[build/plugins/ytest] Allow prebuilt linters for opensource

Без этого, ydb или не сможет запускать flake8 с помощью ya make.
Или к ним поедет сборка flake8.
Возможно последнее и не так плохо, но сейчас предлагается пока так

1 files changed, 101 insertions, 0 deletions

diff --git a/tools/flake8_linter/bin/tests/test_report.py b/tools/flake8_linter/bin/tests/test_report.py
new file mode 100644
index 0000000000..9304fe86b3
--- /dev/null
+++ b/tools/flake8_linter/bin/tests/test_report.py
@@ -0,0 +1,101 @@
+import pytest
+
+from . import util
+
+FLAKE8_CONFIG_DATA = """
+    [flake8]
+    select = E, W, F
+    ignore =
+        E122,
+"""
+
+
+def test_no_errors():
+    test_file = "project/test.py"
+    runner = util.LinterRunner()
+    runner.create_source_tree(util.DEFAULT_CONFIGS + [test_file])
+
+    run_result = runner.run_test([test_file])
+
+    abs_test_file = runner.abs_source_file_path(test_file)
+    file_report = run_result.report_data["report"][abs_test_file]
+    assert file_report["status"] == "GOOD"
+    assert file_report["message"] == ""
+    assert file_report["elapsed"] >= 0.0
+
+
+def test_skip_markup():
+    test_file = "project/test.py"
+    flake8_result = """
+        [[bad]]
+        [[rst]]
+    """
+
+    runner = util.LinterRunner()
+    runner.create_source_tree(util.DEFAULT_CONFIGS + [test_file])
+
+    run_result = runner.run_test([test_file], flake8_result=flake8_result)
+
+    abs_test_file = runner.abs_source_file_path(test_file)
+    file_report = run_result.report_data["report"][abs_test_file]
+    assert file_report["status"] == "GOOD"
+    assert file_report["message"] == ""
+    assert file_report["elapsed"] >= 0.0
+
+
+@pytest.mark.parametrize(
+    "errors",
+    [
+        [("10", "F401", "Error with row number only")],
+        [("10:20", "F401", "Error with row and column numbers")],
+        [
+            ("10", "F401", "Multiple errors: the first error"),
+            ("20", "F402", "Multiple errors: the second error"),
+        ],
+    ],
+)
+def test_error_formatting(errors):
+    test_file = "project/test.py"
+    flake8_result = "[[bad]]\n"
+    for file_pos, code, text in errors:
+        flake8_result += f"{{test_dir}}/{test_file}:{file_pos}: [{code}] {text}\n"
+    flake8_result += "[[rst]]\n"
+
+    runner = util.LinterRunner()
+    runner.create_source_tree(util.DEFAULT_CONFIGS + [test_file])
+
+    run_result = runner.run_test([test_file], flake8_result=flake8_result)
+
+    abs_test_file = runner.abs_source_file_path(test_file)
+    file_report = run_result.report_data["report"][abs_test_file]
+    expected_message_lines = []
+    for file_pos, code, text in errors:
+        if ":" in file_pos:
+            row, col = file_pos.split(":")
+            col_with_sep = col + ":"
+        else:
+            row = file_pos
+            col_with_sep = ""
+        line = f"[[unimp]]{abs_test_file}[[rst]]:[[alt2]]{row}[[rst]]:[[alt2]]{col_with_sep}[[rst]] [[[alt1]]{code}[[rst]]] [[bad]]{text}[[rst]]"
+        expected_message_lines.append(line)
+
+    assert file_report["status"] == "FAIL"
+    assert file_report["message"] == "\n".join(expected_message_lines)
+    assert file_report["elapsed"] >= 0.0
+
+
+def test_fail_on_wrong_message():
+    test_file = "project/test.py"
+    flake8_result = """
+        [[bad]]
+        Unexpected error message
+        [[rst]]
+    """
+
+    runner = util.LinterRunner()
+    runner.create_source_tree(util.DEFAULT_CONFIGS + [test_file])
+
+    run_result = runner.run_test([test_file], flake8_result=flake8_result)
+
+    assert run_result.linter_run_result.returncode != 0
+    assert "Cannot parse flake8 output line" in run_result.linter_run_result.stderr