1 files changed, 59 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/pytest-regressions/default.nix b/pkgs/development/python-modules/pytest-regressions/default.nix
new file mode 100644
index 000000000000..90b72c886eac
--- /dev/null
+++ b/pkgs/development/python-modules/pytest-regressions/default.nix
@@ -0,0 +1,59 @@
+{ lib
+, buildPythonPackage
+, fetchpatch
+, fetchPypi
+, pythonOlder
+, matplotlib
+, numpy
+, pandas
+, pillow
+, pytest
+, pytest-datadir
+, pytestCheckHook
+, pyyaml
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-regressions";
+  version = "2.2.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "15a71f77cb266dd4ca94331abe4c339ad056b2b2175e47442711c98cf6d65716";
+  };
+
+  patches = [
+    # Make pytest-regressions compatible with NumPy 1.20.
+    # Should be part of the next release.
+    (fetchpatch {
+      url = "https://github.com/ESSS/pytest-regressions/commit/ffad2c7fd1d110f420f4e3ca3d39d90cae18a972.patch";
+      sha256 = "sha256-bUna7MnMV6u9oEaZMsFnr4gE28rz/c0O2+Hyk291+l0=";
+    })
+  ];
+
+  nativeBuildInputs = [ setuptools-scm ];
+  buildInputs = [ pytest ];
+  propagatedBuildInputs = [ numpy pandas pillow pytest-datadir pyyaml ];
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  checkInputs = [ pytestCheckHook matplotlib ];
+  pythonImportsCheck = [ "pytest_regressions" "pytest_regressions.plugin" ];
+
+  meta = with lib; {
+    description = "Pytest fixtures to write regression tests";
+    longDescription = ''
+      pytest-regressions makes it simple to test general data, images,
+      files, and numeric tables by saving expected data in a data
+      directory (courtesy of pytest-datadir) that can be used to verify
+      that future runs produce the same data.
+    '';
+    homepage = "https://github.com/ESSS/pytest-regressions";
+    license = licenses.mit;
+    maintainers = with maintainers; [ AluisioASG ];
+  };
+}