lacus ac
+     enim vulputate imperdiet ac accumsan risus. Integer vel accumsan lectus.
+     Praesent tempus nulla id tortor luctus, quis varius nulla laoreet. Ut orci
+     nisi, suscipit id velit sed, blandit eleifend turpis. Curabitur tempus ante
+     at lectus viverra, a mattis augue euismod. Morbi quam ligula, porttitor sit
+     amet lacus non, interdum pulvinar tortor. Praesent accumsan risus et ipsum
+     dictum, vel ullamcorper lorem egestas.
+
+     This is another kind of Kind
+
+FIELDS:
+   array	<[]integer>
+     This array must be an array of int
+
+   int	<integer>
+     This int must be an int
+
+   object	<map[string]string>
+     This is an object of string
+
+   primitive	<string>
+
+   string	<string> -required-
+     This string must be a string
+
+`,
+			path: []string{"field1"},
+		},
+		{
+			want: `FIELD: string <string>
+
+DESCRIPTION:
+     This string must be a string
+`,
+			path: []string{"field1", "string"},
+		},
+		{
+			want: `FIELD: array <[]integer>
+
+DESCRIPTION:
+     This array must be an array of int
+
+     This is an int in an array
+`,
+			path: []string{"field1", "array"},
+		},
+	}
+
+	for _, test := range tests {
+		buf := bytes.Buffer{}
+		if err := PrintModelDescription(test.path, &buf, schema, false); err != nil {
+			t.Fatalf("Failed to PrintModelDescription for path %v: %v", test.path, err)
+		}
+		got := buf.String()
+		if got != test.want {
+			t.Errorf("Got:\n%v\nWant:\n%v\n", buf.String(), test.want)
+		}
+	}
+}