import json
import platform

import pytest

pytest_plugins = 'pytester',
platform


def test_help(testdir):
    result = testdir.runpytest_subprocess('--help')
    result.stdout.fnmatch_lines([
        "*", "*",
        "benchmark:",
        "  --benchmark-min-time=SECONDS",
        "                        *Default: '0.000005'",
        "  --benchmark-max-time=SECONDS",
        "                        *Default: '1.0'",
        "  --benchmark-min-rounds=NUM",
        "                        *Default: 5",
        "  --benchmark-timer=FUNC",
        "  --benchmark-calibration-precision=NUM",
        "                        *Default: 10",
        "  --benchmark-warmup=[KIND]",
        "  --benchmark-warmup-iterations=NUM",
        "                        *Default: 100000",
        "  --benchmark-disable-gc",
        "  --benchmark-skip      *",
        "  --benchmark-only      *",
        "  --benchmark-save=NAME",
        "  --benchmark-autosave  *",
        "  --benchmark-save-data",
        "  --benchmark-json=PATH",
        "  --benchmark-compare=[NUM|_ID]",
        "  --benchmark-compare-fail=EXPR?[[]EXPR?...[]]",
        "  --benchmark-cprofile=COLUMN",
        "  --benchmark-storage=URI",
        "                        *Default: 'file://./.benchmarks'.",
        "  --benchmark-verbose   *",
        "  --benchmark-sort=COL  *",
        "  --benchmark-group-by=LABEL",
        "                        *Default: 'group'",
        "  --benchmark-columns=LABELS",
        "  --benchmark-histogram=[FILENAME-PREFIX]",
        "*",
    ])


def test_groups(testdir):
    test = testdir.makepyfile('''"""
    >>> print('Yay, doctests!')
    Yay, doctests!
"""
import time
import pytest

def test_fast(benchmark):
    benchmark(lambda: time.sleep(0.000001))
    assert 1 == 1

def test_slow(benchmark):
    benchmark(lambda: time.sleep(0.001))
    assert 1 == 1

@pytest.mark.benchmark(group="A")
def test_slower(benchmark):
    benchmark(lambda: time.sleep(0.01))
    assert 1 == 1

@pytest.mark.benchmark(group="A", warmup=True)
def test_xfast(benchmark):
    benchmark(lambda: None)
    assert 1 == 1
''')
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "*",
        "test_groups.py::*test_groups PASSED*",
        "test_groups.py::test_fast PASSED*",
        "test_groups.py::test_slow PASSED*",
        "test_groups.py::test_slower PASSED*",
        "test_groups.py::test_xfast PASSED*",
        "*",
        "* benchmark: 2 tests *",
        "*",
        "* benchmark 'A': 2 tests *",
        "*",
        "*====== 5 passed * ======*",
    ])


SIMPLE_TEST = '''
"""
    >>> print('Yay, doctests!')
    Yay, doctests!
"""
import time
import pytest

def test_fast(benchmark):
    @benchmark
    def result():
        return time.sleep(0.000001)
    assert result == None

def test_slow(benchmark):
    benchmark(lambda: time.sleep(0.1))
    assert 1 == 1
'''

GROUPING_TEST = '''
import pytest

@pytest.mark.parametrize("foo", range(2))
@pytest.mark.benchmark(group="A")
def test_a(benchmark, foo):
    benchmark(str)

@pytest.mark.parametrize("foo", range(2))
@pytest.mark.benchmark(group="B")
def test_b(benchmark, foo):
    benchmark(int)
'''

GROUPING_PARAMS_TEST = '''
import pytest

@pytest.mark.parametrize("bar", ["bar1", "bar2"])
@pytest.mark.parametrize("foo", ["foo1", "foo2"])
@pytest.mark.benchmark(group="A")
def test_a(benchmark, foo, bar):
    benchmark(str)


