feat: mail service
This commit is contained in:
Ilia Denisov
@@ -0,0 +1,466 @@
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package streamcommand
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import (
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"encoding/base64"
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"encoding/json"
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"testing"
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"time"
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"galaxy/mail/internal/domain/common"
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deliverydomain "galaxy/mail/internal/domain/delivery"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDecodeCommandSuccessRendered(t *testing.T) {
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t.Parallel()
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command, err := DecodeCommand(validRenderedFields(t))
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require.NoError(t, err)
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require.Equal(t, Command{
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DeliveryID: common.DeliveryID("mail-123"),
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Source: deliverydomain.SourceNotification,
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PayloadMode: deliverydomain.PayloadModeRendered,
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IdempotencyKey: common.IdempotencyKey("notification:mail-123"),
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RequestedAt: mustUnixMilli(1_775_121_700_000),
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RequestID: "req-123",
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TraceID: "trace-123",
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Envelope: deliverydomain.Envelope{
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To: []common.Email{"pilot@example.com"},
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Cc: []common.Email{},
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Bcc: []common.Email{},
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ReplyTo: []common.Email{"noreply@example.com"},
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},
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Attachments: []Attachment{
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{
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Filename: "report.txt",
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ContentType: "text/plain",
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ContentBase64: base64.StdEncoding.EncodeToString([]byte("report")),
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SizeBytes: 6,
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},
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},
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Subject: "Turn ready",
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TextBody: "Turn 54 is ready.",
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HTMLBody: "<p>Turn 54 is ready.</p>",
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}, command)
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}
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func TestDecodeCommandSuccessTemplate(t *testing.T) {
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t.Parallel()
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command, err := DecodeCommand(validTemplateFields(t))
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require.NoError(t, err)
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require.Equal(t, common.TemplateID("game.turn_ready"), command.TemplateID)
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require.Equal(t, common.Locale("fr-FR"), command.Locale)
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require.Equal(t, map[string]any{
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"turn_number": float64(54),
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"player": map[string]any{
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"name": "Pilot",
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},
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}, command.Variables)
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require.Empty(t, command.Subject)
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require.Empty(t, command.TextBody)
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}
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func TestDecodeCommandRejectsInvalidEntry(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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fields map[string]any
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wantErr string
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}{
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{
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name: "missing required field",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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delete(fields, fieldDeliveryID)
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return fields
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}(t),
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wantErr: "missing required fields: delivery_id",
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},
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{
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name: "unsupported field",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields["extra"] = "value"
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return fields
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}(t),
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wantErr: "unsupported fields: extra",
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},
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{
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name: "non string field",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldDeliveryID] = 42
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return fields
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}(t),
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wantErr: `stream field "delivery_id" must be a string`,
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},
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{
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name: "invalid requested at",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldRequestedAtMS] = "not-a-timestamp"
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return fields
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}(t),
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wantErr: `stream field "requested_at_ms" must be a base-10 Unix milliseconds string`,
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},
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{
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name: "unsupported source",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldSource] = "operator_resend"
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return fields
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}(t),
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wantErr: `stream command source "operator_resend" is unsupported`,
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},
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{
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name: "unsupported payload mode",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadMode] = "unknown"
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return fields
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}(t),
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wantErr: `stream field "payload_mode" value "unknown" is unsupported`,
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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_, err := DecodeCommand(tt.fields)
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require.Error(t, err)
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assert.ErrorContains(t, err, tt.wantErr)
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})
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}
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}
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func TestDecodeCommandRejectsInvalidPayload(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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fields map[string]any
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wantErr string
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}{
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{
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name: "payload must be object",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = `[]`
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return fields
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}(t),
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wantErr: "decode payload_json",
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},
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{
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name: "rendered payload unknown field",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"attachments": []map[string]any{},
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"template_id": "game.turn_ready",
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})
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return fields
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}(t),
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wantErr: "unknown field",
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},
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{
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name: "trailing json input",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = validRenderedPayloadJSON(t) + `{}`
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return fields
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}(t),
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wantErr: "unexpected trailing JSON input",
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},
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{
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name: "empty recipients",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"attachments": []map[string]any{},
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})
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return fields
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}(t),
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wantErr: "must contain at least one recipient",
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},
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{
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name: "invalid locale",
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fields: func(t *testing.T) map[string]any {
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fields := validTemplateFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"template_id": "game.turn_ready",
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"locale": "english",
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"variables": map[string]any{},
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"attachments": []map[string]any{},
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})
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return fields
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}(t),
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wantErr: "payload_json.locale:",
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},
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{
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name: "variables must be object",
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fields: func(t *testing.T) map[string]any {
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fields := validTemplateFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"template_id": "game.turn_ready",
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"locale": "fr-FR",
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"variables": []string{"not", "object"},
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"attachments": []map[string]any{},
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})
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return fields
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}(t),
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wantErr: "decode payload_json.variables",
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},
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{
