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test_utils.py
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test_utils.py
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from __future__ import annotations
import logging
import operator
import os
import shlex
import sys
from pathlib import Path
import pip
import pytest
from click import BadOptionUsage, Context, FileError
from pip._vendor.packaging.version import Version
from piptools.scripts.compile import cli as compile_cli
from piptools.utils import (
as_tuple,
dedup,
drop_extras,
flat_map,
format_requirement,
format_specifier,
get_click_dest_for_option,
get_compile_command,
get_hashes_from_ireq,
get_pip_version_for_python_executable,
get_sys_path_for_python_executable,
is_pinned_requirement,
is_url_requirement,
key_from_ireq,
lookup_table,
lookup_table_from_tuples,
override_defaults_from_config_file,
)
def test_format_requirement(from_line):
ireq = from_line("test==1.2")
assert format_requirement(ireq) == "test==1.2"
@pytest.mark.parametrize(
("line", "expected"),
(
pytest.param(
"https://example.com/example.zip",
"https://example.com/example.zip",
id="simple url",
),
pytest.param(
"example @ https://example.com/example.zip",
"example @ https://example.com/example.zip",
id="direct reference",
),
pytest.param(
"Example @ https://example.com/example.zip",
"example @ https://example.com/example.zip",
id="direct reference lowered case",
),
pytest.param(
"example @ https://example.com/example.zip#egg=example",
"example @ https://example.com/example.zip",
id="direct reference with egg in fragment",
),
pytest.param(
"example @ https://example.com/example.zip#subdirectory=test&egg=example",
"example @ https://example.com/example.zip#subdirectory=test",
id="direct reference with subdirectory and egg in fragment",
),
pytest.param(
"example @ https://example.com/example.zip#subdirectory=test"
"&egg=example&sha1=594b7dd32bec37d8bf70a6ffa8866d30e93f3c42",
"example @ https://example.com/example.zip#subdirectory=test"
"&sha1=594b7dd32bec37d8bf70a6ffa8866d30e93f3c42",
id="direct reference with subdirectory, hash and egg in fragment",
),
pytest.param(
"example @ https://example.com/example.zip?egg=test",
"example @ https://example.com/example.zip?egg=test",
id="direct reference with egg in query",
),
pytest.param(
"file:./vendor/package.zip",
"file:./vendor/package.zip",
id="file scheme relative path",
),
pytest.param(
"file:vendor/package.zip",
"file:vendor/package.zip",
id="file scheme relative path",
),
pytest.param(
"file:vendor/package.zip#egg=example",
"file:vendor/package.zip#egg=example",
id="file scheme relative path with egg",
),
pytest.param(
"file:./vendor/package.zip#egg=example",
"file:./vendor/package.zip#egg=example",
id="file scheme relative path with egg",
),
pytest.param(
"file:///vendor/package.zip",
"file:///vendor/package.zip",
id="file scheme absolute path without direct reference",
),
pytest.param(
"file:///vendor/package.zip#egg=test",
"test @ file:///vendor/package.zip",
id="file scheme absolute path with egg",
),
pytest.param(
"package @ file:///vendor/package.zip",
"package @ file:///vendor/package.zip",
id="file scheme absolute path with direct reference",
),
pytest.param(
"package @ file:///vendor/package.zip#egg=example",
"package @ file:///vendor/package.zip",
id="file scheme absolute path with direct reference and egg",
),
pytest.param(
