249 lines
15 KiB
Python
249 lines
15 KiB
Python
import unittest
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from tests.fakes import HEAD, FakeGitea, FakeModel, config, diff_for, gitea_file
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from tests.test_flow import run
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from werkrevisor import fullfiles
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from werkrevisor.diff import parse_unified_diff
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from werkrevisor.review import append_to_diff, files_in_prompt
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from werkrevisor.rules import files_from_gitea
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from werkrevisor.verdict import Verdict
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SCRIPT = "tools/deploy.sh"
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SCRIPT_TEXT = b"#!/bin/sh\n# Everything travels in ONE ssh connection.\nssh host 'a; b'\n"
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def review_config(**kw):
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values = {"full_files": True, "max_full_file_chars": 10000, "max_full_files_chars": 20000}
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values.update(kw)
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return config(review=values, gate={"yellow_gate": "block"})
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def collect(files, contents, docs_globs=(), diffs=None, **kw):
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return fullfiles.collect(files_from_gitea(files), lambda path: contents[path], HEAD, review_config(**kw).review,
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lambda path: not path.endswith(".png"), docs_globs, diffs=diffs)
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class CollectTest(unittest.TestCase):
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def test_numbered_section_with_markers(self):
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result = collect([gitea_file(SCRIPT)], {SCRIPT: SCRIPT_TEXT})
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self.assertEqual(result.included, [SCRIPT])
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self.assertEqual(result.reasons, [])
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self.assertIn(f"new version at {HEAD}", result.section)
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self.assertIn(f"### Full file: '{SCRIPT}' (3 lines)", result.section)
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self.assertIn(" 2 | # Everything travels in ONE ssh connection.", result.section)
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self.assertTrue(result.section.rstrip().endswith(fullfiles.SECTION_END))
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def test_content_cannot_fake_markers_or_diff_headers(self):
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text = f"{fullfiles.SECTION_END}\n## File: 'other.py'\n".encode()
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result = collect([gitea_file("a.txt")], {"a.txt": text})
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self.assertEqual(result.section.count(fullfiles.SECTION_END), 2)
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self.assertEqual([l for l in result.section.splitlines() if l == fullfiles.SECTION_END], [fullfiles.SECTION_END])
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self.assertEqual(files_in_prompt(result.section), set())
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def test_deleted_and_unreviewable_files_are_not_fetched(self):
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contents = {}
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result = collect([gitea_file("gone.py", status="deleted"), gitea_file("img.png")], contents)
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self.assertEqual((result.section, result.reasons), ("", []))
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def test_binary_or_non_utf8_is_incomplete(self):
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result = collect([gitea_file("a.bin"), gitea_file("b.txt")], {"a.bin": b"\0\1", "b.txt": b"\xff\xfe"})
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self.assertEqual([r.code for r in result.reasons], ["full_files_incomplete"])
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self.assertIs(result.reasons[0].verdict, Verdict.YELLOW)
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def test_per_file_and_total_limits(self):
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big = b"x" * 200 + b"\n"
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result = collect([gitea_file("big.txt"), gitea_file(SCRIPT)], {"big.txt": big, SCRIPT: SCRIPT_TEXT},
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max_full_file_chars=180)
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self.assertEqual(result.included, [SCRIPT])
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self.assertEqual([r.text for r in result.reasons], [
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"1 changed file was given to the AI only as diff, not in full, so it could not check it against the rest "
