make notification as separate package (#5294)

* Remove old notification files

* Add net package

* Add event package

* Modify minio to take new notification system

pkg/event/targetid_test.go

@@ -0,0 +1,117 @@
+/*
+ * Minio Cloud Storage, (C) 2018 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 event
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestTargetDString(t *testing.T) {
+	testCases := []struct {
+		tid            TargetID
+		expectedResult string
+	}{
+		{TargetID{}, ":"},
+		{TargetID{"1", "webhook"}, "1:webhook"},
+		{TargetID{"httpclient+2e33cdee-fbec-4bdd-917e-7d8e3c5a2531", "localhost:55638"}, "httpclient+2e33cdee-fbec-4bdd-917e-7d8e3c5a2531:localhost:55638"},
+	}
+
+	for i, testCase := range testCases {
+		result := testCase.tid.String()
+
+		if result != testCase.expectedResult {
+			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.expectedResult, result)
+		}
+	}
+}
+
+func TestTargetDToARN(t *testing.T) {
+	tid := TargetID{"1", "webhook"}
+	testCases := []struct {
+		tid         TargetID
+		region      string
+		expectedARN ARN
+	}{
+		{tid, "", ARN{TargetID: tid, region: ""}},
+		{tid, "us-east-1", ARN{TargetID: tid, region: "us-east-1"}},
+	}
+
+	for i, testCase := range testCases {
+		arn := testCase.tid.ToARN(testCase.region)
+
+		if arn != testCase.expectedARN {
+			t.Fatalf("test %v: ARN: expected: %v, got: %v", i+1, testCase.expectedARN, arn)
+		}
+	}
+}
+
+func TestTargetDMarshalJSON(t *testing.T) {
+	testCases := []struct {
+		tid          TargetID
+		expectedData []byte
+		expectErr    bool
+	}{
+		{TargetID{}, []byte(`":"`), false},
+		{TargetID{"1", "webhook"}, []byte(`"1:webhook"`), false},
+		{TargetID{"httpclient+2e33cdee-fbec-4bdd-917e-7d8e3c5a2531", "localhost:55638"}, []byte(`"httpclient+2e33cdee-fbec-4bdd-917e-7d8e3c5a2531:localhost:55638"`), false},
+	}
+
+	for i, testCase := range testCases {
+		data, err := testCase.tid.MarshalJSON()
+		expectErr := (err != nil)
+
+		if expectErr != testCase.expectErr {
+			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
+		}
+
+		if !testCase.expectErr {
+			if !reflect.DeepEqual(data, testCase.expectedData) {
+				t.Fatalf("test %v: data: expected: %v, got: %v", i+1, string(testCase.expectedData), string(data))
+			}
+		}
+	}
+}
+
+func TestTargetDUnmarshalJSON(t *testing.T) {
+	testCases := []struct {
+		data             []byte
+		expectedTargetID *TargetID
+		expectErr        bool
+	}{
+		{[]byte(`""`), nil, true},
+		{[]byte(`"httpclient+2e33cdee-fbec-4bdd-917e-7d8e3c5a2531:localhost:55638"`), nil, true},
+		{[]byte(`":"`), &TargetID{}, false},
+		{[]byte(`"1:webhook"`), &TargetID{"1", "webhook"}, false},
+	}
+
+	for i, testCase := range testCases {
+		targetID := &TargetID{}
+		err := targetID.UnmarshalJSON(testCase.data)
+		expectErr := (err != nil)
+
+		if expectErr != testCase.expectErr {
+			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
+		}
+
+		if !testCase.expectErr {
+			if *targetID != *testCase.expectedTargetID {
+				t.Fatalf("test %v: TargetID: expected: %v, got: %v", i+1, testCase.expectedTargetID, targetID)
+			}
+		}
+	}
+}