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package handlers
import (
"bytes"
"encoding/json"
"errors"
"finance/backend/internal/database"
"net/http"
"net/http/httptest"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
"gorm.io/gorm"
)
// setupTest sets up the test environment
func setupTest() (*gin.Context, *httptest.ResponseRecorder) {
gin.SetMode(gin.TestMode)
w := httptest.NewRecorder()
c, _ := gin.CreateTestContext(w)
c.Set("userID", uint(1))
return c, w
}
// Test basic functionality of GetGoals
func TestGetGoals(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
req := httptest.NewRequest("GET", "/goals", nil)
c.Request = req
handler := NewGoalHandler()
handler.GetGoals(c)
assert.Equal(t, http.StatusOK, w.Code)
}
// Test basic functionality of GetGoal
func TestGetGoal(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
c.Params = []gin.Param{{Key: "id", Value: "1"}}
req := httptest.NewRequest("GET", "/goals/1", nil)
c.Request = req
handler := NewGoalHandler()
handler.GetGoal(c)
assert.Equal(t, http.StatusOK, w.Code)
}
// Test basic functionality of CreateGoal
func TestCreateGoal(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
input := CreateGoalInput{
Name: "Test Goal",
TargetAmount: 1000,
CurrentAmount: 500,
TargetDate: "2023-12-31",
Status: "Active",
}
inputJSON, _ := json.Marshal(input)
req := httptest.NewRequest("POST", "/goals", bytes.NewBuffer(inputJSON))
req.Header.Set("Content-Type", "application/json")
c.Request = req
handler := NewGoalHandler()
handler.CreateGoal(c)
assert.Equal(t, http.StatusCreated, w.Code)
}
// Test basic functionality of UpdateGoal
func TestUpdateGoal(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
c.Params = []gin.Param{{Key: "id", Value: "1"}}
input := UpdateGoalInput{
Name: "Updated Goal",
TargetAmount: 2000,
CurrentAmount: 1000,
Status: "Active",
}
inputJSON, _ := json.Marshal(input)
req := httptest.NewRequest("PUT", "/goals/1", bytes.NewBuffer(inputJSON))
req.Header.Set("Content-Type", "application/json")
c.Request = req
handler := NewGoalHandler()
handler.UpdateGoal(c)
assert.Equal(t, http.StatusOK, w.Code)
}
// Test basic functionality of UpdateGoalProgress
func TestUpdateGoalProgress(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
c.Params = []gin.Param{{Key: "id", Value: "1"}}
input := UpdateGoalProgressInput{
CurrentAmount: 750,
}
inputJSON, _ := json.Marshal(input)
req := httptest.NewRequest("PATCH", "/goals/1/progress", bytes.NewBuffer(inputJSON))
req.Header.Set("Content-Type", "application/json")
c.Request = req
handler := NewGoalHandler()
handler.UpdateGoalProgress(c)
assert.Equal(t, http.StatusOK, w.Code)
}
// Test basic functionality of DeleteGoal
func TestDeleteGoal(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns success
mockDB := &gorm.DB{
Error: nil,
}
database.DB = mockDB
c, w := setupTest()
c.Params = []gin.Param{{Key: "id", Value: "1"}}
req := httptest.NewRequest("DELETE", "/goals/1", nil)
c.Request = req
handler := NewGoalHandler()
handler.DeleteGoal(c)
assert.Equal(t, http.StatusOK, w.Code)
}
// Test error cases for each handler
func TestErrorCases(t *testing.T) {
// Save and restore the original DB
originalDB := database.DB
defer func() {
database.DB = originalDB
}()
// Replace with a DB that returns an error
mockDB := &gorm.DB{
Error: errors.New("database error"),
}
database.DB = mockDB
// Test GetGoals with database error
t.Run("GetGoals_DBError", func(t *testing.T) {
c, w := setupTest()
req := httptest.NewRequest("GET", "/goals", nil)
c.Request = req
handler := NewGoalHandler()
handler.GetGoals(c)
assert.Equal(t, http.StatusInternalServerError, w.Code)
})
// Test GetGoal with database error
t.Run("GetGoal_DBError", func(t *testing.T) {
c, w := setupTest()
c.Params = []gin.Param{{Key: "id", Value: "1"}}
req := httptest.NewRequest("GET", "/goals/1", nil)
c.Request = req
handler := NewGoalHandler()
handler.GetGoal(c)
assert.Equal(t, http.StatusNotFound, w.Code)
})
// Test CreateGoal with database error
t.Run("CreateGoal_DBError", func(t *testing.T) {
c, w := setupTest()
input := CreateGoalInput{
Name: "Test Goal",
TargetAmount: 1000,
CurrentAmount: 500,
}
inputJSON, _ := json.Marshal(input)
req := httptest.NewRequest("POST", "/goals", bytes.NewBuffer(inputJSON))
req.Header.Set("Content-Type", "application/json")
c.Request = req
handler := NewGoalHandler()
handler.CreateGoal(c)
assert.Equal(t, http.StatusInternalServerError, w.Code)
})
}
|
