From 4db15c5b771323f1acdeb06e4acc671856da5ea9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 8 Mar 2021 18:48:47 +0100
Subject: Adding upstream version 2.11.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/languages/r_test.py | 104 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 tests/languages/r_test.py

(limited to 'tests/languages')

diff --git a/tests/languages/r_test.py b/tests/languages/r_test.py
new file mode 100644
index 0000000..5c046ef
--- /dev/null
+++ b/tests/languages/r_test.py
@@ -0,0 +1,104 @@
+import os.path
+
+import pytest
+
+from pre_commit.languages import r
+from testing.fixtures import make_config_from_repo
+from testing.fixtures import make_repo
+from tests.repository_test import _get_hook_no_install
+
+
+def _test_r_parsing(
+    tempdir_factory,
+    store,
+    hook_id,
+    expected_hook_expr={},
+    expected_args={},
+):
+    repo_path = 'r_hooks_repo'
+    path = make_repo(tempdir_factory, repo_path)
+    config = make_config_from_repo(path)
+    hook = _get_hook_no_install(config, store, hook_id)
+    ret = r._cmd_from_hook(hook)
+    expected_cmd = 'Rscript'
+    expected_opts = (
+        '--no-save', '--no-restore', '--no-site-file', '--no-environ',
+    )
+    expected_path = os.path.join(
+        hook.prefix.prefix_dir, '.'.join([hook_id, 'R']),
+    )
+    expected = (
+        expected_cmd,
+        *expected_opts,
+        *(expected_hook_expr or (expected_path,)),
+        *expected_args,
+    )
+    assert ret == expected
+
+
+def test_r_parsing_file_no_opts_no_args(tempdir_factory, store):
+    hook_id = 'parse-file-no-opts-no-args'
+    _test_r_parsing(tempdir_factory, store, hook_id)
+
+
+def test_r_parsing_file_opts_no_args(tempdir_factory, store):
+    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(tempdir_factory, store):
+    hook_id = 'parse-file-no-opts-args'
+    expected_args = ['--no-cache']
+    _test_r_parsing(
+        tempdir_factory, store, hook_id, expected_args=expected_args,
+    )
+
+
+def test_r_parsing_expr_no_opts_no_args1(tempdir_factory, store):
+    hook_id = 'parse-expr-no-opts-no-args-1'
+    _test_r_parsing(
+        tempdir_factory, store, hook_id, expected_hook_expr=('-e', '1+1'),
+    )
+
+
+def test_r_parsing_expr_no_opts_no_args2(tempdir_factory, store):
+    with pytest.raises(ValueError) as execinfo:
+        r._entry_validate(['Rscript', '-e', '1+1', '-e', 'letters'])
+    msg = execinfo.value.args
+    assert msg == ('You can supply at most one expression.',)
+
+
+def test_r_parsing_expr_opts_no_args2(tempdir_factory, store):
+    with pytest.raises(ValueError) as execinfo:
+        r._entry_validate(
+            [
+                'Rscript', '--vanilla', '-e', '1+1', '-e', 'letters',
+            ],
+        )
+    msg = execinfo.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(tempdir_factory, store):
+    with pytest.raises(ValueError) as execinfo:
+        r._entry_validate(['Rscript', '-e', 'expr1', '--another-arg'])
+
+    msg = execinfo.value.args
+    assert msg == ('You can supply at most one expression.',)
+
+
+def test_r_parsing_expr_non_Rscirpt(tempdir_factory, store):
+    with pytest.raises(ValueError) as execinfo:
+        r._entry_validate(['AnotherScript', '-e', '{{}}'])
+
+    msg = execinfo.value.args
+    assert msg == ('entry must start with `Rscript`.',)
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