122 lines
5.1 KiB
Python
122 lines
5.1 KiB
Python
import json
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import tempfile
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import unittest
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from pathlib import Path
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from unittest.mock import patch
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from generate_surface import (
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check_test_parity,
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extract_tests,
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generate_tests,
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mask_csharp_comments,
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reviewed_tests,
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scan_parity_markers,
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)
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class ParityGenerationTests(unittest.TestCase):
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def test_reviewed_tests_include_owning_crate_unit_tests(self) -> None:
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with tempfile.TemporaryDirectory() as temporary:
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root = Path(temporary)
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rust_file = root / "crates" / "example" / "src" / "internal_semantics.rs"
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rust_file.parent.mkdir(parents=True)
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case_id = "Example.Tests.cs::ExampleTests.InternalMember::test"
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rust_file.write_text(
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f"// parity-case: {case_id} {'a' * 64} translated\n"
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"#[test]\nfn internal_member() {}\n"
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)
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review = reviewed_tests(root)[case_id]
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self.assertEqual(review["rust_file"], "crates/example/src/internal_semantics.rs")
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self.assertEqual(review["rust_test"], "internal_member")
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self.assertEqual(scan_parity_markers(root)[case_id][0], review)
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def test_comment_masking_preserves_offsets_and_ignores_fake_tests(self) -> None:
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source = '''var url = "https://example.com/[Test]"; // [Test]\n/* [TestCase(1)] */\n[Test]\n'''
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masked = mask_csharp_comments(source)
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self.assertEqual(len(masked), len(source))
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self.assertEqual(masked.count("\n"), source.count("\n"))
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self.assertIn('"https://example.com/[Test]"', masked)
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self.assertEqual(masked.count("[Test]"), 2)
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with tempfile.TemporaryDirectory() as temporary:
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upstream = Path(temporary)
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tests = upstream / "LibreMetaverse.Tests"
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tests.mkdir()
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(upstream / "LibreMetaverse.Rendering.Tests").mkdir()
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(tests / "Comments.cs").write_text(
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"""public class Comments
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{
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// [Test]
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// public void CommentedOut() {}
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[Test]
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[TestCase(1)]
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[TestCase(2)]
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public void Cases(int value) {}
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}
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"""
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)
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self.assertEqual([case["parameter_case"] for case in extract_tests(upstream)], ["1", "2"])
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def test_reviewed_rust_test_is_preserved_and_excluded_from_placeholders(self) -> None:
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with tempfile.TemporaryDirectory() as temporary:
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root = Path(temporary)
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upstream = root / "upstream"
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source = upstream / "LibreMetaverse.Tests" / "ExampleTests.cs"
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source.parent.mkdir(parents=True)
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(upstream / "LibreMetaverse.Rendering.Tests").mkdir()
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source.write_text(
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"""namespace LibreMetaverse.Tests;
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[Category("Example")]
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public class ExampleTests
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{
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[TestCase(1, Description = "one")]
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public void KeepsIdentity(int value) { Assert.That(value, Is.EqualTo(1)); }
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[Test]
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public void RemainsPending() { Assert.Pass(); }
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}
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"""
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)
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reviewed, _pending = extract_tests(upstream)
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output = root / "output"
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rust_file = output / "tests" / "compat" / "tests" / "example.rs"
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rust_file.parent.mkdir(parents=True)
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rust_file.write_text(
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f"// parity-case: {reviewed['id']} {reviewed['body_sha256']} translated\n"
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"#[test]\nfn translated_case() {}\n"
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)
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original = rust_file.read_bytes()
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with patch("generate_surface.EXPECTED_TESTS", 2):
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self.assertEqual(generate_tests(upstream, output), 2)
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self.assertEqual(rust_file.read_bytes(), original)
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generated = output / "tests/compat/tests/generated_parity.rs"
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self.assertNotIn(reviewed["id"], generated.read_text())
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catalog = json.loads((output / "tests/upstream-tests.json").read_text())
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self.assertEqual(catalog["tests"][0]["status"], "translated")
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self.assertEqual(catalog["tests"][0]["rust_test"], "translated_case")
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self.assertEqual(check_test_parity(output)["unreviewed"], 1)
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generated_text = generated.read_text()
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generated.write_text(generated_text.replace("// parity-case:", "// missing-case:", 1))
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with self.assertRaisesRegex(RuntimeError, "Missing Rust parity cases"):
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check_test_parity(output)
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generated.write_text(generated_text)
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pending = catalog["tests"][1]
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duplicate = (
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f"// parity-case: {pending['id']} {pending['body_sha256']} pending\n"
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"#[test]\nfn duplicate_case() {}\n"
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)
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generated.write_text(duplicate + generated_text)
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with self.assertRaisesRegex(RuntimeError, "Duplicate Rust parity cases"):
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check_test_parity(output)
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generated.write_text(generated_text.replace(pending["body_sha256"], "0" * 64, 1))
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with self.assertRaisesRegex(RuntimeError, "Drifted reviewed C# test bodies"):
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check_test_parity(output)
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if __name__ == "__main__":
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unittest.main()
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