diff --git a/pkgs/build-support/go/tests/goModules/package.nix b/pkgs/build-support/go/tests/goModules/package.nix
new file mode 100644
index 000000000000..b93a14da480e
--- /dev/null
+++ b/pkgs/build-support/go/tests/goModules/package.nix
@@ -0,0 +1,140 @@
+{
+  lib,
+  testers,
+  buildGoModule,
+  fetchFromGitHub,
+  fetchpatch,
+}:
+
+let
+  testGoModules = testers.invalidateFetcherByDrvHash (args: (buildGoModule args).goModules);
+in
+
+lib.recurseIntoAttrs {
+  # sets modRoot
+  modRoot = testGoModules {
+    pname = "chroma";
+    version = "2.27.0";
+    src = fetchFromGitHub {
+      owner = "alecthomas";
+      repo = "chroma";
+      tag = "v2.27.0";
+      hash = "sha256-iIu0FFAavXbma/LiKEDltvrGMYYd4uxSfHpNTrmN6aI=";
+    };
+    modRoot = "./cmd/chroma";
+    vendorHash = "sha256-B2TvCIBqgdTpQApmQkO2COIarqmgF9mhZ0HG5aFgVhY=";
+  };
+
+  # proxyVendor = true;
+  proxyVendor = testGoModules {
+    pname = "obs-cli";
+    version = "0.5.0";
+    src = fetchFromGitHub {
+      owner = "muesli";
+      repo = "obs-cli";
+      tag = "v0.5.0";
+      hash = "sha256-4tjS+PWyP/T0zs4IGE6VQ5c+3tuqxlBwfpPBVEcim6c=";
+    };
+    proxyVendor = true;
+    vendorHash = "sha256-tjQOHvmhHyVMqIJQvFaisEqci1wkB4ke/a+GSgwXzCo=";
+  };
+
+  # proxyVendor = true; with modRoot
+  proxyVendor-modRoot = testGoModules {
+    pname = "gorm-gentool";
+    version = "0.0.2";
+    src = fetchFromGitHub {
+      owner = "go-gorm";
+      repo = "gen";
+      tag = "tools/gentool/v0.0.2";
+      hash = "sha256-8xuprFktGflx/5BR3Sbzx/MWerSp57q2Ky2Yn5P6Y28=";
+    };
+    modRoot = "tools/gentool";
+    proxyVendor = true;
+    vendorHash = "sha256-0VU+zGQb6Ob9V2zOsUO5+ObUFdQO26236Ei2/TqjTBs=";
+  };
+
+  # deleteVendor = true;
+  deleteVendor = testGoModules {
+    pname = "2fa";
+    version = "1.2.0";
+    src = fetchFromGitHub {
+      owner = "rsc";
+      repo = "2fa";
+      tag = "v1.2.0";
+      hash = "sha256-cB5iADZwvJQwwK1GockE2uicFlqFMEAY6xyeXF5lnUY=";
+    };
+    deleteVendor = true;
+    vendorHash = "sha256-4h/+ZNxlJPYY0Kyu2vDE1pDXxC/kGE5JdnagWVOGzAE=";
+  };
+
+  # patches adding go.mod/go.sum, with deleteVendor = true;
+  patches = testGoModules {
+    pname = "gdrive";
+    version = "2.1.1";
+    src = fetchFromGitHub {
+      owner = "prasmussen";
+      repo = "gdrive";
+      tag = "2.1.1";
+      hash = "sha256-2dJmGFHfGSroucn4WgiV2NExBs5wtMDe2kX1jDBwbRs=";
+    };
+    patches = [
+      (fetchpatch {
+        url = "https://github.com/prasmussen/gdrive/pull/585/commits/faa6fc3dc104236900caa75eb22e9ed2e5ecad42.patch";
+        hash = "sha256-W8o2ZfhQFJISHfPavjx9sw5UB6xOZ7qRW4L0bHNddS8=";
+      })
+    ];
+    deleteVendor = true;
+    vendorHash = "sha256-sHNP1YwnZYu0UfgLx5+gxJmesY8Brt7rr9cptlyk9Bk=";
+  };
+
+  # sets env
+  env = testGoModules {
+    pname = "snitch";
+    version = "0.2.2";
+    src = fetchFromGitHub {
+      owner = "karol-broda";
+      repo = "snitch";
+      tag = "v0.2.2";
+      hash = "sha256-SssAiRUfUaDgAoVO2rDacru8e914Wl+4sA4JQ4Mv4eA=";
+    };
+    env.CGO_ENABLED = 0;
+    vendorHash = "sha256-fX3wOqeOgjH7AuWGxPQxJ+wbhp240CW8tiF4rVUUDzk=";
+  };
+
+  # sets modPostBuild
+  modPostBuild = testGoModules {
+    pname = "json-patch";
+    version = "5.9.11";
+    src = fetchFromGitHub {
+      owner = "evanphx";
+      repo = "json-patch";
+      tag = "v5.9.11";
+      hash = "sha256-lRgz3Bw2mwQSfXvXmKUcWfexEf3YHBFy47tqWB6lzWs=";
+    };
+    modRoot = "v5";
+    modPostBuild = ''
+      test -f vendor/modules.txt
+    '';
+    vendorHash = "sha256-W6XVd68MS0ungMgam8jefYMVhyiN6/DB+bliFzs2rdk=";
+  };
+
+  # overrideModAttrs, dropping a preBuild that must not run in goModules
+  overrideModAttrs = testGoModules {
+    pname = "yubihsm-connector";
+    version = "3.0.7";
+    src = fetchFromGitHub {
+      owner = "Yubico";
+      repo = "yubihsm-connector";
+      tag = "3.0.7";
+      hash = "sha256-ddf8IamX8wC8IG9puFDoSKsVqc9KE/LtsJ0Wk0FFquw=";
+    };
+    preBuild = ''
+      GOOS= GOARCH= go generate
+    '';
+    overrideModAttrs = _: {
+      preBuild = null;
+    };
+    vendorHash = "sha256-vtIXFOptDbBKjnDUSD9ng5tnfYQ3lklwgcEUvKMdCOM=";
+  };
+}