Added unit tests for UNC path handling in windows

posix-utils_windows_test.go

@@ -0,0 +1,90 @@
+// +build windows
+
+/*
+ * Minio Cloud Storage, (C) 2016 Minio, 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 main
+
+import (
+	"bytes"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestUNCPaths(t *testing.T) {
+	var testCases = []struct {
+		objName string
+		pass    bool
+	}{
+		{"/abcdef", true},
+		{"/a/b/c/d/e/f/g", true},
+		{string(bytes.Repeat([]byte("界"), 85)), true},
+		{string(bytes.Repeat([]byte("界"), 100)), false},
+		{`\\p\q\r\s\t`, true},
+	}
+	var err error
+	err = os.Mkdir("c:\\testdisk", 0700)
+	defer os.RemoveAll("c:\\testdisk")
+	var fs StorageAPI
+	fs, err = newPosix("c:\\testdisk")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = fs.MakeVol("voldir")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, test := range testCases {
+		err = fs.AppendFile("voldir", test.objName, []byte("hello"))
+		if err != nil && test.pass {
+			t.Error(err)
+		} else if err == nil && !test.pass {
+			t.Error(err)
+		}
+
+		fs.DeleteFile("voldir", test.objName)
+	}
+}
+
+func TestUNCPathENOTDIR(t *testing.T) {
+	var err error
+	err = os.Mkdir("c:\\testdisk", 0700)
+	defer os.RemoveAll("c:\\testdisk")
+	var fs StorageAPI
+	fs, err = newPosix("c:\\testdisk")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = fs.MakeVol("voldir")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = fs.AppendFile("voldir", "/file", []byte("hello"))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	err = fs.AppendFile("voldir", "/file/obj1", []byte("hello"))
+	winErr := "The system cannot find the path specified."
+	if !strings.Contains(err.Error(), winErr) {
+		t.Errorf("expected to recieve %s, but received %s", winErr, err.Error())
+	}
+}