diff --git a/.npmignore b/.npmignore
index afade95..7073daa 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,4 +1,5 @@
 .github/
+.nyc_output/
 coverage/
 test/
 .eslint*
diff --git a/README.md b/README.md
index 54842fb..87871db 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Make a [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) reque
 - Supports Node 14+ (including the native `fetch` implementation in Node 18!).
 - Natively works in all browsers that support [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) without having to use any polyfils.
 - [Tested](https://github.com/readmeio/fetch-har/actions) across Chrome, Safari, Firefox on Mac, Windows, and Linux.
+- Requests can be mocked with [nock](https://npm.im/nock) or [fetch-mock](https://npm.im/fetch-mock).
 
 ## Installation
 
diff --git a/karma.conf.js b/karma.conf.js
index e495e82..e7462db 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -20,7 +20,7 @@ module.exports = karmaConfig({
         timeout: 15000,
       },
     },
-    exclude: ['test/node-quirks.test.ts'],
+    exclude: ['test/mocking/*.ts', 'test/node-quirks.test.ts'],
     webpack: {
       resolve: {
         extensions: ['.js', '.ts'],
diff --git a/package-lock.json b/package-lock.json
index 0e863c1..6d0ac69 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,12 +24,14 @@
         "@types/readable-stream": "^2.3.13",
         "chai": "^4.3.4",
         "eslint": "^8.14.0",
+        "fetch-mock": "^9.11.0",
         "form-data": "^4.0.0",
         "form-data-encoder": "^1.7.1",
         "formdata-node": "^4.3.2",
         "har-examples": "^3.1.1",
         "isomorphic-fetch": "^3.0.0",
         "mocha": "^9.2.2",
+        "nock": "^13.2.4",
         "node-fetch": "^2.6.0",
         "nyc": "^15.1.0",
         "prettier": "^2.6.2",
@@ -8455,6 +8457,62 @@
         "pend": "~1.2.0"
       }
     },
+    "node_modules/fetch-mock": {
+      "version": "9.11.0",
+      "resolved": "https://registry.npmjs.org/fetch-mock/-/fetch-mock-9.11.0.tgz",
+      "integrity": "sha512-PG1XUv+x7iag5p/iNHD4/jdpxL9FtVSqRMUQhPab4hVDt80T1MH5ehzVrL2IdXO9Q2iBggArFvPqjUbHFuI58Q==",
+      "dev": true,
+      "dependencies": {
+        "@babel/core": "^7.0.0",
+        "@babel/runtime": "^7.0.0",
+        "core-js": "^3.0.0",
+        "debug": "^4.1.1",
+        "glob-to-regexp": "^0.4.0",
+        "is-subset": "^0.1.1",
+        "lodash.isequal": "^4.5.0",
+        "path-to-regexp": "^2.2.1",
+        "querystring": "^0.2.0",
+        "whatwg-url": "^6.5.0"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      },
+      "funding": {
+        "type": "charity",
+        "url": "https://www.justgiving.com/refugee-support-europe"
+      },
+      "peerDependencies": {
+        "node-fetch": "*"
+      },
+      "peerDependenciesMeta": {
+        "node-fetch": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/fetch-mock/node_modules/debug": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dev": true,
+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/fetch-mock/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+      "dev": true
+    },
     "node_modules/figgy-pudding": {
       "version": "3.5.2",
       "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.2.tgz",
@@ -9066,6 +9124,12 @@
         "node": ">=10.13.0"
       }
     },
+    "node_modules/glob-to-regexp": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz",
+      "integrity": "sha512-lkX1HJXwyMcprw/5YUZc2s7DrpAiHB21/V+E1rHUrVNokkvB6bqMzT0VfV6/86ZNabt1k14YOIaT7nDvOX3Iiw==",
+      "dev": true
+    },
     "node_modules/global-agent": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/global-agent/-/global-agent-2.2.0.tgz",
@@ -9996,6 +10060,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/is-subset": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/is-subset/-/is-subset-0.1.1.tgz",
+      "integrity": "sha1-ilkRfZMt4d4A8kX83TnOQ/HpOaY=",
+      "dev": true
+    },
     "node_modules/is-symbol": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.4.tgz",
@@ -10776,6 +10846,12 @@
       "integrity": "sha1-+wMJF/hqMTTlvJvsDWngAT3f7bI=",
       "dev": true
     },
+    "node_modules/lodash.isequal": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
+      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=",
+      "dev": true
+    },
     "node_modules/lodash.isobject": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/lodash.isobject/-/lodash.isobject-3.0.2.tgz",
@@ -10794,6 +10870,18 @@
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       "dev": true
     },
+    "node_modules/lodash.set": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/lodash.set/-/lodash.set-4.3.2.tgz",
