{ writeText, stdenv, lib, pep425, pep425OSX, pep425Python37 }:

lib.debug.runTests {

  #
  # selectWheel
  #

  testLinuxSimple =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_10_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425.selectWheel cs);
      expected = [{ file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }];
    };

  testOSXSimple =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_10_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425OSX.selectWheel cs);
      expected = [{ file = "grpcio-1.25.0-cp27-cp27m-macosx_10_10_x86_64.whl"; }];
    };

  testLinuxPickPython37 =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_10_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_9_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux1_i686.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp37-cp37m-manylinux1_i686.whl"; }
        { file = "grpcio-1.25.0-cp37-cp37m-manylinux2010_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425Python37.selectWheel cs);
      expected = [{ file = "grpcio-1.25.0-cp37-cp37m-manylinux2010_x86_64.whl"; }];
    };

  testOSXPreferNewer =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_9_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_12_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425OSX.selectWheel cs);
      expected = [{ file = "grpcio-1.25.0-cp27-cp27m-macosx_10_12_x86_64.whl"; }];
    };

  testOSXNoMatch =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux1_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425OSX.selectWheel cs);
      expected = [ ];
    };

  testLinuxPreferOlder =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux1_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-manylinux2010_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425.selectWheel cs);
      expected = [{ file = "grpcio-1.25.0-cp27-cp27m-manylinux1_x86_64.whl"; }];
    };

  testLinuxNoMatch =
    let
      cs = [
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_9_x86_64.whl"; }
        { file = "grpcio-1.25.0-cp27-cp27m-macosx_10_12_x86_64.whl"; }
      ];
    in
    {
      expr = (pep425.selectWheel cs);
      expected = [ ];
    };

  testLinuxEmptyList = {
    expr = pep425.selectWheel [ ];
    expected = [ ];
  };

  testOSXEmptyList = {
    expr = pep425OSX.selectWheel [ ];
    expected = [ ];
  };

  testLinuxCffiWhlFiles =
    let
      cs = [
        { file = "cffi-1.13.2-cp27-cp27m-macosx_10_6_intel.whl"; }
        { file = "cffi-1.13.2-cp27-cp27m-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp27-cp27m-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp27-cp27m-win32.whl"; }
        { file = "cffi-1.13.2-cp27-cp27m-win_amd64.whl"; }
        { file = "cffi-1.13.2-cp27-cp27mu-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp27-cp27mu-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp34-cp34m-macosx_10_6_intel.whl"; }
        { file = "cffi-1.13.2-cp34-cp34m-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp34-cp34m-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp34-cp34m-win32.whl"; }
        { file = "cffi-1.13.2-cp34-cp34m-win_amd64.whl"; }
        { file = "cffi-1.13.2-cp35-cp35m-macosx_10_6_intel.whl"; }
        { file = "cffi-1.13.2-cp35-cp35m-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp35-cp35m-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp35-cp35m-win32.whl"; }
        { file = "cffi-1.13.2-cp35-cp35m-win_amd64.whl"; }
        { file = "cffi-1.13.2-cp36-cp36m-macosx_10_6_intel.whl"; }
        { file = "cffi-1.13.2-cp36-cp36m-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp36-cp36m-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp36-cp36m-win32.whl"; }
        { file = "cffi-1.13.2-cp36-cp36m-win_amd64.whl"; }
        { file = "cffi-1.13.2-cp37-cp37m-macosx_10_6_intel.whl"; }
        { file = "cffi-1.13.2-cp37-cp37m-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp37-cp37m-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp37-cp37m-win32.whl"; }
        { file = "cffi-1.13.2-cp37-cp37m-win_amd64.whl"; }
        { file = "cffi-1.13.2-cp38-cp38-macosx_10_9_x86_64.whl"; }
        { file = "cffi-1.13.2-cp38-cp38-manylinux1_i686.whl"; }
        { file = "cffi-1.13.2-cp38-cp38-manylinux1_x86_64.whl"; }
        { file = "cffi-1.13.2-cp38-cp38-win32.whl"; }
        { file = "cffi-1.13.2-cp38-cp38-win_amd64.whl"; }
        { file = "cffi-1.13.2.tar.gz"; }
      ];
    in
    {
      expr = pep425.selectWheel cs;
      expected = [{ file = "cffi-1.13.2-cp27-cp27m-manylinux1_x86_64.whl"; }];
    };

