func TestListExpenses(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
_, err := fabricate.Expense(tx).Description("Important Expense").Exec()
assert.MustBeNil(t, err)
expenses, err := service.ListExpenses(logger.Discard, tx)
assert.MustBeNil(t, err)
assert.MustBeEqual(t, 1, len(expenses))
assert.Equal(t, "Important Expense", expenses[0].Description)
}
func TestCreateExpense_Validation(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
_, err := service.CreateExpense(logger.Discard, tx, service.CreateExpenseParams{
Description: "",
Amount: 0,
})
assert.MustBeEqual(t, "ValidationError: Description: must be present, Amount: must be greater than 0", err.Error())
cnt, err := db.CountExpenses(tx)
assert.MustBeNil(t, err)
assert.Equal(t, 0, cnt)
}
func TestCreateExpense_Success(t *testing.T) {
tx := dbtest.BeginTx()
defer tx.Rollback()
expense, err := service.CreateExpense(logger.Discard, tx, service.CreateExpenseParams{
Description: "Peter Lustig",
Amount: 42,
})
assert.MustBeNil(t, err)
assert.Equal(t, "Peter Lustig", expense.Description)
assert.Equal(t, 42, expense.Amount)
cnt, err := db.CountExpenses(tx)
assert.MustBeNil(t, err)
assert.Equal(t, 1, cnt)
}