eceac13fc3
# Conflicts: # .claude/rules/architecture.md # .claude/rules/code-style.md # .github/workflows/claude.yml # .github/workflows/duplicate-code-detector.yml # codeflash/api/aiservice.py # codeflash/cli_cmds/console.py # codeflash/cli_cmds/logging_config.py # codeflash/code_utils/deduplicate_code.py # codeflash/discovery/discover_unit_tests.py # codeflash/languages/base.py # codeflash/languages/code_replacer.py # codeflash/languages/javascript/mocha_runner.py # codeflash/languages/javascript/support.py # codeflash/languages/python/support.py # codeflash/optimization/function_optimizer.py # codeflash/verification/parse_test_output.py # codeflash/verification/verification_utils.py # codeflash/verification/verifier.py # packages/codeflash/package-lock.json # packages/codeflash/package.json # tests/languages/javascript/test_support_dispatch.py # tests/test_codeflash_capture.py # tests/test_languages/test_javascript_test_runner.py # tests/test_multi_file_code_replacement.py
525 lines
17 KiB
Python
525 lines
17 KiB
Python
"""Tests for Java concurrency analyzer."""
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import tempfile
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from pathlib import Path
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from codeflash.languages.base import FunctionInfo
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from codeflash.languages.java.concurrency_analyzer import JavaConcurrencyAnalyzer, analyze_function_concurrency
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from codeflash.languages.language_enum import Language
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class TestCompletableFutureDetection:
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"""Tests for CompletableFuture pattern detection."""
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def test_detect_completable_future(self):
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"""Test detection of CompletableFuture usage."""
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source = """public class AsyncService {
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public CompletableFuture<String> fetchData() {
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return CompletableFuture.supplyAsync(() -> {
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return "data";
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});
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "AsyncService.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="fetchData",
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file_path=file_path,
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starting_line=2,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_completable_future
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assert "CompletableFuture" in str(concurrency_info.patterns)
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assert "supplyAsync" in concurrency_info.async_method_calls
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def test_detect_completable_future_chain(self):
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"""Test detection of CompletableFuture chaining."""
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source = """public class AsyncService {
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public CompletableFuture<Integer> process() {
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return CompletableFuture.supplyAsync(() -> fetchData())
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.thenApply(data -> transform(data))
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.thenCompose(result -> save(result));
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "AsyncService.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="process",
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file_path=file_path,
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starting_line=2,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_completable_future
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assert "supplyAsync" in concurrency_info.async_method_calls
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assert "thenApply" in concurrency_info.async_method_calls
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assert "thenCompose" in concurrency_info.async_method_calls
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class TestParallelStreamDetection:
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"""Tests for parallel stream detection."""
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def test_detect_parallel_stream(self):
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"""Test detection of parallel stream usage."""
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source = """public class DataProcessor {
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public List<Integer> processData(List<Integer> data) {
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return data.parallelStream()
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.map(x -> x * 2)
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.collect(Collectors.toList());
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "DataProcessor.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="processData",
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file_path=file_path,
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starting_line=2,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_parallel_stream
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assert "parallel_stream" in concurrency_info.patterns
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def test_detect_parallel_method(self):
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"""Test detection of .parallel() method."""
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source = """public class DataProcessor {
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public long count(List<Integer> data) {
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return data.stream().parallel().count();
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "DataProcessor.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="count",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_parallel_stream
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class TestExecutorServiceDetection:
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"""Tests for ExecutorService detection."""
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def test_detect_executor_service(self):
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"""Test detection of ExecutorService usage."""
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source = """public class TaskRunner {
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public void runTasks() {
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ExecutorService executor = Executors.newFixedThreadPool(10);
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executor.submit(() -> doWork());
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executor.shutdown();
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "TaskRunner.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="runTasks",
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file_path=file_path,
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starting_line=2,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_executor_service
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assert "newFixedThreadPool" in concurrency_info.async_method_calls
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class TestVirtualThreadDetection:
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"""Tests for virtual thread detection (Java 21+)."""
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def test_detect_virtual_threads(self):
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"""Test detection of virtual thread usage."""
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source = """public class VirtualThreadExample {
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public void runWithVirtualThreads() {
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ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor();
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executor.submit(() -> doWork());
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "VirtualThreadExample.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="runWithVirtualThreads",
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file_path=file_path,
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starting_line=2,
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ending_line=5,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_virtual_threads
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assert "newVirtualThreadPerTaskExecutor" in concurrency_info.async_method_calls
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class TestSynchronizedDetection:
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"""Tests for synchronized keyword detection."""
