98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package service
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import (
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"database/sql"
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"testing"
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"time"
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"github.com/daniil/homelab-api/internal/model"
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)
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func TestCalculateInterestForDeposit_NotDeposit(t *testing.T) {
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s := &InterestService{}
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deposit := &model.SavingsCategory{IsDeposit: false}
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result, err := s.CalculateInterestForDeposit(deposit)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if result != "" {
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t.Errorf("expected empty result for non-deposit, got %q", result)
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}
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}
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func TestCalculateInterestForDeposit_ZeroRate(t *testing.T) {
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s := &InterestService{}
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deposit := &model.SavingsCategory{IsDeposit: true, InterestRate: 0}
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result, err := s.CalculateInterestForDeposit(deposit)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if result != "" {
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t.Errorf("expected empty result for zero rate, got %q", result)
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}
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}
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func TestCalculateInterestForDeposit_NoStartDate(t *testing.T) {
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s := &InterestService{}
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deposit := &model.SavingsCategory{
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IsDeposit: true,
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InterestRate: 10,
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DepositStartDate: sql.NullTime{Valid: false},
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}
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_, err := s.CalculateInterestForDeposit(deposit)
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if err == nil {
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t.Error("expected error for missing start date")
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}
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}
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func TestCalculateInterestForDeposit_ExpiredDeposit(t *testing.T) {
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s := &InterestService{}
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deposit := &model.SavingsCategory{
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IsDeposit: true,
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InterestRate: 10,
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DepositTerm: 3, // 3 months
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DepositStartDate: sql.NullTime{
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Time: time.Now().AddDate(0, -6, 0), // 6 months ago
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Valid: true,
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},
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}
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result, err := s.CalculateInterestForDeposit(deposit)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if result != "" {
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t.Errorf("expected empty result for expired deposit, got %q", result)
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}
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}
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func TestCalculateInterestForDeposit_WrongDay(t *testing.T) {
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s := &InterestService{}
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// Start date with day that is NOT today
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// We pick a day that will never be today unless very lucky
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today := time.Now()
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// Pick a start day that differs from today
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startDay := today.Day() + 1
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if startDay > 28 {
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startDay = 1
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}
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startDate := time.Date(today.Year()-1, today.Month(), startDay, 0, 0, 0, 0, time.UTC)
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deposit := &model.SavingsCategory{
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Name: "Test",
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IsDeposit: true,
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InterestRate: 12,
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DepositStartDate: sql.NullTime{
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Time: startDate,
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Valid: true,
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},
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}
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// Should return empty string (not today's interest day) — no DB call
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result, err := s.CalculateInterestForDeposit(deposit)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if result != "" {
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t.Errorf("expected empty result for non-interest day, got %q", result)
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}
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}
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