101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
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package email
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import (
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"context"
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"fmt"
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"sync"
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)
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// MockSender records calls and returns configurable results (for tests and local dev).
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type MockSender struct {
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name string
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sort int
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mu sync.Mutex
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calls []*Message
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Err error
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MessageID string
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SendHook func(ctx context.Context, msg *Message) (string, error)
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}
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type MockSenderOption func(*MockSender)
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func WithMockName(name string) MockSenderOption {
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return func(m *MockSender) { m.name = name }
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}
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func WithMockSort(sort int) MockSenderOption {
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return func(m *MockSender) { m.sort = sort }
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}
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func WithMockError(err error) MockSenderOption {
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return func(m *MockSender) { m.Err = err }
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}
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func WithMockMessageID(id string) MockSenderOption {
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return func(m *MockSender) { m.MessageID = id }
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}
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func NewMockSender(opts ...MockSenderOption) *MockSender {
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m := &MockSender{
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name: "mock",
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sort: 0,
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MessageID: "mock-email-id",
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}
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for _, opt := range opts {
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opt(m)
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}
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return m
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}
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func (m *MockSender) Name() string { return m.name }
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func (m *MockSender) Sort() int { return m.sort }
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func (m *MockSender) Send(ctx context.Context, msg *Message) (string, error) {
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m.mu.Lock()
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m.calls = append(m.calls, msg)
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m.mu.Unlock()
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if m.SendHook != nil {
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return m.SendHook(ctx, msg)
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}
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if m.Err != nil {
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return "", m.Err
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}
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return m.MessageID, nil
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}
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func (m *MockSender) Calls() []*Message {
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m.mu.Lock()
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defer m.mu.Unlock()
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out := make([]*Message, len(m.calls))
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copy(out, m.calls)
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return out
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}
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func (m *MockSender) Reset() {
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m.mu.Lock()
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defer m.mu.Unlock()
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m.calls = nil
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}
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// ErrSender is a Sender that always fails (helper for tests).
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func ErrSender(name string, sort int, err error) Sender {
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return &staticErrSender{name: name, sort: sort, err: err}
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}
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type staticErrSender struct {
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name string
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sort int
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err error
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}
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func (s *staticErrSender) Name() string { return s.name }
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func (s *staticErrSender) Sort() int { return s.sort }
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func (s *staticErrSender) Send(context.Context, *Message) (string, error) {
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if s.err != nil {
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return "", s.err
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}
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return "", fmt.Errorf("%s: send failed", s.name)
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}
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