Import quick key value store from Minio Client for persistent state files, primarily for donut

pkg/quick/quick_test.go

@@ -0,0 +1,145 @@
+/*
+ * Quick - Quick key value store for config files and persistent state files
+ *
+ * Minio Client (C) 2015 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 quick
+
+import (
+	"os"
+	"testing"
+
+	. "github.com/minio/check"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func (s *MySuite) TestCheckData(c *C) {
+	err := CheckData(nil)
+	c.Assert(err, Not(IsNil))
+
+	type myStructBad struct {
+		User     string
+		Password string
+		Folders  []string
+	}
+	saveMeBad := myStructBad{"guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	err = CheckData(&saveMeBad)
+	c.Assert(err, Not(IsNil))
+
+	type myStructGood struct {
+		Version  string
+		User     string
+		Password string
+		Folders  []string
+	}
+
+	saveMeGood := myStructGood{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	err = CheckData(&saveMeGood)
+	c.Assert(err, IsNil)
+}
+
+func (s *MySuite) TestSaveLoad(c *C) {
+	defer os.RemoveAll("test.json")
+	type myStruct struct {
+		Version  string
+		User     string
+		Password string
+		Folders  []string
+	}
+	saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	config, err := New(&saveMe)
+	c.Assert(err, IsNil)
+	c.Assert(config, Not(IsNil))
+	config.Save("test.json")
+
+	loadMe := myStruct{Version: "1"}
+	newConfig, err := New(&loadMe)
+	c.Assert(err, IsNil)
+	c.Assert(newConfig, Not(IsNil))
+	newConfig.Load("test.json")
+
+	c.Assert(config.Data(), DeepEquals, newConfig.Data())
+	c.Assert(config.Data(), DeepEquals, &loadMe)
+
+	mismatch := myStruct{"1.1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	c.Assert(newConfig.Data(), Not(DeepEquals), &mismatch)
+}
+
+func (s *MySuite) TestDiff(c *C) {
+	type myStruct struct {
+		Version  string
+		User     string
+		Password string
+		Folders  []string
+	}
+	saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	config, err := New(&saveMe)
+	c.Assert(err, IsNil)
+	c.Assert(config, Not(IsNil))
+
+	type myNewStruct struct {
+		Version string
+		// User     string
+		Password string
+		Folders  []string
+	}
+
+	mismatch := myNewStruct{"1", "nopassword", []string{"Work", "documents", "Music"}}
+	newConfig, err := New(&mismatch)
+	c.Assert(err, IsNil)
+	c.Assert(newConfig, Not(IsNil))
+
+	fields, ok := config.Diff(newConfig)
+	c.Assert(ok, IsNil)
+	c.Assert(len(fields), Equals, 1)
+
+	// Uncomment for debugging
+	//	for i, field := range fields {
+	//		fmt.Printf("Diff[%d]: %s=%v\n", i, field.Name(), field.Value())
+	//	}
+}
+
+func (s *MySuite) TestDeepDiff(c *C) {
+	type myStruct struct {
+		Version  string
+		User     string
+		Password string
+		Folders  []string
+	}
+	saveMe := myStruct{"1", "guest", "nopassword", []string{"Work", "Documents", "Music"}}
+	config, err := New(&saveMe)
+	c.Assert(err, IsNil)
+	c.Assert(config, Not(IsNil))
+
+	mismatch := myStruct{"1", "Guest", "nopassword", []string{"Work", "documents", "Music"}}
+	newConfig, err := New(&mismatch)
+	c.Assert(err, IsNil)
+	c.Assert(newConfig, Not(IsNil))
+
+	fields, err := config.DeepDiff(newConfig)
+	c.Assert(err, IsNil)
+	c.Assert(len(fields), Equals, 2)
+
+	// Uncomment for debugging
+	//	for i, field := range fields {
+	//		fmt.Printf("DeepDiff[%d]: %s=%v\n", i, field.Name(), field.Value())
+	//	}
+}