@pytest.mark.parametrize("bar", ["bar1", "bar2"])
@pytest.mark.parametrize("foo", ["foo1", "foo2"])
@pytest.mark.benchmark(group="B")
def test_b(benchmark, foo, bar):
    benchmark(int)
'''


def test_group_by_name(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_TEST)
    test_y = testdir.makepyfile(test_y=GROUPING_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--benchmark-group-by', 'name', test_x,
                                          test_y)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*', '*',
        "* benchmark 'test_a[[]0[]]': 2 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_a[[]0[]]             *',
        'test_a[[]0[]]             *',
        '----------------------*',
        '*',
        "* benchmark 'test_a[[]1[]]': 2 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_a[[]1[]]             *',
        'test_a[[]1[]]             *',
        '----------------------*',
        '*',
        "* benchmark 'test_b[[]0[]]': 2 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_b[[]0[]]             *',
        'test_b[[]0[]]             *',
        '----------------------*',
        '*',
        "* benchmark 'test_b[[]1[]]': 2 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_b[[]1[]]             *',
        'test_b[[]1[]]             *',
        '----------------------*',
    ])


def test_group_by_func(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_TEST)
    test_y = testdir.makepyfile(test_y=GROUPING_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--benchmark-group-by', 'func', test_x,
                                          test_y)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*',
        "* benchmark 'test_a': 4 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_a[[]*[]]             *',
        'test_a[[]*[]]             *',
        'test_a[[]*[]]             *',
        'test_a[[]*[]]             *',
        '----------------------*',
        '*',
        "* benchmark 'test_b': 4 tests *",
        'Name (time in ?s)     *',
        '----------------------*',
        'test_b[[]*[]]             *',
        'test_b[[]*[]]             *',
        'test_b[[]*[]]             *',
        'test_b[[]*[]]             *',
        '----------------------*',
        '*', '*',
        '============* 8 passed * ============*',
    ])


def test_group_by_fullfunc(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_TEST)
    test_y = testdir.makepyfile(test_y=GROUPING_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--benchmark-group-by', 'fullfunc', test_x,
                                          test_y)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*', '*',
        "* benchmark 'test_x.py::test_a': 2 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_a[[]*[]]         *',
        'test_a[[]*[]]         *',
        '------------------*',
        '',
        "* benchmark 'test_x.py::test_b': 2 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_b[[]*[]]         *',
        'test_b[[]*[]]         *',
        '------------------*',
        '',
        "* benchmark 'test_y.py::test_a': 2 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_a[[]*[]]         *',
        'test_a[[]*[]]         *',
        '------------------*',
        '',
        "* benchmark 'test_y.py::test_b': 2 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_b[[]*[]]         *',
        'test_b[[]*[]]         *',
        '------------------*',
        '',
        'Legend:',
        '  Outliers: 1 Standard Deviation from M*',
        '============* 8 passed * ============*',
    ])


def test_group_by_param_all(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_TEST)
    test_y = testdir.makepyfile(test_y=GROUPING_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--benchmark-group-by', 'param', test_x,
                                          test_y)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*', '*',
        "* benchmark '0': 4 tests *",
        'Name (time in ?s)  *',
        '-------------------*',
        'test_*[[]0[]]          *',
        'test_*[[]0[]]          *',
        'test_*[[]0[]]          *',
        'test_*[[]0[]]          *',
        '-------------------*',
        '',
        "* benchmark '1': 4 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_*[[]1[]]         *',
        'test_*[[]1[]]         *',
        'test_*[[]1[]]         *',
        'test_*[[]1[]]         *',
        '------------------*',
        '',
        'Legend:',
        '  Outliers: 1 Standard Deviation from Mean; 1.5 IQR (InterQuartile Range) from 1st Quartile and 3rd '
        'Quartile.',
        '============* 8 passed * ============*',
    ])


def test_group_by_param_select(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_PARAMS_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001',
                                          '--benchmark-group-by', 'param:foo',
                                          '--benchmark-sort', 'fullname',
                                          test_x)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*', '*',
        "* benchmark 'foo=foo1': 4 tests *",
        'Name (time in ?s)  *',
        '-------------------*',
        'test_a[[]foo1-bar1[]]    *',
        'test_a[[]foo1-bar2[]]    *',
        'test_b[[]foo1-bar1[]]    *',
        'test_b[[]foo1-bar2[]]    *',
        '-------------------*',
        '',
        "* benchmark 'foo=foo2': 4 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_a[[]foo2-bar1[]]    *',
        'test_a[[]foo2-bar2[]]    *',
        'test_b[[]foo2-bar1[]]    *',
        'test_b[[]foo2-bar2[]]    *',
        '------------------*',
        '',
        'Legend:',
        '  Outliers: 1 Standard Deviation from Mean; 1.5 IQR (InterQuartile Range) from 1st Quartile and 3rd '
        'Quartile.',
        '============* 8 passed * ============*',
    ])