"package @ file:///vendor/package.zip#egg=example&subdirectory=test"
"&sha1=594b7dd32bec37d8bf70a6ffa8866d30e93f3c42",
"package @ file:///vendor/package.zip#subdirectory=test"
"&sha1=594b7dd32bec37d8bf70a6ffa8866d30e93f3c42",
id="full path with direct reference, egg, subdirectory and hash",
),
),
)
def test_format_requirement_url(from_line, line, expected):
ireq = from_line(line)
assert format_requirement(ireq) == expected
def test_format_requirement_editable_vcs(from_editable):
ireq = from_editable("git+git://fake.org/x/y.git#egg=y")
assert format_requirement(ireq) == "-e git+git://fake.org/x/y.git#egg=y"
def test_format_requirement_editable_vcs_with_password(from_editable):
ireq = from_editable("git+git://user:[email protected]/x/y.git#egg=y")
assert (
format_requirement(ireq) == "-e git+git://user:[email protected]/x/y.git#egg=y"
)
def test_format_requirement_editable_local_path(from_editable):
ireq = from_editable("file:///home/user/package")
assert format_requirement(ireq) == "-e file:///home/user/package"
def test_format_requirement_ireq_with_hashes(from_line):
ireq = from_line("pytz==2017.2")
ireq_hashes = [
"sha256:d1d6729c85acea5423671382868627129432fba9a89ecbb248d8d1c7a9f01c67",
"sha256:f5c056e8f62d45ba8215e5cb8f50dfccb198b4b9fbea8500674f3443e4689589",
]
expected = (
"pytz==2017.2 \\\n"
" --hash=sha256:d1d6729c85acea542367138286"
"8627129432fba9a89ecbb248d8d1c7a9f01c67 \\\n"
" --hash=sha256:f5c056e8f62d45ba8215e5cb8f5"
"0dfccb198b4b9fbea8500674f3443e4689589"
)
assert format_requirement(ireq, hashes=ireq_hashes) == expected
def test_format_requirement_ireq_with_hashes_and_markers(from_line):
ireq = from_line("pytz==2017.2")
marker = 'python_version<"3.0"'
ireq_hashes = [
"sha256:d1d6729c85acea5423671382868627129432fba9a89ecbb248d8d1c7a9f01c67",
"sha256:f5c056e8f62d45ba8215e5cb8f50dfccb198b4b9fbea8500674f3443e4689589",
]
expected = (
'pytz==2017.2 ; python_version<"3.0" \\\n'
" --hash=sha256:d1d6729c85acea542367138286"
"8627129432fba9a89ecbb248d8d1c7a9f01c67 \\\n"
" --hash=sha256:f5c056e8f62d45ba8215e5cb8f5"
"0dfccb198b4b9fbea8500674f3443e4689589"
)
assert format_requirement(ireq, marker, hashes=ireq_hashes) == expected
def test_format_specifier(from_line, from_editable):
ireq = from_line("foo")
assert format_specifier(ireq) == "<any>"
ireq = from_line("foo==1.2")
assert format_specifier(ireq) == "==1.2"
ireq = from_line("foo>1.2,~=1.1,<1.5")
assert format_specifier(ireq) == "~=1.1,>1.2,<1.5"
ireq = from_line("foo~=1.1,<1.5,>1.2")
assert format_specifier(ireq) == "~=1.1,>1.2,<1.5"
ireq = from_editable("git+https://github.com/django/django.git#egg=django")
assert format_specifier(ireq) == "<any>"
ireq = from_editable("file:///home/user/package")
assert format_specifier(ireq) == "<any>"
def test_as_tuple(from_line):
ireq = from_line("foo==1.1")
name, version, extras = as_tuple(ireq)
assert name == "foo"
assert version == "1.1"
assert extras == ()
ireq = from_line("foo[extra1,extra2]==1.1")
name, version, extras = as_tuple(ireq)
assert name == "foo"
assert version == "1.1"
assert extras == ("extra1", "extra2")
# Non-pinned versions aren't accepted
should_be_rejected = ["foo==1.*", "foo~=1.1,<1.5,>1.2", "foo"]
for spec in should_be_rejected:
ireq = from_line(spec)
with pytest.raises(TypeError):
as_tuple(ireq)
def test_flat_map():
assert [1, 2, 4, 1, 3, 9] == list(flat_map(lambda x: [1, x, x * x], [2, 3]))