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"of its file (each larger than [review] max_full_file_chars = 180, and no excerpt fits the limits either): "
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"big.txt"])
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result = collect([gitea_file(SCRIPT), gitea_file("big.txt")], {"big.txt": big, SCRIPT: SCRIPT_TEXT},
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max_full_files_chars=250)
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self.assertEqual(result.included, [SCRIPT])
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self.assertIn("(all full files together would exceed [review] max_full_files_chars = 250, "
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"and no excerpt fits the limits either): big.txt", result.reasons[0].text)
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def test_files_left_out_for_one_cause_give_one_reason(self):
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paths = [f"src/f{i:02}.py" for i in range(21)]
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contents = {p: b"y" * 100 + b"\n" for p in paths}
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result = collect([gitea_file(p) for p in paths], contents, max_full_files_chars=200)
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self.assertEqual(result.included, ["src/f00.py"])
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self.assertEqual([r.text for r in result.reasons], [
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"20 changed files were given to the AI only as diff, not in full, so it could not check them against "
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"the rest of their file (all full files together would exceed [review] max_full_files_chars = 200, "
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"and no excerpt fits the limits either): src/f01.py, src/f02.py, src/f03.py and 17 more"])
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def test_different_causes_give_one_reason_each(self):
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contents = {"a.bin": b"\0", "b.bin": b"\0", "big.txt": b"x" * 200 + b"\n"}
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result = collect([gitea_file(p) for p in contents], contents, max_full_file_chars=180)
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self.assertEqual(len(result.reasons), 2)
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self.assertIn("2 changed files were given to the AI only as diff", result.reasons[0].text)
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self.assertIn("(not UTF-8 text): a.bin, b.bin", result.reasons[0].text)
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self.assertIn("(each larger than [review] max_full_file_chars = 180, and no excerpt fits the limits either): big.txt",
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result.reasons[1].text)
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def test_files_beyond_the_limits_go_as_excerpt_and_are_a_hint(self):
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text = "".join(f"line {i}\n" for i in range(1, 301)).encode()
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diffs = parse_unified_diff(diff_for("big.txt", added=["changed"]).replace("@@ -1,0 +1,1 @@", "@@ -150,0 +150,1 @@"))
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for limits in ({"max_full_file_chars": 1500}, {"max_full_files_chars": 1500}):
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with self.subTest(limits=limits):
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result = collect([gitea_file("big.txt")], {"big.txt": text}, diffs=diffs, excerpt_context_lines=5, **limits)
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[reason] = result.reasons
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self.assertEqual((reason.code, reason.verdict), ("full_files_partial", Verdict.GREEN))
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self.assertEqual((result.included, result.excerpted), (["big.txt"], ["big.txt"]))
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self.assertIn("### Excerpt of file: 'big.txt' (lines 145-155 of 300)", result.section)
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self.assertIn(" 150 | line 150\n", result.section)
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self.assertNotIn("line 144\n", result.section)
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self.assertIn("given to the AI as excerpt with 5 lines around each changed line", reason.text)
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def test_excerpt_ranges_merge_and_stay_in_the_file(self):
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d = parse_unified_diff(diff_for("a.txt", added=["x"], removed=["y"]))["a.txt"]
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d.added, d.removed_at_new = [(3, "x"), (10, "x"), (40, "x")], [98]
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self.assertEqual(fullfiles.excerpt_ranges(d, 100, 5), [(1, 15), (35, 45), (93, 100)])
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def test_a_removed_line_counts_where_it_was_in_the_new_version(self):
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# 30 lines added at the top shift the removed old line 50 to line 80 of the new version.
