tsk-13: Retrieve scheduled message endpoint (#36)

Closes #13

Reviewed-on: phoenix/textsender-api#36
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/scheduled_message_test.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -28,8 +29,7 @@ func TestCreateScheduledMessageWithMock(t *testing.T) {
 	handler := NewScheduledMessageHandler(mockStore)
 
 	testUserId := uuid.New()
-	scheduled := now.Add(5 * time.Minute)
-	testBody := CreateScheduledMessageRequest{Status: scheduling.Pending, UserId: testUserId, Scheduled: scheduled}
+	testBody := testCreateScheduledMessageRequest(testUserId, now)
 	jsonValue, _ := json.Marshal(testBody)
 
 	req, _ := http.NewRequest("POST", endpoint.ScheduleMessageEndpoint, strings.NewReader(string(jsonValue)))
@@ -47,3 +47,38 @@ func TestCreateScheduledMessageWithMock(t *testing.T) {
 
 	assert.NotNil(t, response.Data[0].Id, "Id should not be nil")
 }
+
+func TestGetScheduledMessageWithMock(t *testing.T) {
+	now := time.Now()
+	mockStore := mock.NewMockScheduledMessageStore()
+
+	testUserId := uuid.New()
+	testBody := testCreateScheduledMessageRequest(testUserId, now)
+
+	ctx := t.Context()
+	schMsg := scheduling.ScheduledMessage{}
+	schMsg.Scheduled = testBody.Scheduled
+	schMsg.Status = testBody.Status
+	schMsg.UserId = testBody.UserId
+	if err := mockStore.CreateScheduledMessage(ctx, &schMsg); err != nil {
+		assert.NoError(t, err, "Error Creating message %v", err)
+	}
+
+	url := fmt.Sprintf("%s?id=%s&user_id=%s", endpoint.GetScheduledMessageEndpoint, schMsg.Id, schMsg.UserId)
+	req, _ := http.NewRequest("GET", url, nil)
+	rr := httptest.NewRecorder()
+
+	handler := NewScheduledMessageHandler(mockStore)
+	handler.GetScheduledMessage(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code)
+
+	var response GetScheduledMessageResponse
+	err := json.Unmarshal(rr.Body.Bytes(), &response)
+	assert.NoError(t, err, "Error parsing response %v", err)
+}
+
+func testCreateScheduledMessageRequest(userId uuid.UUID, now time.Time) CreateScheduledMessageRequest {
+	scheduled := now.Add(5 * time.Minute)
+	return CreateScheduledMessageRequest{Status: scheduling.Pending, UserId: userId, Scheduled: scheduled}
+}