+      "integrity": "sha1-2HV7HagH3eJIFrDWqEvqGnYjCyM=",
+      "dev": true
+    },
+    "node_modules/lodash.sortby": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
+      "integrity": "sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=",
+      "dev": true
+    },
     "node_modules/lodash.union": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/lodash.union/-/lodash.union-4.6.0.tgz",
@@ -11618,6 +11706,44 @@
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       "dev": true
     },
+    "node_modules/nock": {
+      "version": "13.2.4",
+      "resolved": "https://registry.npmjs.org/nock/-/nock-13.2.4.tgz",
+      "integrity": "sha512-8GPznwxcPNCH/h8B+XZcKjYPXnUV5clOKCjAqyjsiqA++MpNx9E9+t8YPp0MbThO+KauRo7aZJ1WuIZmOrT2Ug==",
+      "dev": true,
+      "dependencies": {
+        "debug": "^4.1.0",
+        "json-stringify-safe": "^5.0.1",
+        "lodash.set": "^4.3.2",
+        "propagate": "^2.0.0"
+      },
+      "engines": {
+        "node": ">= 10.13"
+      }
+    },
+    "node_modules/nock/node_modules/debug": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dev": true,
+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/nock/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+      "dev": true
+    },
     "node_modules/node-domexception": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
@@ -12562,6 +12688,12 @@
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       "dev": true
     },
+    "node_modules/path-to-regexp": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-2.4.0.tgz",
+      "integrity": "sha512-G6zHoVqC6GGTQkZwF4lkuEyMbVOjoBKAEybQUypI1WTkqinCOrq2x6U2+phkJ1XsEMTy4LjtwPI7HW+NVrRR2w==",
+      "dev": true
+    },
     "node_modules/path-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
@@ -12813,6 +12945,15 @@
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       "dev": true
     },
+    "node_modules/propagate": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/propagate/-/propagate-2.0.1.tgz",
+      "integrity": "sha512-vGrhOavPSTz4QVNuBNdcNXePNdNMaO1xj9yBeH1ScQPjk/rhg9sSlCXPhMkFuaNNW/syTvYqsnbIJxMBfRbbag==",
+      "dev": true,
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/proto-list": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/proto-list/-/proto-list-1.2.4.tgz",
@@ -15080,6 +15221,15 @@
         "ret": "~0.1.10"
       }
     },
+    "node_modules/tr46": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-1.0.1.tgz",
+      "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
+      "dev": true,
+      "dependencies": {
+        "punycode": "^2.1.0"
+      }
+    },
     "node_modules/trim-repeated": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
@@ -16122,6 +16272,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
+      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
+      "dev": true
+    },
     "node_modules/webpack-log": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
@@ -16150,6 +16306,17 @@
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       "dev": true
     },
+    "node_modules/whatwg-url": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
+      "integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
+      "dev": true,
+      "dependencies": {
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.1",
+        "webidl-conversions": "^4.0.2"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -22982,6 +23149,41 @@
         "pend": "~1.2.0"
       }
     },
+    "fetch-mock": {
+      "version": "9.11.0",
+      "resolved": "https://registry.npmjs.org/fetch-mock/-/fetch-mock-9.11.0.tgz",
+      "integrity": "sha512-PG1XUv+x7iag5p/iNHD4/jdpxL9FtVSqRMUQhPab4hVDt80T1MH5ehzVrL2IdXO9Q2iBggArFvPqjUbHFuI58Q==",
+      "dev": true,
+      "requires": {
+        "@babel/core": "^7.0.0",
+        "@babel/runtime": "^7.0.0",
+        "core-js": "^3.0.0",
+        "debug": "^4.1.1",
+        "glob-to-regexp": "^0.4.0",
+        "is-subset": "^0.1.1",
+        "lodash.isequal": "^4.5.0",
+        "path-to-regexp": "^2.2.1",
+        "querystring": "^0.2.0",
+        "whatwg-url": "^6.5.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
     "figgy-pudding": {
       "version": "3.5.2",
       "resolved": "https://registry.npmjs.org/figgy-pudding/-/figgy-pudding-3.5.2.tgz",
@@ -23452,6 +23654,12 @@
         "is-glob": "^4.0.3"
       }
     },
+    "glob-to-regexp": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz",
+      "integrity": "sha512-lkX1HJXwyMcprw/5YUZc2s7DrpAiHB21/V+E1rHUrVNokkvB6bqMzT0VfV6/86ZNabt1k14YOIaT7nDvOX3Iiw==",
+      "dev": true
+    },
     "global-agent": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/global-agent/-/global-agent-2.2.0.tgz",
