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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport concurrent.futures import contextvars import functools import gc import random import time import unittest import weakref try: from _testcapi import hamt except ImportError: hamt = None def isolated_context(func): """Needed to make reftracking test mode work.""" @functools.wraps(func) def wrapper(*args, **kwargs): ctx = contextvars.Context() return ctx.run(func, *args, **kwargs) return wrapper class ContextTest(unittest.TestCase): def test_context_var_new_1(self): with self.assertRaisesRegex(TypeError, 'takes exactly 1'): contextvars.ContextVar() with self.assertRaisesRegex(TypeError, 'must be a str'): contextvars.ContextVar(1) c = contextvars.ContextVar('aaa') self.assertEqual(c.name, 'aaa') with self.assertRaises(AttributeError): c.name = 'bbb' self.assertNotEqual(hash(c), hash('aaa')) @isolated_context def test_context_var_repr_1(self): c = contextvars.ContextVar('a') self.assertIn('a', repr(c)) c = contextvars.ContextVar('a', default=123) self.assertIn('123', repr(c)) lst = [] c = contextvars.ContextVar('a', default=lst) lst.append(c) self.assertIn('...', repr(c)) self.assertIn('...', repr(lst)) t = c.set(1) self.assertIn(repr(c), repr(t)) self.assertNotIn(' used ', repr(t)) c.reset(t) self.assertIn(' used ', repr(t)) def test_context_subclassing_1(self): with self.assertRaisesRegex(TypeError, 'not an acceptable base type'): class MyContextVar(contextvars.ContextVar): # Potentially we might want ContextVars to be subclassable. pass with self.assertRaisesRegex(TypeError, 'not an acceptable base type'): class MyContext(contextvars.Context): pass with self.assertRaisesRegex(TypeError, 'not an acceptable base type'): class MyToken(contextvars.Token): pass def test_context_new_1(self): with self.assertRaisesRegex(TypeError, 'any arguments'): contextvars.Context(1) with self.assertRaisesRegex(TypeError, 'any arguments'): contextvars.Context(1, a=1) with self.assertRaisesRegex(TypeError, 'any arguments'): contextvars.Context(a=1) contextvars.Context(**{}) def test_context_typerrors_1(self): ctx = contextvars.Context() with self.assertRaisesRegex(TypeError, 'ContextVar key was expected'): ctx[1] with self.assertRaisesRegex(TypeError, 'ContextVar key was expected'): 1 in ctx with self.assertRaisesRegex(TypeError, 'ContextVar key was expected'): ctx.get(1) def test_context_get_context_1(self): ctx = contextvars.copy_context() self.assertIsInstance(ctx, contextvars.Context) def test_context_run_1(self): ctx = contextvars.Context() with self.assertRaisesRegex(TypeError, 'missing 1 required'): ctx.run() def test_context_run_2(self): ctx = contextvars.Context() def func(*args, **kwargs): kwargs['spam'] = 'foo' args += ('bar',) return args, kwargs for f in (func, functools.partial(func)): # partial doesn't support FASTCALL self.assertEqual(ctx.run(f), (('bar',), {'spam': 'foo'})) self.assertEqual(ctx.run(f, 1), ((1, 'bar'), {'spam': 'foo'})) self.assertEqual( ctx.run(f, a=2), (('bar',), {'a': 2, 'spam': 'foo'})) self.assertEqual( ctx.run(f, 11, a=2), ((11, 'bar'), {'a': 2, 'spam': 'foo'})) a = {} self.assertEqual( ctx.run(f, 11, **a), ((11, 'bar'), {'spam': 'foo'})) self.assertEqual(a, {}) def test_context_run_3(self): ctx = contextvars.Context() def func(*args, **kwargs): 1 / 0 with self.assertRaises(ZeroDivisionError): ctx.run(func) with self.assertRaises(ZeroDivisionError): ctx.run(func, 1, 2) with self.assertRaises(ZeroDivisionError): ctx.run(func, 1, 2, a=123) @isolated_context def test_context_run_4(self): ctx1 = contextvars.Context() ctx2 = contextvars.Context() var = contextvars.ContextVar('var') def