def test_group_by_param_select_multiple(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_PARAMS_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001',
                                          '--benchmark-group-by', 'param:foo,param:bar',
                                          '--benchmark-sort', 'fullname',
                                          test_x)
    result.stdout.fnmatch_lines([
        '*', '*', '*', '*', '*',
        "* benchmark 'foo=foo1 bar=bar1': 2 tests *",
        'Name (time in ?s)  *',
        '-------------------*',
        'test_a[[]foo1-bar1[]]    *',
        'test_b[[]foo1-bar1[]]    *',
        '-------------------*',
        '',
        "* benchmark 'foo=foo1 bar=bar2': 2 tests *",
        'Name (time in ?s)  *',
        '-------------------*',
        'test_a[[]foo1-bar2[]]    *',
        'test_b[[]foo1-bar2[]]    *',
        '-------------------*',
        '',
        "* benchmark 'foo=foo2 bar=bar1': 2 tests *",
        'Name (time in ?s) *',
        '------------------*',
        'test_a[[]foo2-bar1[]]    *',
        'test_b[[]foo2-bar1[]]    *',
        '-------------------*',
        '',
        "* benchmark 'foo=foo2 bar=bar2': 2 tests *",
        'Name (time in ?s)  *',
        '-------------------*',
        'test_a[[]foo2-bar2[]]    *',
        'test_b[[]foo2-bar2[]]    *',
        '------------------*',
        '',
        'Legend:',
        '  Outliers: 1 Standard Deviation from Mean; 1.5 IQR (InterQuartile Range) from 1st Quartile and 3rd '
        'Quartile.',
        '============* 8 passed * ============*',
    ])


def test_group_by_fullname(testdir):
    test_x = testdir.makepyfile(test_x=GROUPING_TEST)
    test_y = testdir.makepyfile(test_y=GROUPING_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--benchmark-group-by', 'fullname', test_x,
                                          test_y)
    result.stdout.fnmatch_lines_random([
        "* benchmark 'test_x.py::test_a[[]0[]]': 1 tests *",
        "* benchmark 'test_x.py::test_a[[]1[]]': 1 tests *",
        "* benchmark 'test_x.py::test_b[[]0[]]': 1 tests *",
        "* benchmark 'test_x.py::test_b[[]1[]]': 1 tests *",
        "* benchmark 'test_y.py::test_a[[]0[]]': 1 tests *",
        "* benchmark 'test_y.py::test_a[[]1[]]': 1 tests *",
        "* benchmark 'test_y.py::test_b[[]0[]]': 1 tests *",
        "* benchmark 'test_y.py::test_b[[]1[]]': 1 tests *",
        '============* 8 passed * ============*',
    ])


def test_double_use(testdir):
    test = testdir.makepyfile('''
def test_a(benchmark):
    benchmark(lambda: None)
    benchmark.pedantic(lambda: None)

def test_b(benchmark):
    benchmark.pedantic(lambda: None)
    benchmark(lambda: None)
''')
    result = testdir.runpytest_subprocess(test, '--tb=line')
    result.stdout.fnmatch_lines([
        '*FixtureAlreadyUsed: Fixture can only be used once. Previously it was used in benchmark(...) mode.',
        '*FixtureAlreadyUsed: Fixture can only be used once. Previously it was used in benchmark.pedantic(...) mode.',
    ])


def test_only_override_skip(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-only', '--benchmark-skip', test)
    result.stdout.fnmatch_lines([
        "*collected 2 items",
        "test_only_override_skip.py ..*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          *",
        "test_slow          *",
        "------*",
        "*====== 2 passed * ======*",
    ])


def test_conflict_between_only_and_disable(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-only', '--benchmark-disable', test)
    result.stderr.fnmatch_lines([
        "ERROR: Can't have both --benchmark-only and --benchmark-disable options. Note that --benchmark-disable is "
        "automatically activated if xdist is on or you're missing the statistics dependency."
    ])


def test_max_time_min_rounds(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-max-time=0.000001',
                                          '--benchmark-min-rounds=1', test)
    result.stdout.fnmatch_lines([
        "*collected 3 items",
        "test_max_time_min_rounds.py ...*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          * 1  *",
        "test_slow          * 1  *",
        "------*",
        "*====== 3 passed * ======*",
    ])


def test_max_time(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-max-time=0.000001', test)
    result.stdout.fnmatch_lines([
        "*collected 3 items",
        "test_max_time.py ...*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          * 5  *",
        "test_slow          * 5  *",
        "------*",
        "*====== 3 passed * ======*",
    ])


def test_bogus_max_time(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-max-time=bogus', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-max-time: Invalid decimal value 'bogus': InvalidOperation*",
    ])