@@ -24130,6 +24338,12 @@
         "has-tostringtag": "^1.0.0"
       }
     },
+    "is-subset": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/is-subset/-/is-subset-0.1.1.tgz",
+      "integrity": "sha1-ilkRfZMt4d4A8kX83TnOQ/HpOaY=",
+      "dev": true
+    },
     "is-symbol": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.4.tgz",
@@ -24764,6 +24978,12 @@
       "integrity": "sha1-+wMJF/hqMTTlvJvsDWngAT3f7bI=",
       "dev": true
     },
+    "lodash.isequal": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
+      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=",
+      "dev": true
+    },
     "lodash.isobject": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/lodash.isobject/-/lodash.isobject-3.0.2.tgz",
@@ -24782,6 +25002,18 @@
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       "dev": true
     },
+    "lodash.set": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/lodash.set/-/lodash.set-4.3.2.tgz",
+      "integrity": "sha1-2HV7HagH3eJIFrDWqEvqGnYjCyM=",
+      "dev": true
+    },
+    "lodash.sortby": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
+      "integrity": "sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=",
+      "dev": true
+    },
     "lodash.union": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/lodash.union/-/lodash.union-4.6.0.tgz",
@@ -25435,6 +25667,35 @@
         }
       }
     },
+    "nock": {
+      "version": "13.2.4",
+      "resolved": "https://registry.npmjs.org/nock/-/nock-13.2.4.tgz",
+      "integrity": "sha512-8GPznwxcPNCH/h8B+XZcKjYPXnUV5clOKCjAqyjsiqA++MpNx9E9+t8YPp0MbThO+KauRo7aZJ1WuIZmOrT2Ug==",
+      "dev": true,
+      "requires": {
+        "debug": "^4.1.0",
+        "json-stringify-safe": "^5.0.1",
+        "lodash.set": "^4.3.2",
+        "propagate": "^2.0.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
     "node-domexception": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
@@ -26207,6 +26468,12 @@
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       "dev": true
     },
+    "path-to-regexp": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-2.4.0.tgz",
+      "integrity": "sha512-G6zHoVqC6GGTQkZwF4lkuEyMbVOjoBKAEybQUypI1WTkqinCOrq2x6U2+phkJ1XsEMTy4LjtwPI7HW+NVrRR2w==",
+      "dev": true
+    },
     "path-type": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
@@ -26390,6 +26657,12 @@
         }
       }
     },
+    "propagate": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/propagate/-/propagate-2.0.1.tgz",
+      "integrity": "sha512-vGrhOavPSTz4QVNuBNdcNXePNdNMaO1xj9yBeH1ScQPjk/rhg9sSlCXPhMkFuaNNW/syTvYqsnbIJxMBfRbbag==",
+      "dev": true
+    },
     "proto-list": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/proto-list/-/proto-list-1.2.4.tgz",
@@ -28255,6 +28528,15 @@
         "is-number": "^7.0.0"
       }
     },
+    "tr46": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-1.0.1.tgz",
+      "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "trim-repeated": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
@@ -29096,6 +29378,12 @@
         }
       }
     },
+    "webidl-conversions": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
+      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
+      "dev": true
+    },
     "webpack-log": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
@@ -29120,6 +29408,17 @@
       "integrity": "sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==",
       "dev": true
     },
+    "whatwg-url": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
+      "integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
+      "dev": true,
+      "requires": {
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.1",
+        "webidl-conversions": "^4.0.2"
+      }
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index a69ec66..f43d355 100644
--- a/package.json
+++ b/package.json
@@ -49,12 +49,14 @@
     "@types/readable-stream": "^2.3.13",
     "chai": "^4.3.4",
     "eslint": "^8.14.0",
+    "fetch-mock": "^9.11.0",
     "form-data": "^4.0.0",
     "form-data-encoder": "^1.7.1",
     "formdata-node": "^4.3.2",
     "har-examples": "^3.1.1",
     "isomorphic-fetch": "^3.0.0",
     "mocha": "^9.2.2",
+    "nock": "^13.2.4",
     "node-fetch": "^2.6.0",
     "nyc": "^15.1.0",
     "prettier": "^2.6.2",
diff --git a/test/browser-quirks.test.ts b/test/browser-quirks.test.ts
index 5a6adeb..2eed056 100644
--- a/test/browser-quirks.test.ts
+++ b/test/browser-quirks.test.ts
@@ -7,7 +7,7 @@ import harExamples from 'har-examples';
 import owlbert from './fixtures/owlbert.dataurl.json';
 import owlbertShrubDataURL from './fixtures/owlbert-shrub.dataurl.json';
 
