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package core
import (
"finance/backend/internal/models"
"testing"
"time"
"github.com/stretchr/testify/assert"
"gorm.io/gorm"
)
// Mock goal for testing
func createTestGoal() *models.Goal {
return &models.Goal{
Model: gorm.Model{ID: 1, CreatedAt: time.Now().Add(-30 * 24 * time.Hour)}, // created 30 days ago
UserID: 1,
Name: "Test Goal",
TargetAmount: 10000,
CurrentAmount: 3000,
Status: "Active",
TargetDate: time.Now().Add(60 * 24 * time.Hour), // due in 60 days
}
}
// TestCalculateGoalProgress tests the goal progress calculation logic
func TestCalculateGoalProgress(t *testing.T) {
// Create a test service
service := &GoalService{}
// Test with a goal that's on track
goal := createTestGoal()
progress, err := service.calculateGoalProgress(goal)
assert.NoError(t, err)
assert.NotNil(t, progress)
// Verify calculations
assert.Equal(t, int64(7000), progress.AmountRemaining)
assert.InDelta(t, 30.0, progress.PercentComplete, 0.1)
// Should have around 60 days remaining (might vary slightly based on test execution time)
assert.True(t, progress.DaysRemaining > 55 && progress.DaysRemaining <= 61)
// Test required amounts
assert.True(t, progress.RequiredPerDay > 0)
assert.True(t, progress.RequiredPerMonth > 0)
// Verify on track status - goal is at 30% completion, we're 1/3 through the time period
// so it should be on track
assert.True(t, progress.OnTrack)
// Test with a goal that's behind
goal.CurrentAmount = 1000 // only 10% complete after 1/3 of the time
progress, err = service.calculateGoalProgress(goal)
assert.NoError(t, err)
assert.NotNil(t, progress)
assert.False(t, progress.OnTrack)
// Test with a goal that has no target date
goal = createTestGoal()
goal.TargetDate = time.Time{} // zero time
progress, err = service.calculateGoalProgress(goal)
assert.NoError(t, err)
assert.NotNil(t, progress)
assert.True(t, progress.OnTrack) // should be on track if any progress made
assert.Equal(t, 0, progress.DaysRemaining)
// Test with a goal whose target date has passed
goal = createTestGoal()
goal.TargetDate = time.Now().Add(-10 * 24 * time.Hour) // 10 days ago
progress, err = service.calculateGoalProgress(goal)
assert.NoError(t, err)
assert.NotNil(t, progress)
assert.Equal(t, 0, progress.DaysRemaining)
// Not on track if target amount not reached
assert.False(t, progress.OnTrack)
// But should be on track if target amount reached despite date passed
goal.CurrentAmount = goal.TargetAmount
progress, err = service.calculateGoalProgress(goal)
assert.NoError(t, err)
assert.True(t, progress.OnTrack)
}
// TestUpdateGoalFromTransactions tests updating a goal based on transactions
func TestUpdateGoalFromTransactions(t *testing.T) {
// This test would need a mock database to be fully implemented
// Here's a placeholder for when DB mocking is available
/*
// Setup a mock DB
db, mock := setupMockDB(t)
service := &GoalService{db: db}
// Setup expectations
goalID := uint(1)
userID := uint(1)
// Expect a query to fetch the goal
mock.ExpectQuery(`SELECT * FROM "goals" WHERE "id" = ?`).
WithArgs(goalID).
WillReturnRows(sqlmock.NewRows([]string{"id", "user_id", "name", "target_amount", "current_amount", "status"}).
AddRow(goalID, userID, "Test Goal", 10000, 0, "Active"))
// Expect a query to fetch transactions
mock.ExpectQuery(`SELECT * FROM "transactions" WHERE "user_id" = ? AND "category" = ?`).
WithArgs(userID, "Goal:1").
WillReturnRows(sqlmock.NewRows([]string{"id", "user_id", "amount", "type", "category"}).
AddRow(1, userID, 500, "Income", "Goal:1").
AddRow(2, userID, 300, "Income", "Goal:1").
AddRow(3, userID, 200, "Expense", "Goal:1"))
// Expect an update to the goal
mock.ExpectBegin()
mock.ExpectExec(`UPDATE "goals" SET`).
WithArgs(600, "Active", goalID). // 500 + 300 - 200 = 600
WillReturnResult(sqlmock.NewResult(1, 1))
mock.ExpectCommit()
// Run the test
err := service.UpdateGoalFromTransactions(goalID)
assert.NoError(t, err)
*/
}
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