@pytest.mark.skipif("platform.python_implementation() == 'PyPy'")
def test_pep418_timer(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          '--benchmark-timer=pep418.perf_counter', test)
    result.stdout.fnmatch_lines([
        "* (defaults: timer=*.perf_counter*",
    ])


def test_bad_save(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-save=asd:f?', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-save: Must not contain any of these characters: /:*?<>|\\ (it has ':?')",
    ])


def test_bad_save_2(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-save=', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-save: Can't be empty.",
    ])


def test_bad_compare_fail(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-compare-fail=?', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-compare-fail: Could not parse value: '?'.",
    ])


def test_bad_rounds(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-min-rounds=asd', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-min-rounds: invalid literal for int() with base 10: 'asd'",
    ])


def test_bad_rounds_2(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-min-rounds=0', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-min-rounds: Value for --benchmark-rounds must be at least 1.",
    ])


def test_compare(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-autosave', test)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          '--benchmark-compare=0001',
                                          '--benchmark-compare-fail=min:0.1', test)
    result.stderr.fnmatch_lines([
        "Comparing against benchmarks from: *0001_unversioned_*.json",
    ])
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          '--benchmark-compare=0001',
                                          '--benchmark-compare-fail=min:1%', test)
    result.stderr.fnmatch_lines([
        "Comparing against benchmarks from: *0001_unversioned_*.json",
    ])


def test_compare_last(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-autosave', test)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-compare',
                                          '--benchmark-compare-fail=min:0.1', test)
    result.stderr.fnmatch_lines([
        "Comparing against benchmarks from: *0001_unversioned_*.json",
    ])
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-compare',
                                          '--benchmark-compare-fail=min:1%', test)
    result.stderr.fnmatch_lines([
        "Comparing against benchmarks from: *0001_unversioned_*.json",
    ])


def test_compare_non_existing(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-autosave', test)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          '--benchmark-compare=0002', '-rw',
                                          test)
    result.stderr.fnmatch_lines([
        "* PytestBenchmarkWarning: Can't compare. No benchmark files * '0002'.",
    ])


def test_compare_non_existing_verbose(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-autosave', test)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          '--benchmark-compare=0002',
                                          test, '--benchmark-verbose')
    result.stderr.fnmatch_lines([
        " WARNING: Can't compare. No benchmark files * '0002'.",
    ])


def test_compare_no_files(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '-rw',
                                          test, '--benchmark-compare')
    result.stderr.fnmatch_lines([
        "* PytestBenchmarkWarning: Can't compare. No benchmark files in '*'. Can't load the previous benchmark."
    ])


def test_compare_no_files_verbose(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          test, '--benchmark-compare', '--benchmark-verbose')
    result.stderr.fnmatch_lines([
        " WARNING: Can't compare. No benchmark files in '*'."
        " Can't load the previous benchmark."
    ])


def test_compare_no_files_match(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '-rw',
                                          test, '--benchmark-compare=1')
    result.stderr.fnmatch_lines([
        "* PytestBenchmarkWarning: Can't compare. No benchmark files in '*' match '1'."
    ])


def test_compare_no_files_match_verbose(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules',
                                          test, '--benchmark-compare=1', '--benchmark-verbose')
    result.stderr.fnmatch_lines([
        " WARNING: Can't compare. No benchmark files in '*' match '1'."
    ])


def test_verbose(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-max-time=0.0000001', '--doctest-modules', '--benchmark-verbose',
                                          '-vv', test)
    result.stderr.fnmatch_lines([
        "  Calibrating to target round *s; will estimate when reaching *s (using: *, precision: *).",
        "    Measured * iterations: *s.",
        "  Running * rounds x * iterations ...",
        "  Ran for *s.",
    ])


def test_save(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-save=foobar',
                                          '--benchmark-max-time=0.0000001', test)
    result.stderr.fnmatch_lines([
        "Saved benchmark data in: *",
    ])
    json.loads(testdir.tmpdir.join('.benchmarks').listdir()[0].join('0001_foobar.json').read())


def test_save_extra_info(testdir):
    test = testdir.makepyfile("""
    def test_extra(benchmark):
        benchmark.extra_info['foo'] = 'bar'
        benchmark(lambda: None)
    """)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-save=foobar',
                                          '--benchmark-max-time=0.0000001', test)
    result.stderr.fnmatch_lines([
        "Saved benchmark data in: *",
    ])
    info = json.loads(testdir.tmpdir.join('.benchmarks').listdir()[0].join('0001_foobar.json').read())
    bench_info = info['benchmarks'][0]
    assert bench_info['name'] == 'test_extra'
    assert bench_info['extra_info'] == {'foo': 'bar'}


def test_update_machine_info_hook_detection(testdir):
    """Tests detection and execution and update_machine_info_hooks.

