Start of magic sniffing tests.

lib/go/camli/magic/magic_test.go

@@ -0,0 +1,41 @@
+/*
+Copyright 2011 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+nYou 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 magic
+
+import (
+	. "camli/test/asserts"
+	"io/ioutil"
+	"testing"
+)
+
+type magicTest struct {
+	fileName, expected string
+}
+
+var tests = []magicTest{
+	{"smile.jpg", "image/jpeg"},
+	{"smile.png", "image/png"},
+}
+
+func TestGolden(t *testing.T) {
+	for _, test := range tests {
+		data, err := ioutil.ReadFile("testdata/" + test.fileName)
+		AssertNil(t, err, "no error reading " + test.fileName)
+		mime := MimeType(data)
+		ExpectString(t, test.expected, mime, test.fileName)
+	}
+}