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name: "invalid attachment base64",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"attachments": []map[string]any{
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{
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"filename": "report.txt",
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"content_type": "text/plain",
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"content_base64": "!@#",
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},
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},
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})
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return fields
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}(t),
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wantErr: "content_base64 must be valid base64",
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},
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{
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name: "too many attachments",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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attachments := make([]map[string]any, 0, MaxAttachments+1)
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for index := 0; index < MaxAttachments+1; index++ {
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attachments = append(attachments, map[string]any{
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"filename": "report.txt",
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"content_type": "text/plain",
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"content_base64": base64.StdEncoding.EncodeToString([]byte("a")),
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})
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}
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"attachments": attachments,
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})
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return fields
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}(t),
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wantErr: "must contain at most 5 entries",
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},
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{
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name: "encoded attachment payload limit exceeded",
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fields: func(t *testing.T) map[string]any {
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fields := validRenderedFields(t)
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fields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"attachments": []map[string]any{{
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"filename": "report.txt",
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"content_type": "text/plain",
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"content_base64": oversizedBase64(),
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}},
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})
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return fields
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}(t),
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wantErr: "encoded attachment payload must not exceed",
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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_, err := DecodeCommand(tt.fields)
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require.Error(t, err)
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assert.ErrorContains(t, err, tt.wantErr)
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})
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}
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}
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func TestCommandFingerprintIgnoresTracingFields(t *testing.T) {
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t.Parallel()
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first, err := DecodeCommand(validRenderedFields(t))
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require.NoError(t, err)
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secondFields := validRenderedFields(t)
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secondFields[fieldRequestID] = "req-456"
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secondFields[fieldTraceID] = "trace-456"
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second, err := DecodeCommand(secondFields)
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require.NoError(t, err)
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firstFingerprint, err := first.Fingerprint()
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require.NoError(t, err)
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secondFingerprint, err := second.Fingerprint()
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require.NoError(t, err)
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require.Equal(t, firstFingerprint, secondFingerprint)
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}
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func TestCommandFingerprintChangesForBusinessFields(t *testing.T) {
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t.Parallel()
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first, err := DecodeCommand(validRenderedFields(t))
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require.NoError(t, err)
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secondFields := validRenderedFields(t)
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secondFields[fieldPayloadJSON] = mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{"noreply@example.com"},
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"subject": "Different subject",
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"text_body": "Turn 54 is ready.",
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"html_body": "<p>Turn 54 is ready.</p>",
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"attachments": []map[string]any{{"filename": "report.txt", "content_type": "text/plain", "content_base64": base64.StdEncoding.EncodeToString([]byte("report"))}},
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})
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second, err := DecodeCommand(secondFields)
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require.NoError(t, err)
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firstFingerprint, err := first.Fingerprint()
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require.NoError(t, err)
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secondFingerprint, err := second.Fingerprint()
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require.NoError(t, err)
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require.NotEqual(t, firstFingerprint, secondFingerprint)
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}
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func validRenderedFields(t *testing.T) map[string]any {
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t.Helper()
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return map[string]any{
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fieldDeliveryID: "mail-123",
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fieldSource: "notification",
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fieldPayloadMode: "rendered",
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fieldIdempotency: "notification:mail-123",
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fieldRequestedAtMS: "1775121700000",
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fieldRequestID: "req-123",
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fieldTraceID: "trace-123",
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fieldPayloadJSON: validRenderedPayloadJSON(t),
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}
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}
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func validTemplateFields(t *testing.T) map[string]any {
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t.Helper()
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return map[string]any{
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fieldDeliveryID: "mail-124",
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fieldSource: "notification",
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fieldPayloadMode: "template",
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fieldIdempotency: "notification:mail-124",
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fieldRequestedAtMS: "1775121700001",
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fieldPayloadJSON: validTemplatePayloadJSON(t),
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}
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}
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func validRenderedPayloadJSON(t *testing.T) string {
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t.Helper()
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return mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{"noreply@example.com"},
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"subject": "Turn ready",
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"text_body": "Turn 54 is ready.",
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"html_body": "<p>Turn 54 is ready.</p>",
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"attachments": []map[string]any{
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{
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"filename": "report.txt",
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"content_type": "text/plain",
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"content_base64": base64.StdEncoding.EncodeToString([]byte("report")),
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},
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},
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})
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}
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func validTemplatePayloadJSON(t *testing.T) string {
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t.Helper()
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return mustJSONString(t, map[string]any{
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"to": []string{"pilot@example.com"},
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"cc": []string{},
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"bcc": []string{},
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"reply_to": []string{},
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"template_id": "game.turn_ready",
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"locale": "fr-FR",
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"variables": map[string]any{
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"turn_number": 54,
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"player": map[string]any{
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"name": "Pilot",
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},
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},
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"attachments": []map[string]any{},
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})
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}
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func mustJSONString(t *testing.T, value any) string {
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t.Helper()
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payload, err := json.Marshal(value)
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require.NoError(t, err)
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return string(payload)
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}
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func oversizedBase64() string {
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return string(bytesOf('A', MaxEncodedAttachmentPayloadBytes+4))
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}
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func bytesOf(value byte, size int) []byte {
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result := make([]byte, size)
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for index := range result {
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result[index] = value
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}
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return result
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}
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func mustUnixMilli(value int64) time.Time {
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return time.UnixMilli(value).UTC()
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}
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