  testMsgPack =
    let
      cs = [
        { file = "msgpack-0.6.2-cp27-cp27m-manylinux1_i686.whl"; }
        { file = "msgpack-0.6.2-cp27-cp27m-manylinux1_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp27-cp27m-win32.whl"; }
        { file = "msgpack-0.6.2-cp27-cp27m-win_amd64.whl"; }
        { file = "msgpack-0.6.2-cp27-cp27mu-manylinux1_i686.whl"; }
        { file = "msgpack-0.6.2-cp27-cp27mu-manylinux1_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp35-cp35m-macosx_10_6_intel.whl"; }
        { file = "msgpack-0.6.2-cp35-cp35m-manylinux1_i686.whl"; }
        { file = "msgpack-0.6.2-cp35-cp35m-manylinux1_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp36-cp36m-macosx_10_6_intel.whl"; }
        { file = "msgpack-0.6.2-cp36-cp36m-manylinux1_i686.whl"; }
        { file = "msgpack-0.6.2-cp36-cp36m-manylinux1_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp36-cp36m-win32.whl"; }
        { file = "msgpack-0.6.2-cp36-cp36m-win_amd64.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-macosx_10_14_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-macosx_10_9_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-manylinux1_i686.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-manylinux1_x86_64.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-win32.whl"; }
        { file = "msgpack-0.6.2-cp37-cp37m-win_amd64.whl"; }
        { file = "msgpack-0.6.2.tar.gz"; }
      ];
    in
    {
      expr = pep425Python37.selectWheel cs;
      expected = [{ file = "msgpack-0.6.2-cp37-cp37m-manylinux1_x86_64.whl"; }];
    };

  testNonManyLinuxWheels =
    let
      cs = [
        { file = "tensorboard-1.14.0-py2-none-any.whl"; }
        { file = "tensorboard-1.14.0-py3-none-any.whl"; }
      ];
    in
    {
      expr = pep425Python37.selectWheel cs;
      expected = [{ file = "tensorboard-1.14.0-py3-none-any.whl"; }];
    };

  testPy2Py3Wheels =
    let
      cs = [
        { file = "tensorboard-1.14.0-py2.py3-none-any.whl"; }
      ];
    in
    {
      expr = pep425Python37.selectWheel cs;
      expected = [{ file = "tensorboard-1.14.0-py2.py3-none-any.whl"; }];
    };

  #
  # toWheelAttrs
  #

  testToWheelAttrs =
    let
      name = "msgpack-0.6.2-cp27-cp27m-manylinux1_i686.whl";
    in
    {
      expr = pep425.toWheelAttrs name;
      expected = {
        pkgName = "msgpack";
        pkgVer = "0.6.2";
        pyVer = "cp27";
        abi = "cp27m";
        platform = "manylinux1_i686";
      };
    };

  testToWheelAttrsAny =
    let
      name = "tensorboard-1.14.0-py3-none-any.whl";
    in
    {
      expr = pep425.toWheelAttrs name;
      expected = {
        pkgName = "tensorboard";
        pkgVer = "1.14.0";
        pyVer = "py3";
        abi = "none";
        platform = "any";
      };
    };

  #
  # isPyVersionCompatible
  #

  tesPyVersionCompatible =
    let
      f = pep425.isPyVersionCompatible;
    in
    {
      expr = [
        (f "cp27" "cp27")
        (f "cp27" "cp37")
        (f "cp27" "py2")
        (f "cp27" "py3")
        (f "cp27" "py2.py3")
        (f "cp37" "py2.py3")
      ];

      expected = [
        true
        false
        true
        false
        true
      ];
    };

}