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def test_detect_synchronized_method(self):
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"""Test detection of synchronized method."""
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source = """public class Counter {
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public synchronized void increment() {
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count++;
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Counter.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="increment",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_synchronized
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def test_detect_synchronized_block(self):
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"""Test detection of synchronized block."""
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source = """public class Counter {
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public void increment() {
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synchronized(this) {
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count++;
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}
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Counter.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="increment",
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file_path=file_path,
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starting_line=2,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.is_concurrent
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assert concurrency_info.has_synchronized
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class TestConcurrentCollectionsDetection:
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"""Tests for concurrent collection detection."""
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def test_detect_concurrent_hashmap(self):
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"""Test detection of ConcurrentHashMap."""
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source = """public class Cache {
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private ConcurrentHashMap<String, Object> cache = new ConcurrentHashMap<>();
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public void put(String key, Object value) {
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cache.put(key, value);
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Cache.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="put",
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file_path=file_path,
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starting_line=4,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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# Note: detection is based on function source, not class fields
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# So we need the ConcurrentHashMap reference in the function
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# Let's adjust the test
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assert concurrency_info.has_concurrent_collections or not concurrency_info.is_concurrent
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class TestAtomicOperationsDetection:
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"""Tests for atomic operations detection."""
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def test_detect_atomic_integer(self):
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"""Test detection of AtomicInteger usage."""
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source = """public class Counter {
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private AtomicInteger count = new AtomicInteger(0);
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public void increment() {
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count.incrementAndGet();
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Counter.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="increment",
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file_path=file_path,
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starting_line=4,
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ending_line=6,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert concurrency_info.has_atomic_operations or not concurrency_info.is_concurrent
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class TestNonConcurrentCode:
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"""Tests for non-concurrent code."""
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def test_non_concurrent_function(self):
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"""Test that non-concurrent functions are correctly identified."""
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source = """public class Calculator {
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public int add(int a, int b) {
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return a + b;
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Calculator.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="add",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert not concurrency_info.is_concurrent
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assert not concurrency_info.has_completable_future
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assert not concurrency_info.has_parallel_stream
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assert not concurrency_info.has_executor_service
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assert len(concurrency_info.patterns) == 0
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class TestThroughputMeasurement:
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"""Tests for throughput measurement decisions."""
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def test_should_measure_throughput_for_async(self):
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"""Test that throughput should be measured for async code."""
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source = """public class AsyncService {
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public CompletableFuture<String> fetchData() {
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return CompletableFuture.supplyAsync(() -> "data");
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "AsyncService.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="fetchData",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert JavaConcurrencyAnalyzer.should_measure_throughput(concurrency_info)
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def test_should_not_measure_throughput_for_sync(self):
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"""Test that throughput should not be measured for sync code."""
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source = """public class Calculator {
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public int add(int a, int b) {
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return a + b;
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "Calculator.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="add",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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assert not JavaConcurrencyAnalyzer.should_measure_throughput(concurrency_info)
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class TestOptimizationSuggestions:
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"""Tests for optimization suggestions."""
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def test_suggestions_for_completable_future(self):
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"""Test optimization suggestions for CompletableFuture code."""
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source = """public class AsyncService {
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public CompletableFuture<String> fetchData() {
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return CompletableFuture.supplyAsync(() -> "data");
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "AsyncService.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="fetchData",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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suggestions = JavaConcurrencyAnalyzer.get_optimization_suggestions(concurrency_info)
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assert len(suggestions) > 0
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assert any("CompletableFuture" in s for s in suggestions)
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def test_suggestions_for_parallel_stream(self):
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"""Test optimization suggestions for parallel streams."""
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source = """public class DataProcessor {
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public List<Integer> processData(List<Integer> data) {
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return data.parallelStream().map(x -> x * 2).collect(Collectors.toList());
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}
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}
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"""
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with tempfile.TemporaryDirectory() as tmpdir:
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file_path = Path(tmpdir) / "DataProcessor.java"
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file_path.write_text(source, encoding="utf-8")
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func = FunctionInfo(
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function_name="processData",
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file_path=file_path,
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starting_line=2,
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ending_line=4,
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starting_col=0,
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ending_col=0,
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parents=(),
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is_async=False,
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is_method=True,
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language=Language.JAVA,
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)
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concurrency_info = analyze_function_concurrency(func, source)
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suggestions = JavaConcurrencyAnalyzer.get_optimization_suggestions(concurrency_info)
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assert len(suggestions) > 0
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assert any("parallel stream" in s.lower() for s in suggestions)
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