    Verifies that machine info hooks are detected and executed in nested
    `conftest.py`s.

    """

    record_path_conftest = '''
import os

def pytest_benchmark_update_machine_info(config, machine_info):
    machine_info["conftest_path"] = (
        machine_info.get("conftest_path", []) + [os.path.relpath(__file__)]
    )
    '''

    simple_test = '''
def test_simple(benchmark):
    @benchmark
    def resuilt():
        1+1
    '''

    testdir.makepyfile(**{
        "conftest": record_path_conftest,
        "test_module/conftest": record_path_conftest,
        "test_module/tests/conftest": record_path_conftest,
        "test_module/tests/simple_test.py": simple_test,
    })

    def run_verify_pytest(*args):
        testdir.runpytest_subprocess(
            '--benchmark-json=benchmark.json',
            '--benchmark-max-time=0.0000001',
            *args
        )

        benchmark_json = json.loads(testdir.tmpdir.join('benchmark.json').read())
        machine_info = benchmark_json["machine_info"]

        assert sorted(
            i.replace('\\', '/') for i in machine_info["conftest_path"]
        ) == sorted([
            "conftest.py",
            "test_module/conftest.py",
            "test_module/tests/conftest.py",
        ])

    run_verify_pytest("test_module/tests")
    run_verify_pytest("test_module")
    run_verify_pytest(".")


def test_histogram(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-histogram=foobar',
                                          '--benchmark-max-time=0.0000001', test)
    result.stderr.fnmatch_lines([
        "Generated histogram: *foobar.svg",
    ])
    assert [f.basename for f in testdir.tmpdir.listdir("*.svg", sort=True)] == [
        'foobar.svg',
    ]


def test_autosave(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-autosave',
                                          '--benchmark-max-time=0.0000001', test)
    result.stderr.fnmatch_lines([
        "Saved benchmark data in: *",
    ])
    json.loads(testdir.tmpdir.join('.benchmarks').listdir()[0].listdir('0001_*.json')[0].read())


def test_bogus_min_time(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-min-time=bogus', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-min-time: Invalid decimal value 'bogus': InvalidOperation*",
    ])


def test_disable_gc(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-disable-gc', test)
    result.stdout.fnmatch_lines([
        "*collected 2 items",
        "test_disable_gc.py ..*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          *",
        "test_slow          *",
        "------*",
        "*====== 2 passed * ======*",
    ])


def test_custom_timer(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-timer=time.time', test)
    result.stdout.fnmatch_lines([
        "*collected 2 items",
        "test_custom_timer.py ..*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          *",
        "test_slow          *",
        "------*",
        "*====== 2 passed * ======*",
    ])


def test_bogus_timer(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-timer=bogus', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-timer: Value for --benchmark-timer must be in dotted form. Eg: "
        "'module.attr'.",
    ])


def test_sort_by_mean(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-sort=mean', test)
    result.stdout.fnmatch_lines([
        "*collected 2 items",
        "test_sort_by_mean.py ..*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_fast          *",
        "test_slow          *",
        "------*",
        "*====== 2 passed * ======*",
    ])


def test_bogus_sort(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-sort=bogus', test)
    result.stderr.fnmatch_lines([
        "*usage: *",
        "*: error: argument --benchmark-sort: Unacceptable value: 'bogus'. Value for --benchmark-sort must be one "
        "of: 'min', 'max', 'mean', 'stddev', 'name', 'fullname'."
    ])


def test_xdist(testdir):
    pytest.importorskip('xdist')
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '-n', '1', '-rw', test)
    result.stderr.fnmatch_lines([
        "* Benchmarks are automatically disabled because xdist plugin is active.Benchmarks cannot be "
        "performed reliably in a parallelized environment.",
    ])