def test_dedup():
assert list(dedup([3, 1, 2, 4, 3, 5])) == [3, 1, 2, 4, 5]
def test_get_hashes_from_ireq(from_line):
ireq = from_line(
"pytz==2017.2",
hash_options={
"sha256": [
"d1d6729c85acea5423671382868627129432fba9a89ecbb248d8d1c7a9f01c67",
"f5c056e8f62d45ba8215e5cb8f50dfccb198b4b9fbea8500674f3443e4689589",
]
},
)
expected = {
"sha256:d1d6729c85acea5423671382868627129432fba9a89ecbb248d8d1c7a9f01c67",
"sha256:f5c056e8f62d45ba8215e5cb8f50dfccb198b4b9fbea8500674f3443e4689589",
}
assert get_hashes_from_ireq(ireq) == expected
@pytest.mark.parametrize(
("line", "expected"),
(
("django==1.8", True),
("django===1.8", True),
("django>1.8", False),
("django~=1.8", False),
("django==1.*", False),
("file:///example.zip", False),
("https://example.com/example.zip", False),
),
)
def test_is_pinned_requirement(from_line, line, expected):
ireq = from_line(line)
assert is_pinned_requirement(ireq) is expected
def test_is_pinned_requirement_editable(from_editable):
ireq = from_editable("git+git://fake.org/x/y.git#egg=y")
assert not is_pinned_requirement(ireq)
def test_key_from_ireq_normalization(from_line):
keys = set()
for line in ("zope.event", "zope-event", "zope_event", "ZOPE.event"):
keys.add(key_from_ireq(from_line(line)))
assert len(keys) == 1
@pytest.mark.parametrize(
("line", "expected"),
(
("django==1.8", False),
("django", False),
("file:///example.zip", True),
("https://example.com/example.zip", True),
("https://example.com/example.zip#egg=example", True),
("git+https://github.com/jazzband/pip-tools@main", True),
),
)
def test_is_url_requirement(caplog, from_line, line, expected):
ireq = from_line(line)
assert is_url_requirement(ireq) is expected
@pytest.mark.parametrize("line", ("../example.zip", "/example.zip"))
def test_is_url_requirement_filename(caplog, from_line, line):
# Ignore warning:
#
# Requirement '../example.zip' looks like a filename, but the file does
# not exist
caplog.set_level(logging.ERROR, logger="pip")
ireq = from_line(line)
assert is_url_requirement(ireq) is True
@pytest.mark.parametrize(
("cli_args", "expected_command"),
(
# Check empty args
([], "pip-compile"),
# Check all options which will be excluded from command
(["-v"], "pip-compile"),
(["--verbose"], "pip-compile"),
(["-n"], "pip-compile"),
(["--dry-run"], "pip-compile"),
(["-q"], "pip-compile"),
(["--quiet"], "pip-compile"),
(["-r"], "pip-compile"),
(["--rebuild"], "pip-compile"),
(["-U"], "pip-compile"),
(["--upgrade"], "pip-compile"),
(["-P", "django"], "pip-compile"),
(["--upgrade-package", "django"], "pip-compile"),
# Check options
(["--max-rounds", "42"], "pip-compile --max-rounds=42"),
(["--index-url", "https://foo"], "pip-compile --index-url=https://foo"),
# Check that short options will be expanded to long options
(["-p"], "pip-compile --pre"),
(["-f", "links"], "pip-compile --find-links=links"),
(["-i", "https://foo"], "pip-compile --index-url=https://foo"),
# Check positive flags
(["--generate-hashes"], "pip-compile --generate-hashes"),
(["--pre"], "pip-compile --pre"),
(["--allow-unsafe"], "pip-compile --allow-unsafe"),
# Check negative flags
(["--no-emit-index-url"], "pip-compile --no-emit-index-url"),
(["--no-emit-trusted-host"], "pip-compile --no-emit-trusted-host"),
(["--no-annotate"], "pip-compile --no-annotate"),
(["--no-allow-unsafe"], "pip-compile"),
(["--no-emit-options"], "pip-compile --no-emit-options"),
