Add tests for elasticsearch v6 client (cadence-workflow#5716)

* Add es v6 client test for new es v6 client method and index operations

common/elasticsearch/client/v6/client_test.go

@@ -0,0 +1,193 @@
+// The MIT License (MIT)
+
+// Copyright (c) 2017-2020 Uber Technologies Inc.
+
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package v6
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+
+	"github.com/olivere/elastic"
+	"github.com/stretchr/testify/assert"
+
+	"github.com/uber/cadence/common/config"
+	"github.com/uber/cadence/common/log/testlogger"
+)
+
+func TestNewV6Client(t *testing.T) {
+	logger := testlogger.New(t)
+	testServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer testServer.Close()
+	url, err := url.Parse(testServer.URL)
+	if err != nil {
+		t.Fatalf("Failed to parse bad URL: %v", err)
+	}
+
+	connectionConfig := &config.ElasticSearchConfig{
+		URL:                *url,
+		DisableSniff:       true,
+		DisableHealthCheck: true,
+	}
+	sharedClient := testServer.Client()
+	client, err := NewV6Client(connectionConfig, logger, sharedClient, sharedClient)
+	assert.NoError(t, err)
+	assert.NotNil(t, client)
+
+	// failed case due to an unreachable Elasticsearch server
+	badURL, err := url.Parse("http://nonexistent.elasticsearch.server:9200")
+	if err != nil {
+		t.Fatalf("Failed to parse bad URL: %v", err)
+	}
+	connectionConfig.DisableHealthCheck = false
+	connectionConfig.URL = *badURL
+	_, err = NewV6Client(connectionConfig, logger, nil, nil)
+	assert.Error(t, err)
+}
+
+func TestCreateIndex(t *testing.T) {
+	testServer := getTestServer(t)
+	defer testServer.Close()
+	// Create a new MockESClient
+	mockClient, err := elastic.NewClient(
+		elastic.SetURL(testServer.URL),
+		elastic.SetSniff(false),
+		elastic.SetHealthcheck(false),
+		elastic.SetHttpClient(testServer.Client()),
+	)
+	assert.NoError(t, err)
+
+	elasticV6 := ElasticV6{
+		client: mockClient,
+	}
+	err = elasticV6.CreateIndex(context.Background(), "testIndex")
+	assert.NoError(t, err)
+}
+
+func TestPutMapping(t *testing.T) {
+	testServer := getTestServer(t)
+	defer testServer.Close()
+	// Create a new MockESClient
+	mockClient, err := elastic.NewClient(
+		elastic.SetURL(testServer.URL),
+		elastic.SetSniff(false),
+		elastic.SetHealthcheck(false),
+		elastic.SetHttpClient(testServer.Client()))
+	assert.NoError(t, err)
+
+	elasticV6 := ElasticV6{
+		client: mockClient,
+	}
+	err = elasticV6.PutMapping(context.Background(), "testIndex", `{
+        "properties": {
+            "title": {
+                "type": "text"
+            },
+            "publish_date": {
+                "type": "date"
+            }
+        }
+    }`)
+	assert.NoError(t, err)
+}
+
+func TestCount(t *testing.T) {
+	testServer := getTestServer(t)
+	defer testServer.Close()
+	// Create a new MockESClient
+	mockClient, err := elastic.NewClient(
+		elastic.SetURL(testServer.URL),
+		elastic.SetSniff(false),
+		elastic.SetHealthcheck(false),
+		elastic.SetHttpClient(testServer.Client()))
+	assert.NoError(t, err)
+
+	elasticV6 := ElasticV6{
+		client: mockClient,
+	}
+	count, err := elasticV6.Count(context.Background(), "testIndex", `{"query":{"match":{"WorkflowID":"test-workflow-id"}}}`)
+	assert.NoError(t, err)
+	assert.Equal(t, int64(42), count)
+}
+
+func getTestServer(t *testing.T) *httptest.Server {
+	return httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Read the request body
+		body, err := io.ReadAll(r.Body)
+		if err != nil {
+			t.Fatalf("Failed to read request body: %v", err)
+		}
+		defer r.Body.Close()
+
+		switch r.URL.Path {
+		case "/testIndex":
+			if r.Method == "PUT" {
+				w.WriteHeader(http.StatusOK)
+				w.Write([]byte(`{"acknowledged": true}`))
+			}
+		case "/testIndex/_mapping/_doc":
+			if r.Method == "PUT" {
+				var receivedMapping map[string]interface{}
+				if err := json.Unmarshal(body, &receivedMapping); err != nil {
+					t.Fatalf("Failed to unmarshal request body: %v", err)
+				}
+
+				// Define expected mapping structurally
+				expectedMapping := map[string]interface{}{
+					"properties": map[string]interface{}{
+						"title": map[string]interface{}{
+							"type": "text",
+						},
+						"publish_date": map[string]interface{}{
+							"type": "date",
+						},
+					},
+				}
+
+				// Compare structurally
+				if !assert.Equal(t, expectedMapping, receivedMapping) {
+					w.WriteHeader(http.StatusBadRequest)
+					return
+				}
+
+				w.WriteHeader(http.StatusOK)
+				w.Write([]byte(`{"acknowledged": true}`))
+			}
+		case "/testIndex/_count":
+			expectedQuery := `{"query":{"match":{"WorkflowID":"test-workflow-id"}}}`
+			if string(body) != expectedQuery {
+				t.Fatalf("Expected query %s, got %s", expectedQuery, body)
+			}
+
+			w.WriteHeader(http.StatusOK)
+			w.Write([]byte(`{"count": 42}`))
+		default:
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+}