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297 lines (241 loc) · 7.57 KB
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from __future__ import annotations
import os.path
from unittest import mock
import pytest
import pre_commit.constants as C
from pre_commit import envcontext
from pre_commit import lang_base
from pre_commit.languages import r
from pre_commit.prefix import Prefix
from pre_commit.store import _make_local_repo
from pre_commit.util import resource_text
from pre_commit.util import win_exe
from testing.language_helpers import run_language
def test_r_parsing_file_no_opts_no_args(tmp_path):
cmd = r._cmd_from_hook(
Prefix(str(tmp_path)),
'Rscript some-script.R',
(),
is_local=False,
)
assert cmd == (
'Rscript',
'--no-save', '--no-restore', '--no-site-file', '--no-environ',
str(tmp_path.joinpath('some-script.R')),
)
def test_r_parsing_file_opts_no_args():
with pytest.raises(ValueError) as excinfo:
r._entry_validate(['Rscript', '--no-init', '/path/to/file'])
msg, = excinfo.value.args
assert msg == (
'The only valid syntax is `Rscript -e {expr}`'
'or `Rscript path/to/hook/script`'
)
def test_r_parsing_file_no_opts_args(tmp_path):
cmd = r._cmd_from_hook(
Prefix(str(tmp_path)),
'Rscript some-script.R',
('--no-cache',),
is_local=False,
)
assert cmd == (
'Rscript',
'--no-save', '--no-restore', '--no-site-file', '--no-environ',
str(tmp_path.joinpath('some-script.R')),
'--no-cache',
)
def test_r_parsing_expr_no_opts_no_args1(tmp_path):
cmd = r._cmd_from_hook(
Prefix(str(tmp_path)),
"Rscript -e '1+1'",
(),
is_local=False,
)
assert cmd == (
'Rscript',
'--no-save', '--no-restore', '--no-site-file', '--no-environ',
'-e', '1+1',
)
def test_r_parsing_local_hook_path_is_not_expanded(tmp_path):
cmd = r._cmd_from_hook(
Prefix(str(tmp_path)),
'Rscript path/to/thing.R',
(),
is_local=True,
)
assert cmd == (
'Rscript',
'--no-save', '--no-restore', '--no-site-file', '--no-environ',
'path/to/thing.R',
)
def test_r_parsing_expr_no_opts_no_args2():
with pytest.raises(ValueError) as excinfo:
r._entry_validate(['Rscript', '-e', '1+1', '-e', 'letters'])
msg, = excinfo.value.args
assert msg == 'You can supply at most one expression.'
def test_r_parsing_expr_opts_no_args2():
with pytest.raises(ValueError) as excinfo:
r._entry_validate(
['Rscript', '--vanilla', '-e', '1+1', '-e', 'letters'],
)
msg, = excinfo.value.args
assert msg == (
'The only valid syntax is `Rscript -e {expr}`'
'or `Rscript path/to/hook/script`'
)
def test_r_parsing_expr_args_in_entry2():
with pytest.raises(ValueError) as excinfo:
r._entry_validate(['Rscript', '-e', 'expr1', '--another-arg'])
msg, = excinfo.value.args
assert msg == 'You can supply at most one expression.'
def test_r_parsing_expr_non_Rscirpt():
with pytest.raises(ValueError) as excinfo:
r._entry_validate(['AnotherScript', '-e', '{{}}'])
msg, = excinfo.value.args
assert msg == 'entry must start with `Rscript`.'