# Check that default values will be removed from the command
(["--emit-trusted-host"], "pip-compile"),
(["--emit-options"], "pip-compile"),
(["--annotate"], "pip-compile"),
(["--emit-index-url"], "pip-compile"),
(["--max-rounds=10"], "pip-compile"),
(["--build-isolation"], "pip-compile"),
# Check options with multiple values
(
["--find-links", "links1", "--find-links", "links2"],
"pip-compile --find-links=links1 --find-links=links2",
),
# Check that option values will be quoted
(["-f", "foo;bar"], "pip-compile --find-links='foo;bar'"),
(["-f", "συνδέσεις"], "pip-compile --find-links='συνδέσεις'"),
(["-o", "my file.txt"], "pip-compile --output-file='my file.txt'"),
(["-o", "απαιτήσεις.txt"], "pip-compile --output-file='απαιτήσεις.txt'"),
# Check '--pip-args' (forwarded) arguments
(
["--pip-args", "--disable-pip-version-check"],
"pip-compile --pip-args='--disable-pip-version-check'",
),
(
["--pip-args", "--disable-pip-version-check --isolated"],
"pip-compile --pip-args='--disable-pip-version-check --isolated'",
),
pytest.param(
["--extra-index-url", "https://username:[email protected]/"],
"pip-compile --extra-index-url='https://username:****@example.com/'",
id="redact password in index",
),
pytest.param(
["--find-links", "https://username:[email protected]/"],
"pip-compile --find-links='https://username:****@example.com/'",
id="redact password in link",
),
),
)
def test_get_compile_command(tmpdir_cwd, cli_args, expected_command):
"""
Test general scenarios for the get_compile_command function.
"""
with compile_cli.make_context("pip-compile", cli_args) as ctx:
assert get_compile_command(ctx) == expected_command
@pytest.mark.parametrize(
("config_file", "expected_command"),
(
pytest.param(
"pyproject.toml", "pip-compile", id="exclude default pyproject.toml"
),
pytest.param(
".pip-tools.toml", "pip-compile", id="exclude default .pip-tools.toml"
),
pytest.param(
"my-config.toml",
"pip-compile --config=my-config.toml",
id="include non-default my-config.toml",
),
),
)
def test_get_compile_command_with_config(tmpdir_cwd, config_file, expected_command):
"""Test that get_compile_command excludes or includes config file."""
with open(config_file, "w"):
pass
with compile_cli.make_context("pip-compile", ["--config", config_file]) as ctx:
assert get_compile_command(ctx) == expected_command
def test_get_compile_command_escaped_filenames(tmpdir_cwd):
"""
Test that get_compile_command output (re-)escapes ' -- '-escaped filenames.
"""
with open("--requirements.in", "w"):
pass
with compile_cli.make_context("pip-compile", ["--", "--requirements.in"]) as ctx:
assert get_compile_command(ctx) == "pip-compile -- --requirements.in"
@pytest.mark.parametrize(
"filename", ("requirements.in", "my requirements.in", "απαιτήσεις.txt")
)
def test_get_compile_command_with_files(tmpdir_cwd, filename):
"""
Test that get_compile_command returns a command with correct
and sanitized file names.
"""
os.mkdir("sub")
path = os.path.join("sub", filename)
with open(path, "w"):
pass
args = [path, "--output-file", "requirements.txt"]
with compile_cli.make_context("pip-compile", args) as ctx:
assert (
get_compile_command(ctx)
== f"pip-compile --output-file=requirements.txt {shlex.quote(path)}"
)
def test_get_compile_command_sort_args(tmpdir_cwd):
"""
Test that get_compile_command correctly sorts arguments.
The order is "pip-compile {sorted options} {sorted src files}".