def test_xdist_verbose(testdir):
    pytest.importorskip('xdist')
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '-n', '1', '--benchmark-verbose', test)
    result.stderr.fnmatch_lines([
        "------*",
        " WARNING: Benchmarks are automatically disabled because xdist plugin is active.Benchmarks cannot be performed "
        "reliably in a parallelized environment.",
        "------*",
    ])


def test_cprofile(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-cprofile=cumtime', test)
    result.stdout.fnmatch_lines([
        "------------*----------- cProfile (time in s) ------------*-----------",
        "test_cprofile.py::test_fast",
        "ncalls	tottime	percall	cumtime	percall	filename:lineno(function)",
        # "1	0.0000	0.0000	0.0001	0.0001	test_cprofile0/test_cprofile.py:9(result)",
        # "1	0.0001	0.0001	0.0001	0.0001	~:0(<built-in method time.sleep>)",
        # "1	0.0000	0.0000	0.0000	0.0000	~:0(<method 'disable' of '_lsprof.Profiler' objects>)",
        "",
        "test_cprofile.py::test_slow",
        "ncalls	tottime	percall	cumtime	percall	filename:lineno(function)",
        # "1	0.0000	0.0000	0.1002	0.1002	test_cprofile0/test_cprofile.py:15(<lambda>)",
        # "1	0.1002	0.1002	0.1002	0.1002	~:0(<built-in method time.sleep>)",
        # "1	0.0000	0.0000	0.0000	0.0000	~:0(<method 'disable' of '_lsprof.Profiler' objects>)",
    ])


def test_disabled_and_cprofile(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--benchmark-disable', '--benchmark-cprofile=cumtime', test)
    result.stdout.fnmatch_lines([
        "*==== 2 passed*",
    ])


def test_abort_broken(testdir):
    """
    Test that we don't benchmark code that raises exceptions.
    """
    test = testdir.makepyfile('''
"""
    >>> print('Yay, doctests!')
    Yay, doctests!
"""
import time
import pytest

def test_bad(benchmark):
    @benchmark
    def result():
        raise Exception()
    assert 1 == 1

def test_bad2(benchmark):
    @benchmark
    def result():
        time.sleep(0.1)
    assert 1 == 0

@pytest.fixture(params=['a', 'b', 'c'])
def bad_fixture(request):
    raise ImportError()

def test_ok(benchmark, bad_fixture):
    @benchmark
    def result():
        time.sleep(0.1)
    assert 1 == 0
''')
    result = testdir.runpytest_subprocess('-vv', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "*",
        "test_abort_broken.py::test_bad FAILED*",
        "test_abort_broken.py::test_bad2 FAILED*",
        "test_abort_broken.py::test_ok*a* ERROR*",
        "test_abort_broken.py::test_ok*b* ERROR*",
        "test_abort_broken.py::test_ok*c* ERROR*",

        "*====== ERRORS ======*",
        "*______ ERROR at setup of test_ok[[]a[]] ______*",

        "request = <SubRequest 'bad_fixture' for <Function *test_ok*>>",

        "    @pytest.fixture(params=['a', 'b', 'c'])",
        "    def bad_fixture(request):",
        ">       raise ImportError()",
        "E       ImportError",

        "test_abort_broken.py:22: ImportError",
        "*______ ERROR at setup of test_ok[[]b[]] ______*",

        "request = <SubRequest 'bad_fixture' for <Function *test_ok*>>",

        "    @pytest.fixture(params=['a', 'b', 'c'])",
        "    def bad_fixture(request):",
        ">       raise ImportError()",
        "E       ImportError",

        "test_abort_broken.py:22: ImportError",
        "*______ ERROR at setup of test_ok[[]c[]] ______*",

        "request = <SubRequest 'bad_fixture' for <Function *test_ok*>>",

        "    @pytest.fixture(params=['a', 'b', 'c'])",
        "    def bad_fixture(request):",
        ">       raise ImportError()",
        "E       ImportError",

        "test_abort_broken.py:22: ImportError",
        "*====== FAILURES ======*",
        "*______ test_bad ______*",

        "benchmark = <pytest_benchmark.*.BenchmarkFixture object at *>",

        "    def test_bad(benchmark):",
        "?       @benchmark",
        "?       def result():",

        "test_abort_broken.py:*",
        "_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _*",
        "*",
        "_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _*",

        "    @benchmark",
        "    def result():",
        ">       raise Exception()",
        "E       Exception",