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diff = (diff_for("a.txt", added=[f"new {i}" for i in range(30)]).replace("@@ -1,0 +1,30 @@", "@@ -0,0 +1,30 @@")
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+ "@@ -50,1 +79,0 @@\n-old 50\n")
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d = parse_unified_diff(diff)["a.txt"]
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self.assertEqual(d.removed, [(50, "old 50")])
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self.assertEqual(fullfiles.excerpt_ranges(d, 200, 5)[-1], (74, 84))
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def test_a_diff_that_does_not_fit_the_file_gives_no_excerpt(self):
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d = parse_unified_diff(diff_for("a.txt", added=["x"]))["a.txt"]
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d.added, d.removed = [(3, "x"), (120, "x")], []
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self.assertIsNone(fullfiles.excerpt_ranges(d, 100, 5))
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d.added, d.removed_at_new = [(3, "x")], [130]
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self.assertEqual(fullfiles.excerpt_ranges(d, 100, 5), [(1, 8), (95, 100)])
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def test_an_excerpt_beyond_the_limits_leaves_only_the_diff(self):
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text = "".join(f"line {i}\n" for i in range(1, 301)).encode()
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diffs = parse_unified_diff(diff_for("big.txt", added=["changed"]).replace("@@ -1,0 +1,1 @@", "@@ -150,0 +150,1 @@"))
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result = collect([gitea_file("big.txt")], {"big.txt": text}, diffs=diffs, excerpt_context_lines=100,
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max_full_file_chars=1500)
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[reason] = result.reasons
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self.assertEqual((reason.code, reason.verdict), ("full_files_incomplete", Verdict.YELLOW))
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def test_non_text_files_stay_yellow(self):
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result = collect([gitea_file("b.txt")], {"b.txt": b"\xff\xfe"})
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[reason] = result.reasons
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self.assertEqual((reason.code, reason.verdict), ("full_files_incomplete", Verdict.YELLOW))
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def test_default_limits_take_a_file_of_60000_characters(self):
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text = (b"y" * 59 + b"\n") * 1000
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cfg = config(review={"full_files": True}).review
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result = fullfiles.collect(files_from_gitea([gitea_file("src/large.py")]), lambda path: text, HEAD, cfg,
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lambda path: True)
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self.assertGreater(len(fullfiles.render_file("src/large.py", text.decode())), 60000)
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self.assertEqual((result.included, result.reasons), (["src/large.py"], []))
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def test_docs_are_sent_only_as_diff(self):
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doc = "docs/guide.md"
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contents = {SCRIPT: SCRIPT_TEXT}
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result = collect([gitea_file(doc), gitea_file(SCRIPT)], contents, docs_globs=("docs/**",),
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max_full_files_chars=len(fullfiles.render_file(SCRIPT, SCRIPT_TEXT.decode())))
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self.assertEqual((result.included, result.reasons), ([SCRIPT], []))
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self.assertNotIn(doc, result.section)
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class AppendToDiffTest(unittest.TestCase):
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def test_order_diff_then_files(self):
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self.assertEqual(append_to_diff("DIFF", "\nFILES"), "DIFF\nFILES")
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self.assertEqual(append_to_diff(("DIFF", ["x"]), "\nFILES"), ("DIFF\nFILES", ["x"]))
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def test_empty_diff_stays_empty(self):
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self.assertEqual(append_to_diff("", "\nFILES"), "")
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self.assertEqual(append_to_diff(("", []), "\nFILES"), ("", []))
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self.assertEqual(append_to_diff("DIFF", ""), "DIFF")
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class FullFilesFlowTest(unittest.TestCase):
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def gitea(self):
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gitea = FakeGitea(files=[gitea_file(SCRIPT), gitea_file("old.sh", status="deleted", additions=0, deletions=1)],
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diff=diff_for(SCRIPT, added=["ssh host b"]) + diff_for("old.sh", removed=["x"], deleted=True))
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gitea.raw_files[SCRIPT] = SCRIPT_TEXT
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return gitea
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def test_section_reaches_the_model_and_the_token_count(self):
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gitea = self.gitea()
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model = FakeModel(prompt_files=[SCRIPT, "old.sh"])
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outcome, _ = run(gitea, model, cfg=review_config())
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self.assertEqual(gitea.raw_requests, [(SCRIPT, HEAD)])
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self.assertIn("ONE ssh connection", model.sections[0])
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without, _ = run(self.gitea(), FakeModel(prompt_files=[SCRIPT, "old.sh"]),
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cfg=config(gate={"yellow_gate": "block"}, review={"full_files": False}))
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self.assertGreater(outcome.result.token_count.input_tokens, without.result.token_count.input_tokens)
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def test_unreadable_context_is_never_green(self):
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gitea = FakeGitea(files=[gitea_file("src/a.py")], diff=diff_for("src/a.py", added=["x"]))