-describe('#fetch (Browser-only quirks)', function () {
+describe('#fetchHAR (Browser-only quirks)', function () {
   let fetchHAR;
 
   beforeEach(function () {
diff --git a/test/index.test.ts b/test/index.test.ts
index 4d1b078..bed5f4e 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -12,7 +12,7 @@ import owlbertDataURL from './fixtures/owlbert.dataurl.json';
 import invalidHeadersHAR from './fixtures/invalid-headers.har.json';
 import urlEncodedWithAuthHAR from './fixtures/urlencoded-with-auth.har.json';
 
-describe('#fetch', function () {
+describe('fetch-har', function () {
   let fetchHAR;
 
   beforeEach(function () {
diff --git a/test/mocking/fetch-mock.test.ts b/test/mocking/fetch-mock.test.ts
new file mode 100644
index 0000000..b76df5e
--- /dev/null
+++ b/test/mocking/fetch-mock.test.ts
@@ -0,0 +1,25 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import 'isomorphic-fetch';
+
+import { expect } from 'chai';
+import fetchMock from 'fetch-mock';
+import harExamples from 'har-examples';
+
+describe('#fetchHAR mocking (fetch-mock)', function () {
+  it('should support mocking a request with `fetch-mock`', async function () {
+    const fetchHAR = require('../../src').default;
+
+    fetchMock.mock(
+      {
+        url: 'https://httpbin.org/get',
+        method: 'get',
+      },
+      new Response(null, { status: 429 })
+    );
+
+    const res = await fetchHAR(harExamples.short);
+    expect(res.status).to.equal(429);
+
+    fetchMock.restore();
+  });
+});
diff --git a/test/mocking/nock.test.ts b/test/mocking/nock.test.ts
new file mode 100644
index 0000000..e51da1f
--- /dev/null
+++ b/test/mocking/nock.test.ts
@@ -0,0 +1,31 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import type { VersionInfo } from '@jsdevtools/host-environment';
+import 'isomorphic-fetch';
+import { host } from '@jsdevtools/host-environment';
+
+import { expect } from 'chai';
+import nock from 'nock';
+import harExamples from 'har-examples';
+
+describe('#fetchHAR mocking (nock)', function () {
+  it('should support mocking a request with `nock`', async function () {
+    const isNode18 = (host.node as VersionInfo).version >= 18;
+    const fetchHAR = require('../../src').default;
+
+    // Nock does not support Node 18's native `fetch` implementation.
+    if (isNode18) {
+      this.skip();
+    }
+
+    nock('https://httpbin.org')
+      .post('/post')
+      .reply(200, uri => ({ uri }));
+
+    const res = await fetchHAR(harExamples['text-plain']).then(r => r.json());
+    expect(res).to.deep.equal({
+      uri: '/post',
+    });
+
+    nock.restore();
+  });
+});
diff --git a/test/node-quirks.test.ts b/test/node-quirks.test.ts
index a9d6864..e1322b3 100644
--- a/test/node-quirks.test.ts
+++ b/test/node-quirks.test.ts
@@ -13,7 +13,7 @@ import owlbertShrubDataURL from './fixtures/owlbert-shrub.dataurl.json';
 
 const isNode18 = (host.node as VersionInfo).version >= 18;
 
-describe('#fetch (Node-only quirks)', function () {
+describe('#fetchHAR (Node-only quirks)', function () {
   let fetchHAR;
 
   beforeEach(function () {