func2(): self.assertIsNone(var.get(None)) def func1(): self.assertIsNone(var.get(None)) var.set('spam') ctx2.run(func2) self.assertEqual(var.get(None), 'spam') cur = contextvars.copy_context() self.assertEqual(len(cur), 1) self.assertEqual(cur[var], 'spam') return cur returned_ctx = ctx1.run(func1) self.assertEqual(ctx1, returned_ctx) self.assertEqual(returned_ctx[var], 'spam') self.assertIn(var, returned_ctx) def test_context_run_5(self): ctx = contextvars.Context() var = contextvars.ContextVar('var') def func(): self.assertIsNone(var.get(None)) var.set('spam') 1 / 0 with self.assertRaises(ZeroDivisionError): ctx.run(func) self.assertIsNone(var.get(None)) def test_context_run_6(self): ctx = contextvars.Context() c = contextvars.ContextVar('a', default=0) def fun(): self.assertEqual(c.get(), 0) self.assertIsNone(ctx.get(c)) c.set(42) self.assertEqual(c.get(), 42) self.assertEqual(ctx.get(c), 42) ctx.run(fun) def test_context_run_7(self): ctx = contextvars.Context() def fun(): with self.assertRaisesRegex(RuntimeError, 'is already entered'): ctx.run(fun) ctx.run(fun) @isolated_context def test_context_getset_1(self): c = contextvars.ContextVar('c') with self.assertRaises(LookupError): c.get() self.assertIsNone(c.get(None)) t0 = c.set(42) self.assertEqual(c.get(), 42) self.assertEqual(c.get(None), 42) self.assertIs(t0.old_value, t0.MISSING) self.assertIs(t0.old_value, contextvars.Token.MISSING) self.assertIs(t0.var, c) t = c.set('spam') self.assertEqual(c.get(), 'spam') self.assertEqual(c.get(None), 'spam') self.assertEqual(t.old_value, 42) c.reset(t) self.assertEqual(c.get(), 42) self.assertEqual(c.get(None), 42) c.set('spam2') with self.assertRaisesRegex(RuntimeError, 'has already been used'): c.reset(t) self.assertEqual(c.get(), 'spam2') ctx1 = contextvars.copy_context() self.assertIn(c, ctx1) c.reset(t0) with self.assertRaisesRegex(RuntimeError, 'has already been used'): c.reset(t0) self.assertIsNone(c.get(None)) self.assertIn(c, ctx1) self.assertEqual(ctx1[c], 'spam2') self.assertEqual(ctx1.get(c, 'aa'), 'spam2') self.assertEqual(len(ctx1), 1) self.assertEqual(list(ctx1.items()), [(c, 'spam2')]) self.assertEqual(list(ctx1.values()), ['spam2']) self.assertEqual(list(ctx1.keys()), [c]) self.assertEqual(list(ctx1), [c]) ctx2 = contextvars.copy_context() self.assertNotIn(c, ctx2) with self.assertRaises(KeyError): ctx2[c] self.assertEqual(ctx2.get(c, 'aa'), 'aa') self.assertEqual(len(ctx2), 0) self.assertEqual(list(ctx2), []) @isolated_context def test_context_getset_2(self): v1 = contextvars.ContextVar('v1') v2 = contextvars.ContextVar('v2') t1 = v1.set(42) with self.assertRaisesRegex(ValueError, 'by a different'): v2.reset(t1) @isolated_context def test_context_getset_3(self): c = contextvars.ContextVar('c', default=42) ctx = contextvars.Context() def fun(): self.assertEqual(c.get(), 42) with self.assertRaises(KeyError): ctx[c] self.assertIsNone(ctx.get(c)) self.assertEqual(ctx.get(c, 'spam'), 'spam') self.assertNotIn(c, ctx) self.assertEqual(list(ctx.keys()), []) t = c.set(1) self.assertEqual(list(ctx.keys()), [c]) self.assertEqual(ctx[c], 1) c.reset(t) self.assertEqual(list(ctx.keys()), []) with self.assertRaises(KeyError): ctx[c] ctx.run(fun) @isolated_context def test_context_getset_4(self): c = contextvars.ContextVar('c', default=42) ctx = contextvars.Context() tok = ctx.run(c.set, 1) with self.assertRaisesRegex(ValueError, 'different Context'): c.reset(tok) @isolated_context def test_context_getset_5(self): c = contextvars.ContextVar('c', default=42) c.set([]) def fun(): c.set([]) c.get().append(42) self.assertEqual(c.get(), [42]) contextvars.copy_context().run(fun) self.assertEqual(c.get(), []) def