iodine is part of minio now

pkg/iodine/iodine_test.go

@@ -0,0 +1,103 @@
+/*
+ * Iodine, (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 iodine
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+
+	"encoding/json"
+)
+
+func TestIodine(t *testing.T) {
+	iodineError := New(errors.New("Hello"), nil)
+	iodineError = New(iodineError, nil)
+	iodineError = New(iodineError, nil)
+	iodineError = New(iodineError, nil)
+
+	switch typedError := iodineError.(type) {
+	case Error:
+		{
+			// Visually watch out for formating errors
+			fmt.Println(typedError.EmitHumanReadable())
+
+			if len(typedError.Stack) != 4 {
+				t.Fail()
+			}
+			_, err := json.MarshalIndent(typedError, "", "  ")
+			if err != nil {
+				t.Fail()
+			}
+		}
+	default:
+		{
+			t.Fail()
+		}
+	}
+}
+
+func TestState(t *testing.T) {
+	SetGlobalState("hello", "world")
+	result := GetGlobalStateKey("hello")
+	if result != "world" {
+		t.Error("global state not set: hello->world")
+		t.Fail()
+	}
+	ClearGlobalState()
+	if len(GetGlobalState()) != 0 {
+		t.Fail()
+	}
+	SetGlobalState("foo", "bar")
+	err := New(errors.New("a simple error"), nil)
+	switch typedError := err.(type) {
+	case Error:
+		{
+			if res, ok := typedError.Stack[0].Data["foo"]; ok {
+				if res != "bar" {
+					t.Error("global state not set: foo->bar")
+				}
+			} else {
+				t.Fail()
+			}
+			typedError = New(typedError, map[string]string{"foo2": "bar2"}).(Error)
+			if res, ok := typedError.Stack[0].Data["foo"]; ok {
+				if res != "bar" {
+					t.Error("annotate should not modify previous data entries")
+				}
+			} else {
+				t.Error("annotate should not remove previous data entries")
+			}
+			if res, ok := typedError.Stack[1].Data["foo"]; ok {
+				if res != "bar" {
+					t.Error("global state should set value properly in annotate")
+				}
+			} else {
+				t.Error("global state should set key properly in annotate")
+			}
+			if res, ok := typedError.Stack[1].Data["foo2"]; ok {
+				if res != "bar2" {
+					//					typedError = Error(typedError, nil).(WrappedError)
+					t.Error("foo2 -> bar should be set")
+				}
+			} else {
+				//				typedError = Error(typedError, nil).(WrappedError)
+				t.Error("foo2 should be set")
+			}
+		}
+	}
+}