tsk-12: Added endpoint to get message (#18)

Closes #12

Reviewed-on: phoenix/textsender-api#18
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/message_test.go

@@ -2,11 +2,13 @@ package handler
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
 	"testing"
 
+	"git.kundeng.us/phoenix/textsender-models/pkg/message"
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 
@@ -41,3 +43,32 @@ func TestCreateMessageWithMock(t *testing.T) {
 
 	assert.NotNil(t, response.Data[0].Id, "Id should not be nil")
 }
+
+func TestGetMessageWithMock(t *testing.T) {
+	mockstore := NewMockMessageStore()
+	testUserId := uuid.New()
+
+	testCon := message.Message{Content: "Who is the one that benefits?", UserId: testUserId}
+	ctx := t.Context()
+	if err := mockstore.CreateMessage(ctx, &testCon); err != nil {
+		assert.NoError(t, err, "Error creating message")
+		return
+	}
+
+	url := fmt.Sprintf("%s?user_id=%s", endpoint.GET_MESSAGE, testCon.UserId)
+	req, _ := http.NewRequest("GET", url, nil)
+	rr := httptest.NewRecorder()
+
+	messageHandler := NewMessageHandler(mockstore)
+	messageHandler.GetMessage(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code)
+
+	var response GetMessageResponse
+	err := json.Unmarshal(rr.Body.Bytes(), &response)
+	assert.NoError(t, err, "Error getting message %v", err)
+
+	assert.NotEmpty(t, response.Data, "No Message retrieved")
+
+	assert.NotNil(t, response.Data[0].Id, "Id should not be nil")
+}