Ilia Denisov
03dfc29a54
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The promo bot button carries a configurable variant-seed start-param (default verudit_ru-scrabble_en). The gateway parses start_param from the validated initData and forwards it; the backend, on first contact only, seeds the new account variant_preferences from it (English Scrabble alongside the default Erudit). No schema change (the scrabble_en CHECK is already in the baseline) and the gateway<->backend REST field is additive, so the rolling deploy is safe in either order. TELEGRAM_PROMO_START_PARAM configures the payload (empty forwards the user own /start payload). Covered by account unit tests, a gateway transcode test, and an integration test asserting new-only seeding.
38 lines
1.4 KiB
Go
38 lines
1.4 KiB
Go
package account
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import (
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"slices"
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"testing"
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)
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// TestSeedVariantsFromStartParam covers decoding a promo deep-link start-param into the
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// variant-preference set to seed: a valid "v"-prefixed, "-"-joined label list is cleaned
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// to the canonical order and deduplicated, while anything that is not a variant-seed link
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// or that names an unknown variant yields nil (leaving the account on its defaults).
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func TestSeedVariantsFromStartParam(t *testing.T) {
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tests := []struct {
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name string
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param string
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want []string
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}{
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{"english promo", "verudit_ru-scrabble_en", []string{"erudit_ru", "scrabble_en"}},
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{"single variant", "vscrabble_en", []string{"scrabble_en"}},
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{"canonical order regardless of payload order", "vscrabble_en-erudit_ru", []string{"erudit_ru", "scrabble_en"}},
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{"deduplicated", "verudit_ru-erudit_ru", []string{"erudit_ru"}},
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{"empty", "", nil},
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{"prefix only", "v", nil},
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{"routing game link is not a seed", "g0190abcd", nil},
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{"friend code link is not a seed", "f123456", nil},
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{"unknown variant rejected", "vscrabble_de", nil},
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{"one unknown label rejects the whole set", "verudit_ru-scrabble_de", nil},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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got := SeedVariantsFromStartParam(tc.param)
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if !slices.Equal(got, tc.want) {
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t.Errorf("SeedVariantsFromStartParam(%q) = %v, want %v", tc.param, got, tc.want)
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}
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})
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}
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}
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