Mock IndexedDB in tests

app/soapbox/jest/test-setup.ts

@@ -6,6 +6,10 @@ import { __clear as clearApiMocks } from '../__mocks__/api';
 jest.mock('soapbox/api');
 afterEach(() => clearApiMocks());
 
+// Mock IndexedDB
+// https://dev.to/andyhaskell/testing-your-indexeddb-code-with-jest-2o17
+require('fake-indexeddb/auto');
+
 // Mock external dependencies
 jest.mock('uuid', () => ({ v4: jest.fn(() => '1') }));
 

package.json

@@ -211,6 +211,7 @@
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-react": "^7.25.1",
     "eslint-plugin-react-hooks": "^4.2.0",
+    "fake-indexeddb": "^3.1.7",
     "husky": "^7.0.2",
     "jest": "^27.5.1",
     "lint-staged": ">=10",

yarn.lock

@@ -3084,6 +3084,11 @@ balanced-match@^2.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-2.0.0.tgz#dc70f920d78db8b858535795867bf48f820633d9"
   integrity sha512-1ugUSr8BHXRnK23KfuYS+gVMC3LB8QGH9W1iGtDPsNWoQbgtXSExkBu2aDR4epiGWZOjZsj6lDl/N/AqqTC3UA==
 
+base64-arraybuffer-es6@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/base64-arraybuffer-es6/-/base64-arraybuffer-es6-0.7.0.tgz#dbe1e6c87b1bf1ca2875904461a7de40f21abc86"
+  integrity sha512-ESyU/U1CFZDJUdr+neHRhNozeCv72Y7Vm0m1DCbjX3KBjT6eYocvAJlSk6+8+HkVwXlT1FNxhGW6q3UKAlCvvw==
+
 batch@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
@@ -3708,6 +3713,11 @@ core-js@^3.1.3, core-js@^3.15.2:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.18.0.tgz#9af3f4a6df9ba3428a3fb1b171f1503b3f40cc49"
   integrity sha512-WJeQqq6jOYgVgg4NrXKL0KLQhi0CT4ZOCvFL+3CQ5o7I6J8HkT5wd53EadMfqTDp1so/MT1J+w2ujhWcCJtN7w==
 
+core-js@^3.4:
+  version "3.22.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.22.2.tgz#3ea0a245b0895fa39d1faa15fe75d91ade504a01"
+  integrity sha512-Z5I2vzDnEIqO2YhELVMFcL1An2CIsFe9Q7byZhs8c/QxummxZlAHw33TUHbIte987LkisOgL0LwQ1P9D6VISnA==
+
 core-util-is@~1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.3.tgz#a6042d3634c2b27e9328f837b965fac83808db85"
@@ -4296,6 +4306,13 @@ domelementtype@^2.0.1, domelementtype@^2.2.0:
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.2.0.tgz#9a0b6c2782ed6a1c7323d42267183df9bd8b1d57"
   integrity sha512-DtBMo82pv1dFtUmHyr48beiuq792Sxohr+8Hm9zoxklYPfa6n0Z3Byjj2IV7bmr2IyqClnqEQhfgHJJ5QF0R5A==
 
+domexception@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.1.tgz#937442644ca6a31261ef36e3ec677fe805582c90"
+  integrity sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==
+  dependencies:
+    webidl-conversions "^4.0.2"
+
 domexception@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-2.0.1.tgz#fb44aefba793e1574b0af6aed2801d057529f304"
@@ -4927,6 +4944,13 @@ extend@^3.0.0:
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
   integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
 
+fake-indexeddb@^3.1.7:
+  version "3.1.7"
+  resolved "https://registry.yarnpkg.com/fake-indexeddb/-/fake-indexeddb-3.1.7.tgz#d9efbeade113c15efbe862e4598a4b0a1797ed9f"
+  integrity sha512-CUGeCzCOVjmeKi2C0pcvSh6NDU6uQIaS+7YyR++tO/atJJujkBYVhDvfePdz/U8bD33BMVWirsr1MKczfAqbjA==
+  dependencies:
+    realistic-structured-clone "^2.0.1"
+
 fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
@@ -9049,6 +9073,16 @@ readdirp@~3.6.0:
   dependencies:
     picomatch "^2.2.1"
 
+realistic-structured-clone@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/realistic-structured-clone/-/realistic-structured-clone-2.0.4.tgz#7eb4c2319fc3cb72f4c8d3c9e888b11647894b50"
+  integrity sha512-lItAdBIFHUSe6fgztHPtmmWqKUgs+qhcYLi3wTRUl4OTB3Vb8aBVSjGfQZUvkmJCKoX3K9Wf7kyLp/F/208+7A==
+  dependencies:
+    core-js "^3.4"
+    domexception "^1.0.1"
+    typeson "^6.1.0"
+    typeson-registry "^1.0.0-alpha.20"
+
 rechoir@^0.7.0:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.7.1.tgz#9478a96a1ca135b5e88fc027f03ee92d6c645686"
@@ -10440,6 +10474,20 @@ typescript@^4.4.4:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.5.5.tgz#d8c953832d28924a9e3d37c73d729c846c5896f3"
   integrity sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==
 
+typeson-registry@^1.0.0-alpha.20:
+  version "1.0.0-alpha.39"
+  resolved "https://registry.yarnpkg.com/typeson-registry/-/typeson-registry-1.0.0-alpha.39.tgz#9e0f5aabd5eebfcffd65a796487541196f4b1211"
+  integrity sha512-NeGDEquhw+yfwNhguLPcZ9Oj0fzbADiX4R0WxvoY8nGhy98IbzQy1sezjoEFWOywOboj/DWehI+/aUlRVrJnnw==
+  dependencies:
+    base64-arraybuffer-es6 "^0.7.0"
+    typeson "^6.0.0"
+    whatwg-url "^8.4.0"
+
+typeson@^6.0.0, typeson@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/typeson/-/typeson-6.1.0.tgz#5b2a53705a5f58ff4d6f82f965917cabd0d7448b"
+  integrity sha512-6FTtyGr8ldU0pfbvW/eOZrEtEkczHRUtduBnA90Jh9kMPCiFNnXIon3vF41N0S4tV1HHQt4Hk1j4srpESziCaA==
+
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
@@ -10730,6 +10778,11 @@ wbuf@^1.1.0, wbuf@^1.7.3:
   dependencies:
     minimalistic-assert "^1.0.0"
 
+webidl-conversions@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
+  integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
+
 webidl-conversions@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
@@ -10914,7 +10967,7 @@ whatwg-mimetype@^2.3.0:
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
   integrity sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==
 
-whatwg-url@^8.0.0, whatwg-url@^8.5.0:
+whatwg-url@^8.0.0, whatwg-url@^8.4.0, whatwg-url@^8.5.0:
   version "8.7.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-8.7.0.tgz#656a78e510ff8f3937bc0bcbe9f5c0ac35941b77"
   integrity sha512-gAojqb/m9Q8a5IV96E3fHJM70AzCkgt4uXYX2O7EmuyOnLrViCQlsEBmF9UQIu3/aeAIp2U17rtbpZWNntQqdg==