107 lines
3.6 KiB
Nix
107 lines
3.6 KiB
Nix
# Tests for the Python interpreters, package sets and environments.
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#
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# Each Python interpreter has a `passthru.tests` which is the attribute set
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# returned by this function. For example, for Python 3 the tests are run with
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#
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# $ nix-build -A python3.tests
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#
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{ stdenv
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, python
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, runCommand
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, substituteAll
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, lib
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, callPackage
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}:
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let
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# Test whether the interpreter behaves in the different types of environments
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# we aim to support.
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environmentTests = let
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envs = let
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inherit python;
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pythonEnv = python.withPackages(ps: with ps; [ ]);
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pythonVirtualEnv = python.withPackages(ps: with ps; [ virtualenv ]);
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in {
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# Plain Python interpreter
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plain = rec {
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env = python;
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interpreter = env.interpreter;
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is_venv = "False";
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is_nixenv = "False";
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is_virtualenv = "False";
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};
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} // lib.optionalAttrs (!python.isPyPy) {
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# Use virtualenv from a Nix env.
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nixenv-virtualenv = rec {
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env = runCommand "${python.name}-virtualenv" {} ''
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${pythonVirtualEnv.interpreter} -m virtualenv $out
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'';
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interpreter = "${env}/bin/${python.executable}";
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is_venv = "False";
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is_nixenv = "True";
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is_virtualenv = "True";
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};
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} // lib.optionalAttrs (python.implementation != "graal") {
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# Python Nix environment (python.buildEnv)
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nixenv = rec {
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env = pythonEnv;
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interpreter = env.interpreter;
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is_venv = "False";
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is_nixenv = "True";
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is_virtualenv = "False";
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};
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} // lib.optionalAttrs (python.isPy3k && (!python.isPyPy)) rec {
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# Venv built using plain Python
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# Python 2 does not support venv
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# TODO: PyPy executable name is incorrect, it should be pypy-c or pypy-3c instead of pypy and pypy3.
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plain-venv = rec {
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env = runCommand "${python.name}-venv" {} ''
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${python.interpreter} -m venv $out
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'';
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interpreter = "${env}/bin/${python.executable}";
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is_venv = "True";
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is_nixenv = "False";
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is_virtualenv = "False";
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};
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} // lib.optionalAttrs (python.pythonAtLeast "3.8") {
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# Venv built using Python Nix environment (python.buildEnv)
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# TODO: Cannot create venv from a nix env
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# Error: Command '['/nix/store/ddc8nqx73pda86ibvhzdmvdsqmwnbjf7-python3-3.7.6-venv/bin/python3.7', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 1.
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nixenv-venv = rec {
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env = runCommand "${python.name}-venv" {} ''
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${pythonEnv.interpreter} -m venv $out
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'';
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interpreter = "${env}/bin/${pythonEnv.executable}";
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is_venv = "True";
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is_nixenv = "True";
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is_virtualenv = "False";
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};
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};
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testfun = name: attrs: runCommand "${python.name}-tests-${name}" ({
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inherit (python) pythonVersion;
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} // attrs) ''
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cp -r ${./tests/test_environments} tests
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chmod -R +w tests
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substituteAllInPlace tests/test_python.py
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${attrs.interpreter} -m unittest discover --verbose tests #/test_python.py
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mkdir $out
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touch $out/success
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'';
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in lib.mapAttrs testfun envs;
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# Integration tests involving the package set.
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# All PyPy package builds are broken at the moment
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integrationTests = lib.optionalAttrs (python.pythonAtLeast "3.7" && (!python.isPyPy)) rec {
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# Before the addition of NIX_PYTHONPREFIX mypy was broken with typed packages
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nix-pythonprefix-mypy = callPackage ./tests/test_nix_pythonprefix {
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interpreter = python;
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};
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};
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in lib.optionalAttrs (stdenv.hostPlatform == stdenv.buildPlatform ) (environmentTests // integrationTests)
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