91 lines
2.1 KiB
Go
91 lines
2.1 KiB
Go
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package mail
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import (
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"errors"
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"net/smtp"
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"strings"
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"testing"
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)
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func TestNewDynamicResolvesOnEachCall(t *testing.T) {
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calls := 0
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m := NewDynamic(func() (Config, error) {
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calls++
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return Config{
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Enabled: true,
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Host: "smtp.example.com",
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Port: "587",
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From: "noreply@example.com",
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}, nil
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})
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if !m.Enabled() {
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t.Fatal("expected enabled")
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}
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if calls != 1 {
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t.Fatalf("calls=%d", calls)
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}
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prev := smtpSendMail
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smtpSendMail = func(addr string, auth smtp.Auth, from string, to []string, msg []byte) error {
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return nil
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}
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t.Cleanup(func() { smtpSendMail = prev })
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if err := m.Send(Message{To: "a@example.com", Subject: "hi", Text: "body"}); err != nil {
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t.Fatal(err)
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}
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if calls != 2 {
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t.Fatalf("expected second resolve on Send, calls=%d", calls)
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}
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}
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func TestNewDynamicDisabledIsNoop(t *testing.T) {
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m := NewDynamic(func() (Config, error) {
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return Config{Enabled: false}, nil
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})
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if m.Enabled() {
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t.Fatal("expected disabled")
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}
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if err := m.Send(Message{To: "a@b.c", Subject: "x", Text: "y"}); err != nil {
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t.Fatal(err)
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}
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}
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func TestRequireConfiguredErrorsWhenOff(t *testing.T) {
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m := RequireConfigured(NewDynamic(func() (Config, error) {
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return Config{}, nil
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}))
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err := m.Send(Message{To: "a@b.c", Subject: "x", Text: "y"})
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if !errors.Is(err, ErrNotConfigured) {
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t.Fatalf("got %v", err)
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}
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}
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func TestConfigFromPartsDefaultPort(t *testing.T) {
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cfg := ConfigFromParts(true, "h", "", "u", "p", "f@x")
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if cfg.Port != "587" {
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t.Fatalf("port=%q", cfg.Port)
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}
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if !cfg.Enabled || cfg.Host != "h" || !strings.Contains(cfg.From, "@") {
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t.Fatalf("%+v", cfg)
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}
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}
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func TestApplyDryRunDisablesSend(t *testing.T) {
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live := ConfigFromParts(true, "smtp.example.com", "587", "u", "p", "from@example.com")
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dry := ApplyDryRun(true, live)
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if dry.Enabled {
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t.Fatal("dry-run must force Enabled=false")
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}
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if dry.Host != "smtp.example.com" {
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t.Fatalf("host should be preserved, got %q", dry.Host)
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}
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if ApplyDryRun(false, live).Enabled != true {
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t.Fatal("dry-run=false must leave Enabled intact")
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}
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m := New(dry)
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if m.Enabled() {
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t.Fatal("New(ApplyDryRun(...)) must be noop")
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}
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}
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