pkg: add basic StringSlice test

Author: Nick Owens

pkg/flag_test.go

@@ -0,0 +1,39 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// 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 pkg
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestStringSlice(t *testing.T) {
+	tests := []struct {
+		input  string
+		output []string
+	}{
+		{`["a"]`, []string{"a"}},
+		{`["a","b"]`, []string{"a", "b"}},
+	}
+
+	for _, tt := range tests {
+		var ss StringSlice
+		ss.Set(tt.input)
+		r := ss.Value()
+		if !reflect.DeepEqual(r, tt.output) {
+			t.Errorf("error setting StringSlice: expected %+v, got %+v", tt.output, r)
+		}
+	}
+}