def test_rscript_exec_relative_to_r_home():
expected = os.path.join('r_home_dir', 'bin', win_exe('Rscript'))
with envcontext.envcontext((('R_HOME', 'r_home_dir'),)):
assert r._rscript_exec() == expected
def test_path_rscript_exec_no_r_home_set():
with envcontext.envcontext((('R_HOME', envcontext.UNSET),)):
assert r._rscript_exec() == 'Rscript'
@pytest.fixture
def renv_lock_file(tmp_path):
renv_lock = '''\
{
"R": {
"Version": "4.0.3",
"Repositories": [
{
"Name": "CRAN",
"URL": "https://cloud.r-project.org"
}
]
},
"Packages": {
"renv": {
"Package": "renv",
"Version": "0.12.5",
"Source": "Repository",
"Repository": "CRAN",
"Hash": "5c0cdb37f063c58cdab3c7e9fbb8bd2c"
},
"rprojroot": {
"Package": "rprojroot",
"Version": "1.0",
"Source": "Repository",
"Repository": "CRAN",
"Hash": "86704667fe0860e4fec35afdfec137f3"
}
}
}
'''
tmp_path.joinpath('renv.lock').write_text(renv_lock)
yield
@pytest.fixture
def description_file(tmp_path):
description = '''\
Package: gli.clu
Title: What the Package Does (One Line, Title Case)
Type: Package
Version: 0.0.0.9000
Authors@R:
person(given = "First",
family = "Last",
role = c("aut", "cre"),
email = "first.last@example.com",
comment = c(ORCID = "YOUR-ORCID-ID"))
Description: What the package does (one paragraph).
License: `use_mit_license()`, `use_gpl3_license()` or friends to
pick a license
Encoding: UTF-8
LazyData: true
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.1.1
Imports:
rprojroot
'''
tmp_path.joinpath('DESCRIPTION').write_text(description)
yield
@pytest.fixture
def hello_world_file(tmp_path):
hello_world = '''\
stopifnot(
packageVersion('rprojroot') == '1.0',
packageVersion('gli.clu') == '0.0.0.9000'
)
cat("Hello, World, from R!\n")
'''
tmp_path.joinpath('hello-world.R').write_text(hello_world)
yield
@pytest.fixture
def renv_folder(tmp_path):
renv_dir = tmp_path.joinpath('renv')
renv_dir.mkdir()
activate_r = resource_text('empty_template_activate.R')
renv_dir.joinpath('activate.R').write_text(activate_r)
yield
def test_r_hook(
tmp_path,
renv_lock_file,
description_file,
hello_world_file,
renv_folder,
):
expected = (0, b'Hello, World, from R!\n')
assert run_language(tmp_path, r, 'Rscript hello-world.R') == expected
def test_r_inline(tmp_path):
_make_local_repo(str(tmp_path))
cmd = '''\
Rscript -e '
stopifnot(packageVersion("rprojroot") == "1.0")
cat(commandArgs(trailingOnly = TRUE), "from R!\n", sep=", ")
'
'''
ret = run_language(
tmp_path,
r,
cmd,
deps=('rprojroot@1.0',),
args=('hi', 'hello'),
)
assert ret == (0, b'hi, hello, from R!\n')
@pytest.fixture
def prefix(tmpdir):
yield Prefix(str(tmpdir))
@pytest.fixture
def installed_environment(
renv_lock_file,
hello_world_file,
renv_folder,
prefix,
):
env_dir = lang_base.environment_dir(
prefix, r.ENVIRONMENT_DIR, r.get_default_version(),
)
r.install_environment(prefix, C.DEFAULT, ())
yield prefix, env_dir
def test_health_check_healthy(installed_environment):
# should be healthy right after creation
prefix, _ = installed_environment
assert r.health_check(prefix, C.DEFAULT) is None
def test_health_check_after_downgrade(installed_environment):
prefix, _ = installed_environment
# pretend the saved installed version is old
with mock.patch.object(r, '_read_installed_version', return_value='1.0.0'):
output = r.health_check(prefix, C.DEFAULT)
assert output is not None
assert output.startswith('Hooks were installed for R version')
@pytest.mark.parametrize('version', ('NULL', 'NA', "''"))
def test_health_check_without_version(prefix, installed_environment, version):
prefix, env_dir = installed_environment
# simulate old pre-commit install by unsetting the installed version
r._execute_vanilla_r_code_as_script(
f'renv::settings$r.version({version})',
prefix=prefix, version=C.DEFAULT, cwd=env_dir,
)
# no R version specified fails as unhealty
msg = 'Hooks were installed with an unknown R version'
check_output = r.health_check(prefix, C.DEFAULT)
assert check_output is not None and check_output.startswith(msg)