test_context_copy_1(self): ctx1 = contextvars.Context() c = contextvars.ContextVar('c', default=42) def ctx1_fun(): c.set(10) ctx2 = ctx1.copy() self.assertEqual(ctx2[c], 10) c.set(20) self.assertEqual(ctx1[c], 20) self.assertEqual(ctx2[c], 10) ctx2.run(ctx2_fun) self.assertEqual(ctx1[c], 20) self.assertEqual(ctx2[c], 30) def ctx2_fun(): self.assertEqual(c.get(), 10) c.set(30) self.assertEqual(c.get(), 30) ctx1.run(ctx1_fun) @isolated_context def test_context_threads_1(self): cvar = contextvars.ContextVar('cvar') def sub(num): for i in range(10): cvar.set(num + i) time.sleep(random.uniform(0.001, 0.05)) self.assertEqual(cvar.get(), num + i) return num tp = concurrent.futures.ThreadPoolExecutor(max_workers=10) try: results = list(tp.map(sub, range(10))) finally: tp.shutdown() self.assertEqual(results, list(range(10))) # HAMT Tests class HashKey: _crasher = None def __init__(self, hash, name, *, error_on_eq_to=None): assert hash != -1 self.name = name self.hash = hash self.error_on_eq_to = error_on_eq_to def __repr__(self): return f'' def __hash__(self): if self._crasher is not None and self._crasher.error_on_hash: raise HashingError return self.hash def __eq__(self, other): if not isinstance(other, HashKey): return NotImplemented if self._crasher is not None and self._crasher.error_on_eq: raise EqError if self.error_on_eq_to is not None and self.error_on_eq_to is other: raise ValueError(f'cannot compare {self!r} to {other!r}') if other.error_on_eq_to is not None and other.error_on_eq_to is self: raise ValueError(f'cannot compare {other!r} to {self!r}') return (self.name, self.hash) == (other.name, other.hash) class KeyStr(str): def __hash__(self): if HashKey._crasher is not None and HashKey._crasher.error_on_hash: raise HashingError return super().__hash__() def __eq__(self, other): if HashKey._crasher is not None and HashKey._crasher.error_on_eq: raise EqError return super().__eq__(other) class HaskKeyCrasher: def __init__(self, *, error_on_hash=False, error_on_eq=False): self.error_on_hash = error_on_hash self.error_on_eq = error_on_eq def __enter__(self): if HashKey._crasher is not None: raise RuntimeError('cannot nest crashers') HashKey._crasher = self def __exit__(self, *exc): HashKey._crasher = None class HashingError(Exception): pass class EqError(Exception): pass @unittest.skipIf(hamt is None, '_testcapi lacks "hamt()" function') class HamtTest(unittest.TestCase): def test_hashkey_helper_1(self): k1 = HashKey(10, 'aaa') k2 = HashKey(10, 'bbb') self.assertNotEqual(k1, k2) self.assertEqual(hash(k1), hash(k2)) d = dict() d[k1] = 'a' d[k2] = 'b' self.assertEqual(d[k1], 'a') self.assertEqual(d[k2], 'b') def test_hamt_basics_1(self): h = hamt() h = None # NoQA def test_hamt_basics_2(self): h = hamt() self.assertEqual(len(h), 0) h2 = h.set('a', 'b') self.assertIsNot(h, h2) self.assertEqual(len(h), 0) self.assertEqual(len(h2), 1) self.assertIsNone(h.get('a')) self.assertEqual(h.get('a', 42), 42) self.assertEqual(h2.get('a'), 'b') h3 = h2.set('b', 10) self.assertIsNot(h2, h3) self.assertEqual(len(h), 0) self.assertEqual(len(h2), 1) self.assertEqual(len(h3), 2) self.assertEqual(h3.get('a'), 'b') self.assertEqual(h3.get('b'), 10) self.assertIsNone(h.get('b')) self.assertIsNone(h2.get('b')) self.assertIsNone(h.get('a')) self.assertEqual(h2.get('a'), 'b') h = h2 = h3 = None def test_hamt_basics_3(self): h = hamt() o = object() h1 = h.set('1', o) h2 = h1.set('1', o) self.assertIs(h1, h2) def test_hamt_basics_4(self): h = hamt() h1 = h.set('key', []) h2 = h1.set('key', []) self.assertIsNot(h1, h2) self.assertEqual(len(h1), 1) self.assertEqual(len(h2), 1) self.assertIsNot(h1.get('key'), h2.get('key')) def test_hamt_collision_1(self): k1 = HashKey(10, 'aaa') k2 = HashKey(10, 'bbb') k3 = HashKey(10, 'ccc') h = hamt() h2 = h.set(k1, 'a') h3 = h2.set(k2, 'b') self.assertEqual(h.get(k1), None) self.assertEqual(h.get(k2), None) self.assertEqual(h2.get(k1), 'a') self.assertEqual(h2.get(k2), None) self.assertEqual(h3.get(k1), 'a') self.assertEqual(h3.get(k2), 'b') h4 = h3.set(k2, 'cc') h5 = h4.set(k3, 'aa') self.assertEqual(h3.get(k1), 'a') self.assertEqual(h3.get(k2), 'b') self.assertEqual(h4.get(k1), 'a') self.assertEqual(h4.get(k2), 'cc') self.assertEqual(h4.get(k3), None) self.assertEqual(h5.get(k1), 'a') self.assertEqual(h5.get(k2), 'cc') self.assertEqual(h5.get(k2), 'cc') self.assertEqual(h5.get(k3), 'aa') self.assertEqual(len(h), 0) self.assertEqual(len(h2), 1) self.assertEqual(len(h3), 2) self.assertEqual(len(h4), 2) self.assertEqual(len(h5), 3) def test_hamt_collision_3(self): # Test that iteration works with the deepest tree possible. # https://github.com/python/cpython/issues/93065 C = HashKey(0b10000000_00000000_00000000_00000000, 'C') D = HashKey(0b10000000_00000000_00000000_00000000, 'D') E = HashKey(0b00000000_00000000_00000000_00000000, 'E') h = hamt() h = h.set(C, 'C') h = h.set(D, 'D') h = h.set(E, 'E') # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # BitmapNode(size=4 count=2 bitmap=0b101): # : 'E' # NULL: # CollisionNode(size=4 id=0x107a24520): # : 'C' # : 'D' self.assertEqual({k.name for k in h.keys()}, {'C', 'D', 'E'}) def test_hamt_stress(self): COLLECTION_SIZE = 7000 TEST_ITERS_EVERY = 647 CRASH_HASH_EVERY = 97 CRASH_EQ_EVERY = 11 RUN_XTIMES = 3 for _ in range(RUN_XTIMES): h = hamt() d = dict() for i in range(COLLECTION_SIZE): key = KeyStr(i) if not (i % CRASH_HASH_EVERY): with HaskKeyCrasher(error_on_hash=True): with self.assertRaises(HashingError): h.set(key, i) h = h.set(key, i) if not (i % CRASH_EQ_EVERY): with HaskKeyCrasher(error_on_eq=True): with self.assertRaises(EqError): h.get(KeyStr(i)) # really trigger __eq__ d[key] = i self.assertEqual(len(d), len(h)) if not (i % TEST_ITERS_EVERY): self.assertEqual(set(h.items()), set(d.items())) self.assertEqual(len(h.items()), len(d.items())) self.assertEqual(len(h), COLLECTION_SIZE) for key in range(COLLECTION_SIZE): self.assertEqual(h.get(KeyStr(key), 'not found'), key) keys_to_delete = list(range(COLLECTION_SIZE)) random.shuffle(keys_to_delete) for iter_i, i in enumerate(keys_to_delete): key = KeyStr(i) if not (iter_i % CRASH_HASH_EVERY): with HaskKeyCrasher(error_on_hash=True): with self.assertRaises(HashingError): h.delete(key) if not (iter_i % CRASH_EQ_EVERY): with HaskKeyCrasher(error_on_eq=True): with self.assertRaises(EqError): h.delete(KeyStr(i)) h = h.delete(key) self.assertEqual(h.get(key, 'not found'), 'not found') del d[key] self.assertEqual(len(d), len(h)) if iter_i == COLLECTION_SIZE // 2: hm = h dm = d.copy() if not (iter_i % TEST_ITERS_EVERY): self.assertEqual(set(h.keys()), set(d.keys())) self.assertEqual(len(h.keys()), len(d.keys())) self.assertEqual(len(d), 0) self.assertEqual(len(h), 0) # ============ for key in dm: self.assertEqual(hm.get(str(key)), dm[key]) self.assertEqual(len(dm), len(hm)) for i, key in enumerate(keys_to_delete): hm = hm.delete(str(key)) self.assertEqual(hm.get(str(key), 'not found'), 'not found') dm.pop(str(key), None) self.assertEqual(len(d), len(h)) if not (i % TEST_ITERS_EVERY): self.assertEqual(set(h.values()), set(d.values())) self.assertEqual(len(h.values()), len(d.values())) self.assertEqual(len(d), 0) self.assertEqual(len(h), 0) self.assertEqual(list(h.items()), []) def test_hamt_delete_1(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(102, 'C') D = HashKey(103, 'D') E = HashKey(104, 'E') Z = HashKey(-100, 