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54 changes: 54 additions & 0 deletions
54
src/test/java/org/jpy/fixtures/MultiThreadedEvalTestFixture.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package org.jpy.fixtures; | ||
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| import org.jpy.PyInputMode; | ||
| import org.jpy.PyLib; | ||
| import org.jpy.PyObject; | ||
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| import java.util.List; | ||
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| public class MultiThreadedEvalTestFixture { | ||
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| public static void expression(String expression, int numThreads) { | ||
| PyObject globals = PyLib.getCurrentGlobals(); | ||
| PyObject locals = PyLib.getCurrentLocals(); | ||
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| List<Thread> threads = new java.util.ArrayList<>(); | ||
| for (int i = 0; i < numThreads; i++) { | ||
| threads.add(new Thread(() -> { | ||
| PyObject.executeCode(expression, PyInputMode.EXPRESSION, globals, locals); | ||
| })); | ||
| } | ||
| for (Thread thread : threads) { | ||
| thread.start(); | ||
| } | ||
| for (Thread thread : threads) { | ||
| try { | ||
| thread.join(); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
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| public static void script(String expression, int numThreads) { | ||
| List<Thread> threads = new java.util.ArrayList<>(); | ||
| PyObject globals = PyLib.getCurrentGlobals(); | ||
| PyObject locals = PyLib.getCurrentLocals(); | ||
| for (int i = 0; i < numThreads; i++) { | ||
| threads.add(new Thread(() -> { | ||
| PyObject.executeCode(expression, PyInputMode.SCRIPT, globals, locals); | ||
| })); | ||
| } | ||
| for (Thread thread : threads) { | ||
| thread.start(); | ||
| } | ||
| for (Thread thread : threads) { | ||
| try { | ||
| thread.join(); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
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|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| import unittest | ||
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| import jpyutil | ||
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| jpyutil.init_jvm(jvm_maxmem='512M', jvm_classpath=['target/classes', 'target/test-classes']) | ||
| import jpy | ||
| # jpy.diag.flags = jpy.diag.F_TYPE | ||
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| NUM_THREADS = 20 | ||
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| class MultiThreadedTestEvalExec(unittest.TestCase): | ||
| def setUp(self): | ||
| self.fixture = jpy.get_type("org.jpy.fixtures.MultiThreadedEvalTestFixture") | ||
| self.assertIsNotNone(self.fixture) | ||
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| def test_inc_baz(self): | ||
| baz = 15 | ||
| self.fixture.script("baz = baz + 1; self.assertGreater(baz, 15)", NUM_THREADS) | ||
| # note: this *is* correct wrt python semantics w/ exec(code, globals(), locals()) | ||
| # https://bugs.python.org/issue4831 (Note: it's *not* a bug, is working as intended) | ||
| self.assertEqual(baz, 15) | ||
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| def test_exec_import(self): | ||
| import sys | ||
| self.assertTrue("json" not in sys.modules) | ||
| self.fixture.script("import json", NUM_THREADS) | ||
| self.assertTrue("json" in sys.modules) | ||
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| def test_java_threading_jpy_get_type(self): | ||
| self.fixture.script("j_child1_class = jpy.get_type(\"org.jpy.fixtures.CyclicReferenceChild1\");j_child2_class =" | ||
| "jpy.get_type(\"org.jpy.fixtures.CyclicReferenceChild2\")", NUM_THREADS) | ||
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| def test_py_threading_jpy_get_type(self): | ||
| import threading | ||
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| test_self = self | ||
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| class MyThread(threading.Thread): | ||
| def __init__(self): | ||
| threading.Thread.__init__(self) | ||
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| def run(self): | ||
| barrier.wait() | ||
| j_child1_class = jpy.get_type("org.jpy.fixtures.CyclicReferenceChild1") | ||
| j_child2_class = jpy.get_type("org.jpy.fixtures.CyclicReferenceChild2") | ||
| j_child2 = j_child2_class() | ||
| j_child1 = j_child1_class.of(8) | ||
| test_self.assertEqual(88, j_child1.parentMethod()) | ||
| test_self.assertEqual(888, j_child1.grandParentMethod()) | ||
| test_self.assertIsNone(j_child1.refChild2(j_child2)) | ||
| test_self.assertEqual(8, j_child1.get_x()) | ||
| test_self.assertEqual(10, j_child1.y) | ||
| test_self.assertEqual(100, j_child1.z) | ||
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| barrier = threading.Barrier(NUM_THREADS) | ||
| threads = [] | ||
| for i in range(NUM_THREADS): | ||
| t = MyThread() | ||
| t.start() | ||
| threads.append(t) | ||
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| for t in threads: | ||
| t.join() | ||
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| if __name__ == '__main__': | ||
| print('\nRunning ' + __file__) | ||
| unittest.main() |