"""
with open("setup.py", "w"), open("requirements.in", "w"):
pass
args = [
"--no-emit-index-url",
"--no-emit-trusted-host",
"--no-annotate",
"setup.py",
"--find-links",
"foo",
"--find-links",
"bar",
"requirements.in",
]
with compile_cli.make_context("pip-compile", args) as ctx:
assert get_compile_command(ctx) == (
"pip-compile --find-links=bar --find-links=foo "
"--no-annotate --no-emit-index-url --no-emit-trusted-host "
"requirements.in setup.py"
)
@pytest.mark.parametrize(
"tuples",
(
(("f", "foo"), ("b", "bar"), ("b", "baz"), ("q", "qux"), ("q", "quux")),
iter((("f", "foo"), ("b", "bar"), ("b", "baz"), ("q", "qux"), ("q", "quux"))),
),
)
def test_lookup_table_from_tuples(tuples):
expected = {"b": {"bar", "baz"}, "f": {"foo"}, "q": {"quux", "qux"}}
assert lookup_table_from_tuples(tuples) == expected
@pytest.mark.parametrize(
("values", "key"),
(
(("foo", "bar", "baz", "qux", "quux"), operator.itemgetter(0)),
(iter(("foo", "bar", "baz", "qux", "quux")), operator.itemgetter(0)),
),
)
def test_lookup_table(values, key):
expected = {"b": {"bar", "baz"}, "f": {"foo"}, "q": {"quux", "qux"}}
assert lookup_table(values, key) == expected
def test_lookup_table_from_tuples_with_empty_values():
assert lookup_table_from_tuples(()) == {}
def test_lookup_table_with_empty_values():
assert lookup_table((), operator.itemgetter(0)) == {}
@pytest.mark.parametrize(
("given", "expected"),
(
("", None),
("extra == 'dev'", None),
("extra == 'dev' or extra == 'test'", None),
("os_name == 'nt' and extra == 'dev'", "os_name == 'nt'"),
("extra == 'dev' and os_name == 'nt'", "os_name == 'nt'"),
("os_name == 'nt' or extra == 'dev'", "os_name == 'nt'"),
("extra == 'dev' or os_name == 'nt'", "os_name == 'nt'"),
("(extra == 'dev') or os_name == 'nt'", "os_name == 'nt'"),
("os_name == 'nt' and (extra == 'dev' or extra == 'test')", "os_name == 'nt'"),
("os_name == 'nt' or (extra == 'dev' or extra == 'test')", "os_name == 'nt'"),
("(extra == 'dev' or extra == 'test') or os_name == 'nt'", "os_name == 'nt'"),
("(extra == 'dev' or extra == 'test') and os_name == 'nt'", "os_name == 'nt'"),
(
"os_name == 'nt' or (os_name == 'unix' and extra == 'test')",
"os_name == 'nt' or os_name == 'unix'",
),
(
"(os_name == 'unix' and extra == 'test') or os_name == 'nt'",
"os_name == 'unix' or os_name == 'nt'",
),
(
"(os_name == 'unix' or extra == 'test') and os_name == 'nt'",
"os_name == 'unix' and os_name == 'nt'",
),
(
"(os_name == 'unix' or os_name == 'nt') and extra == 'dev'",
"os_name == 'unix' or os_name == 'nt'",
),
(
"(os_name == 'unix' and extra == 'test' or python_version < '3.5')"
" or os_name == 'nt'",
"(os_name == 'unix' or python_version < '3.5') or os_name == 'nt'",
),
(
"os_name == 'unix' and extra == 'test' or os_name == 'nt'",
"os_name == 'unix' or os_name == 'nt'",
),
(
"os_name == 'unix' or extra == 'test' and os_name == 'nt'",
"os_name == 'unix' or os_name == 'nt'",
),
),
)
def test_drop_extras(from_line, given, expected):
ireq = from_line(f"test;{given}")
drop_extras(ireq)
if expected is None:
assert ireq.markers is None
else:
assert str(ireq.markers).replace("'", '"') == expected.replace("'", '"')
def test_get_pip_version_for_python_executable():
result = get_pip_version_for_python_executable(sys.executable)
assert Version(pip.__version__) == result
def test_get_sys_path_for_python_executable():
result = get_sys_path_for_python_executable(sys.executable)
assert result, "get_sys_path_for_python_executable should not return empty result"
