python3Packages.homf: add checks

Author: nicoonoclaste

pkgs/development/python-modules/homf/default.nix

@@ -1,9 +1,11 @@
 {
   lib,
   buildPythonPackage,
+  callPackage,
   fetchFromGitHub,
   # pytestCheckHook,
   pythonOlder,
+  versionCheckHook,
 
   hatchling,
   packaging,
@@ -25,7 +27,6 @@ buildPythonPackage rec {
   build-system = [ hatchling ];
 
   pythonRelaxDeps = [ "packaging" ];
-
   dependencies = [ packaging ];
 
   pythonImportsCheck = [
@@ -39,6 +40,11 @@ buildPythonPackage rec {
   # nativeCheckInputs = [ pytestCheckHook ];
   # pytestFlagsArray = [ "-m 'not network'" ];
 
+  nativeBuildInputs = [ versionCheckHook ];
+
+  # (Ab)using `callPackage` as a fix-point operator, so tests can use the `homf` drv
+  passthru.tests = callPackage ./tests.nix { };
+
   meta = with lib; {
     description = "Asset download tool for GitHub Releases, PyPi, etc.";
     mainProgram = "homf";

pkgs/development/python-modules/homf/tests.nix

@@ -0,0 +1,43 @@
+{
+  lib,
+  runCommand,
+  testers,
+
+  cacert,
+  homf,
+}:
+let
+  # runs homf, putting the fetched artefacts in the drv output
+  Homf =
+    subcommand:
+    {
+      pkgName,
+      version,
+      hash,
+    }:
+    # testers.runCommand ensures we have an FOD, so the command has network access,
+    #  yet the test is rerun whenever one of its inputs changes.
+    testers.runCommand {
+      name = "homf-${subcommand}-${pkgName}";
+      script = "homf ${subcommand} --directory $out ${pkgName} ${version}";
+      nativeBuildInputs = [
+        cacert
+        homf
+      ];
+      inherit hash;
+    };
+in
+
+lib.mapAttrs Homf {
+  pypi = {
+    pkgName = "homf";
+    version = "1.1.1"; # pinned so updating homf won't invalidate hashes
+    hash = "sha256-zpdt7+zTaGkLG6xYoTZVw/kUek0/MrCqvljfLxNB94A=";
+  };
+
+  github = {
+    pkgName = "duckinator/homf";
+    version = "v1.1.1";
+    hash = "sha256-NeEz8wZqDWYUnrgsknXWHzhWdk8cPW8mknKS3+/dngQ=";
+  };
+}