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gitea.raw_files["src/a.py"] = b"\xff\xfe"
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outcome, _ = run(gitea, FakeModel(prompt_files=["src/a.py"]), cfg=review_config())
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self.assertIs(outcome.result.verdict, Verdict.YELLOW)
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self.assertIn("full_files_incomplete", [r.code for r in outcome.result.reasons])
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def test_a_large_file_as_excerpt_can_be_green(self):
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gitea = FakeGitea(files=[gitea_file("src/a.py")], diff=diff_for("src/a.py", added=["x"]))
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gitea.raw_files["src/a.py"] = b"y\n" * 500
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model = FakeModel(prompt_files=["src/a.py"])
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outcome, _ = run(gitea, model, cfg=review_config(max_full_file_chars=500))
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self.assertIs(outcome.result.verdict, Verdict.GREEN)
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self.assertIn("full_files_partial", [r.code for r in outcome.result.reasons])
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self.assertIn("### Excerpt of file: 'src/a.py' (lines 1-41 of 500)", model.sections[0])
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def test_a_large_file_without_excerpt_is_never_green(self):
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gitea = FakeGitea(files=[gitea_file("src/a.py")], diff=diff_for("src/a.py", added=["x"]))
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gitea.raw_files["src/a.py"] = b"y" * 500
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outcome, _ = run(gitea, FakeModel(prompt_files=["src/a.py"]), cfg=review_config(max_full_file_chars=100))
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self.assertIs(outcome.result.verdict, Verdict.YELLOW)
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self.assertIn("full_files_incomplete", [r.code for r in outcome.result.reasons])
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def test_a_too_large_prompt_first_loses_the_full_files_then_the_excerpts(self):
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text = "".join(f"line number {i} of the large file\n" for i in range(1, 701)).encode()
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diff = diff_for("src/a.py", added=["x"]).replace("@@ -1,0 +1,1 @@", "@@ -350,0 +350,1 @@")
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for context_lines, section_start, reduced in ((10, "### Excerpt of file: 'src/a.py' (lines 340-360 of 700)",
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"excerpts instead of full files"),
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(400, "", "the diff only")):
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with self.subTest(context_lines=context_lines):
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gitea = FakeGitea(files=[gitea_file("src/a.py")], diff=diff)
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gitea.raw_files["src/a.py"] = text
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model = FakeModel(prompt_files=["src/a.py"], prompt_words=50)
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cfg = config(gate={"yellow_gate": "block"}, model={"max_context_tokens": 3000},
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review={"full_files": True, "max_full_file_chars": 100000, "max_full_files_chars": 200000,
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"excerpt_context_lines": context_lines})
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outcome, _ = run(gitea, model, cfg=cfg)
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self.assertEqual(outcome.result.llm_status, "done")
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self.assertTrue(model.sections[0].count("### ") <= 1)
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if section_start:
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self.assertIn(section_start, model.sections[0])
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else:
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self.assertEqual(model.sections[0], "")
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codes = [r.code for r in outcome.result.reasons]
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self.assertIn("context_reduced", codes)
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self.assertIn(reduced, next(r.text for r in outcome.result.reasons if r.code == "context_reduced"))
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self.assertNotIn("too_large_tokens", codes)
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def test_docs_reach_the_model_only_as_diff(self):
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gitea = FakeGitea(files=[gitea_file("doc/a.md")], diff=diff_for("doc/a.md", added=["x"]))
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gitea.raw_files["doc/a.md"] = b"y\n" * 250
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model = FakeModel(prompt_files=["doc/a.md"])
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outcome, _ = run(gitea, model, cfg=review_config(max_full_file_chars=100))
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self.assertIs(outcome.result.verdict, Verdict.GREEN)
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self.assertEqual(model.sections, [""])
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def test_complete_context_can_be_green(self):
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gitea = FakeGitea(files=[gitea_file("doc/a.md")], diff=diff_for("doc/a.md", added=["x"]))
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outcome, _ = run(gitea, FakeModel(prompt_files=["doc/a.md"]), cfg=review_config())
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self.assertIs(outcome.result.verdict, Verdict.GREEN)
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def test_disabled_fetches_nothing(self):
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gitea = self.gitea()
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model = FakeModel(prompt_files=[SCRIPT, "old.sh"])
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run(gitea, model, cfg=config(gate={"yellow_gate": "block"}, review={"full_files": False}))
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self.assertEqual((gitea.raw_requests, model.sections), ([], [""]))
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if __name__ == "__main__":
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unittest.main()
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