# not testing for equality, because pytest adds extra paths into current sys.path
for path in result:
assert path in sys.path
@pytest.mark.parametrize(
("pyproject_param", "new_default"),
(
# From sync
("ask", True),
("dry-run", True),
("find-links", ["changed"]),
("extra-index-url", ["changed"]),
("trusted-host", ["changed"]),
("no-index", True),
("python-executable", "changed"),
("verbose", True),
("quiet", True),
("user", True),
("cert", "changed"),
("client-cert", "changed"),
("pip-args", "changed"),
# From compile, unless also in sync
("pre", True),
("rebuild", True),
("extras", ["changed"]),
("all-extras", True),
("index-url", "changed"),
("header", False),
("emit-trusted-host", False),
("annotate", False),
("annotation-style", "line"),
("upgrade", True),
("upgrade-package", ["changed"]),
("output-file", "changed"),
("newline", "native"),
("allow-unsafe", True),
("strip-extras", True),
("generate-hashes", True),
("reuse-hashes", False),
("max-rounds", 100),
("build-isolation", False),
("emit-find-links", False),
("cache-dir", "changed"),
("resolver", "backtracking"),
("emit-index-url", False),
("emit-options", False),
("unsafe-package", ["changed"]),
),
)
def test_callback_config_file_defaults(pyproject_param, new_default, make_config_file):
config_file = make_config_file(pyproject_param, new_default)
# Create a "compile" run example pointing to the config file
ctx = Context(compile_cli)
ctx.params["src_files"] = (str(config_file),)
found_config_file = override_defaults_from_config_file(ctx, "config", None)
assert found_config_file == config_file
# Make sure the default has been updated
lookup_param = get_click_dest_for_option(pyproject_param)
assert ctx.default_map[lookup_param] == new_default
@pytest.mark.parametrize(
"mv_option",
(
"extra",
"upgrade-package",
"unsafe-package",
"find-links",
"extra-index-url",
"trusted-host",
),
)
def test_callback_config_file_defaults_multi_value_options(mv_option, make_config_file):
config_file = make_config_file(mv_option, "not-a-list")
ctx = Context(compile_cli)
ctx.params["src_files"] = (str(config_file),)
with pytest.raises(BadOptionUsage, match="must be a list"):
override_defaults_from_config_file(ctx, "config", None)
def test_callback_config_file_defaults_bad_toml(make_config_file):
config_file = make_config_file("verbose", True)
# Simple means of making invalid TOML: have duplicate keys
with Path(config_file).open("r+") as fs:
config_text_lines = fs.readlines()
fs.write(config_text_lines[-1])
ctx = Context(compile_cli)
ctx.params["src_files"] = (str(config_file),)
with pytest.raises(FileError, match="Could not parse "):
override_defaults_from_config_file(ctx, "config", None)
def test_callback_config_file_defaults_precedence(make_config_file):
piptools_config_file = make_config_file("newline", "LF")
project_config_file = make_config_file("newline", "CRLF", "pyproject.toml")
ctx = Context(compile_cli)
ctx.params["src_files"] = (str(project_config_file),)
found_config_file = override_defaults_from_config_file(ctx, "config", None)
# The pip-tools specific config file should take precedence over pyproject.toml
assert found_config_file == piptools_config_file
lookup_param = get_click_dest_for_option("newline")
assert ctx.default_map[lookup_param] == "LF"
def test_callback_config_file_defaults_unreadable_toml(make_config_file):
ctx = Context(compile_cli)
with pytest.raises(FileError, match="Could not read "):
override_defaults_from_config_file(
ctx,
"config",
"/dev/null/path/does/not/exist/my-config.toml",
)