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from __future__ import annotations
import os.path
import shutil
import pytest
from pre_commit import envcontext
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 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'
def test_r_hook(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"
}
}
}
'''
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
'''
hello_world_r = '''\
stopifnot(
packageVersion('rprojroot') == '1.0',
packageVersion('gli.clu') == '0.0.0.9000'
)
cat("Hello, World, from R!\n")
'''
tmp_path.joinpath('renv.lock').write_text(renv_lock)
tmp_path.joinpath('DESCRIPTION').write_text(description)
tmp_path.joinpath('hello-world.R').write_text(hello_world_r)
renv_dir = tmp_path.joinpath('renv')
renv_dir.mkdir()
shutil.copy(
os.path.join(
os.path.dirname(__file__),
'../../pre_commit/resources/empty_template_activate.R',
),
renv_dir.joinpath('activate.R'),
)
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')
|
