Add initial implementation for running SBT commands.

tests/conftest.py

@@ -4,6 +4,7 @@ import functools
 import io
 import logging
 import os.path
+from pathlib import Path
 from unittest import mock
 
 import pytest
@@ -16,6 +17,7 @@ from pre_commit.util import cmd_output
 from pre_commit.util import make_executable
 from testing.fixtures import git_dir
 from testing.fixtures import make_consuming_repo
+from testing.fixtures import make_repo
 from testing.fixtures import write_config
 from testing.util import cwd
 from testing.util import git_commit
@@ -250,3 +252,9 @@ def set_git_templatedir(tmpdir_factory):
     tdir = str(tmpdir_factory.mktemp('git_template_dir'))
     with envcontext((('GIT_TEMPLATE_DIR', tdir),)):
         yield
+
+
+@pytest.fixture
+def sbt_project_with_touch_command(tempdir_factory):
+    project_repo = make_repo(tempdir_factory, 'sbt_repo_with_touch_command')
+    return Path(project_repo)

tests/languages/sbt_test.py

@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+from itertools import product
+from pathlib import Path
+from typing import Any
+
+import pytest
+
+from pre_commit.hook import Hook
+from pre_commit.languages import sbt
+from testing.util import cwd
+from testing.util import skipif_cant_run_sbt
+
+
+@skipif_cant_run_sbt
+@pytest.mark.parametrize(
+    ['args', 'files'],
+    product(
+        [
+            [], ['argfile1.txt'], ['argfile1.txt', 'argfile2.txt'],
+            ['\"arg file1.txt\"'], ['\"arg file1.txt\"', '\"arg file2.txt\"'],
+        ],
+        [
+            [], ['filesfile1.txt'], ['filesfile1.txt', 'filesfile2.txt'],
+            ['files file1.txt'], ['files file1.txt', 'files file2.txt'],
+        ],
+    ),
+)
+def test_sbt_hook(
+        sbt_project_with_touch_command: Path,
+        args: list[str],
+        files: list[str],
+) -> None:
+    # arrange
+    project_root = sbt_project_with_touch_command
+    hook = _create_hook(
+        language='sbt',
+        entry='touch',
+        args=args,
+    )
+
+    # act
+    with cwd(project_root):
+        ret, out = sbt.run_hook(hook, files, False)
+
+    # assert
+    output = out.decode('UTF-8')
+    assert ret == 0
+    for file in args + files:
+        unquoted_file = _unquote(file)
+        expected_file = project_root.joinpath(unquoted_file).absolute()
+        assert expected_file.exists()
+        assert f'Creating file: {expected_file}' in output
+
+
+def _unquote(s: str) -> str:
+    return s.strip("\"")
+
+
+def _create_hook(**kwargs: Any) -> Hook:
+    default_values = {field: None for field in Hook._fields}
+    actual_values = {**default_values, **kwargs}
+    return Hook(**actual_values)  # type: ignore

tests/repository_test.py

@@ -35,6 +35,7 @@ from testing.util import get_resource_path
 from testing.util import skipif_cant_run_coursier
 from testing.util import skipif_cant_run_docker
 from testing.util import skipif_cant_run_lua
+from testing.util import skipif_cant_run_sbt
 from testing.util import skipif_cant_run_swift
 from testing.util import xfailif_windows
 
@@ -1150,3 +1151,40 @@ def test_local_lua_additional_dependencies(store):
     ret, out = _hook_run(hook, (), color=False)
     assert b'Luacheck' in out
     assert ret == 0
+
+
+@skipif_cant_run_sbt
+def test_sbt_hook(
+        sbt_project_with_touch_command,
+        tempdir_factory,
+        store,
+):
+    # arrange
+    project_root = sbt_project_with_touch_command
+    hooks_repo = make_repo(tempdir_factory, 'sbt_hooks_repo')
+    config = make_config_from_repo(hooks_repo)
+    hook = _get_hook(config, store, 'sbt-create-files')
+
+    # act
+    with cwd(project_root):
+        ret, out = _hook_run(
+            hook,
+            ['file3.txt', 'file4 with space.txt'],
+            color=False,
+        )
+
+    # assert
+    output = out.decode('UTF-8')
+    assert ret == 0
+    file1 = project_root.joinpath('file1.txt').absolute()
+    assert file1.exists()
+    assert f'Creating file: {file1}' in output
+    file2 = project_root.joinpath('file2 with space.txt').absolute()
+    assert file2.exists()
+    assert f'Creating file: {file2}' in output
+    file3 = project_root.joinpath('file3.txt').absolute()
+    assert file3.exists()
+    assert f'Creating file: {file3}' in output
+    file4 = project_root.joinpath('file4 with space.txt').absolute()
+    assert file4.exists()
+    assert f'Creating file: {file4}' in output