        "test_abort_broken.py:11: Exception",
        "*______ test_bad2 ______*",

        "benchmark = <pytest_benchmark.*.BenchmarkFixture object at *>",

        "    def test_bad2(benchmark):",
        "        @benchmark",
        "        def result():",
        "            time.sleep(0.1)",
        ">       assert 1 == 0",
        "E       assert 1 == 0",

        "test_abort_broken.py:18: AssertionError",
    ])

    result.stdout.fnmatch_lines([
        "* benchmark: 1 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_bad2           *",
        "------*",

        "*====== 2 failed*, 3 error* ======*",
    ])


BASIC_TEST = '''
"""
Just to make sure the plugin doesn't choke on doctests::
    >>> print('Yay, doctests!')
    Yay, doctests!
"""
import time
from functools import partial

import pytest

def test_fast(benchmark):
    @benchmark
    def result():
        return time.sleep(0.000001)
    assert result is None

def test_slow(benchmark):
    assert benchmark(partial(time.sleep, 0.001)) is None

def test_slower(benchmark):
    benchmark(lambda: time.sleep(0.01))

@pytest.mark.benchmark(min_rounds=2)
def test_xfast(benchmark):
    benchmark(str)

def test_fast(benchmark):
    benchmark(int)
'''


def test_basic(testdir):
    test = testdir.makepyfile(BASIC_TEST)
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "test_basic.py::*test_basic PASSED*",
        "test_basic.py::test_slow PASSED*",
        "test_basic.py::test_slower PASSED*",
        "test_basic.py::test_xfast PASSED*",
        "test_basic.py::test_fast PASSED*",
        "",
        "* benchmark: 4 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_*         *",
        "test_*         *",
        "test_*         *",
        "test_*         *",
        "------*",
        "",
        "*====== 5 passed * ======*",
    ])


def test_skip(testdir):
    test = testdir.makepyfile(BASIC_TEST)
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', '--benchmark-skip', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "test_skip.py::*test_skip PASSED*",
        "test_skip.py::test_slow SKIPPED*",
        "test_skip.py::test_slower SKIPPED*",
        "test_skip.py::test_xfast SKIPPED*",
        "test_skip.py::test_fast SKIPPED*",
        "*====== 1 passed, 4 skipped * ======*",
    ])


def test_disable(testdir):
    test = testdir.makepyfile(BASIC_TEST)
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', '--benchmark-disable', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "test_disable.py::*test_disable PASSED*",
        "test_disable.py::test_slow PASSED*",
        "test_disable.py::test_slower PASSED*",
        "test_disable.py::test_xfast PASSED*",
        "test_disable.py::test_fast PASSED*",
        "*====== 5 passed * ======*",
    ])


def test_mark_selection(testdir):
    test = testdir.makepyfile(BASIC_TEST)
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', '-m', 'benchmark', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items*",
        "test_mark_selection.py::test_xfast PASSED*",
        "* benchmark: 1 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_xfast       *",
        "------*",
        "*====== 1 passed, 4 deselected * ======*",
    ])


def test_only_benchmarks(testdir):
    test = testdir.makepyfile(BASIC_TEST)
    result = testdir.runpytest_subprocess('-vv', '--doctest-modules', '--benchmark-only', test)
    result.stdout.fnmatch_lines([
        "*collected 5 items",
        "test_only_benchmarks.py::*test_only_benchmarks SKIPPED*",
        "test_only_benchmarks.py::test_slow PASSED*",
        "test_only_benchmarks.py::test_slower PASSED*",
        "test_only_benchmarks.py::test_xfast PASSED*",
        "test_only_benchmarks.py::test_fast PASSED*",
        "* benchmark: 4 tests *",
        "Name (time in ?s) * Min * Max * Mean * StdDev * Rounds * Iterations",
        "------*",
        "test_*         *",
        "test_*         *",
        "test_*         *",
        "test_*         *",
        "------*",
        "*====== 4 passed, 1 skipped * ======*",
    ])


def test_columns(testdir):
    test = testdir.makepyfile(SIMPLE_TEST)
    result = testdir.runpytest_subprocess('--doctest-modules', '--benchmark-columns=max,iterations,min', test)
    result.stdout.fnmatch_lines([
        "*collected 3 items",
        "test_columns.py ...*",
        "* benchmark: 2 tests *",
        "Name (time in ?s) * Max * Iterations * Min *",
        "------*",
    ])
