Fix "did reaction fully send?" logic

ts/test-node/jobs/helpers/findRetryAfterTimeFromError_test.ts

@@ -0,0 +1,75 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { assert } from 'chai';
+
+import { findRetryAfterTimeFromError } from '../../../jobs/helpers/findRetryAfterTimeFromError';
+import { HTTPError } from '../../../textsecure/Errors';
+
+describe('findRetryAfterTimeFromError', () => {
+  it('returns 1 second if no Retry-After time is found', () => {
+    [
+      undefined,
+      null,
+      {},
+      { responseHeaders: {} },
+      { responseHeaders: { 'retry-after': 'garbage' } },
+      {
+        httpError: new HTTPError('Slow down', {
+          code: 413,
+          headers: {},
+          response: {},
+        }),
+      },
+      {
+        httpError: new HTTPError('Slow down', {
+          code: 413,
+          headers: { 'retry-after': 'garbage' },
+          response: {},
+        }),
+      },
+    ].forEach(input => {
+      assert.strictEqual(findRetryAfterTimeFromError(input), 1000);
+    });
+  });
+
+  it("returns 1 second if a Retry-After time is found, but it's less than 1 second", () => {
+    ['0', '-99', '0.5'].forEach(headerValue => {
+      const input = { responseHeaders: { 'retry-after': headerValue } };
+      assert.strictEqual(findRetryAfterTimeFromError(input), 1000);
+    });
+  });
+
+  it('returns 1 second for extremely large numbers', () => {
+    const input = { responseHeaders: { 'retry-after': '999999999999999999' } };
+    assert.strictEqual(findRetryAfterTimeFromError(input), 1000);
+  });
+
+  it('finds the retry-after time on top-level response headers', () => {
+    const input = { responseHeaders: { 'retry-after': '1234' } };
+    assert.strictEqual(findRetryAfterTimeFromError(input), 1234 * 1000);
+  });
+
+  it("finds the retry-after time on an HTTP error's response headers", () => {
+    const input = {
+      httpError: new HTTPError('Slow down', {
+        code: 413,
+        headers: { 'retry-after': '1234' },
+        response: {},
+      }),
+    };
+    assert.strictEqual(findRetryAfterTimeFromError(input), 1234 * 1000);
+  });
+
+  it('prefers the top-level response headers over an HTTP error', () => {
+    const input = {
+      responseHeaders: { 'retry-after': '1234' },
+      httpError: new HTTPError('Slow down', {
+        code: 413,
+        headers: { 'retry-after': '999' },
+        response: {},
+      }),
+    };
+    assert.strictEqual(findRetryAfterTimeFromError(input), 1234 * 1000);
+  });
+});