'Z') Er = HashKey(103, 'Er', error_on_eq_to=D) h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') orig_len = len(h) # BitmapNode(size=10 bitmap=0b111110000 id=0x10eadc618): # : 'a' # : 'b' # : 'c' # : 'd' # : 'e' h = h.delete(C) self.assertEqual(len(h), orig_len - 1) with self.assertRaisesRegex(ValueError, 'cannot compare'): h.delete(Er) h = h.delete(D) self.assertEqual(len(h), orig_len - 2) h2 = h.delete(Z) self.assertIs(h2, h) h = h.delete(A) self.assertEqual(len(h), orig_len - 3) self.assertEqual(h.get(A, 42), 42) self.assertEqual(h.get(B), 'b') self.assertEqual(h.get(E), 'e') def test_hamt_delete_2(self): A = HashKey(100, 'A') B = HashKey(201001, 'B') C = HashKey(101001, 'C') D = HashKey(103, 'D') E = HashKey(104, 'E') Z = HashKey(-100, 'Z') Er = HashKey(201001, 'Er', error_on_eq_to=B) h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') orig_len = len(h) # BitmapNode(size=8 bitmap=0b1110010000): # : 'a' # : 'd' # : 'e' # NULL: # BitmapNode(size=4 bitmap=0b100000000001000000000): # : 'b' # : 'c' with self.assertRaisesRegex(ValueError, 'cannot compare'): h.delete(Er) h = h.delete(Z) self.assertEqual(len(h), orig_len) h = h.delete(C) self.assertEqual(len(h), orig_len - 1) h = h.delete(B) self.assertEqual(len(h), orig_len - 2) h = h.delete(A) self.assertEqual(len(h), orig_len - 3) self.assertEqual(h.get(D), 'd') self.assertEqual(h.get(E), 'e') h = h.delete(A) h = h.delete(B) h = h.delete(D) h = h.delete(E) self.assertEqual(len(h), 0) def test_hamt_delete_3(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(100100, 'C') D = HashKey(100100, 'D') E = HashKey(104, 'E') h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') orig_len = len(h) # BitmapNode(size=6 bitmap=0b100110000): # NULL: # BitmapNode(size=4 bitmap=0b1000000000000000000001000): # : 'a' # NULL: # CollisionNode(size=4 id=0x108572410): # : 'c' # : 'd' # : 'b' # : 'e' h = h.delete(A) self.assertEqual(len(h), orig_len - 1) h = h.delete(E) self.assertEqual(len(h), orig_len - 2) self.assertEqual(h.get(C), 'c') self.assertEqual(h.get(B), 'b') def test_hamt_delete_4(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(100100, 'C') D = HashKey(100100, 'D') E = HashKey(100100, 'E') h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') orig_len = len(h) # BitmapNode(size=4 bitmap=0b110000): # NULL: # BitmapNode(size=4 bitmap=0b1000000000000000000001000): # : 'a' # NULL: # CollisionNode(size=6 id=0x10515ef30): # : 'c' # : 'd' # : 'e' # : 'b' h = h.delete(D) self.assertEqual(len(h), orig_len - 1) h = h.delete(E) self.assertEqual(len(h), orig_len - 2) h = h.delete(C) self.assertEqual(len(h), orig_len - 3) h = h.delete(A) self.assertEqual(len(h), orig_len - 4) h = h.delete(B) self.assertEqual(len(h), 0) def test_hamt_delete_5(self): h = hamt() keys = [] for i in range(17): key = HashKey(i, str(i)) keys.append(key) h = h.set(key, f'val-{i}') collision_key16 = HashKey(16, '18') h = h.set(collision_key16, 'collision') # ArrayNode(id=0x10f8b9318): # 0:: # BitmapNode(size=2 count=1 bitmap=0b1): # : 'val-0' # # ... 14 more BitmapNodes ... # # 15:: # BitmapNode(size=2 count=1 bitmap=0b1): # : 'val-15' # # 16:: # BitmapNode(size=2 count=1 bitmap=0b1): # NULL: # CollisionNode(size=4 id=0x10f2f5af8): # : 'val-16' # : 'collision' self.assertEqual(len(h), 18) h = h.delete(keys[2]) self.assertEqual(len(h), 17) h = h.delete(collision_key16) self.assertEqual(len(h), 16) h = h.delete(keys[16]) self.assertEqual(len(h), 15) h = h.delete(keys[1]) self.assertEqual(len(h), 14) h = h.delete(keys[1]) self.assertEqual(len(h), 14) for key in keys: h = h.delete(key) self.assertEqual(len(h), 0) def test_hamt_items_1(self): A = HashKey(100, 'A') B = HashKey(201001, 'B') C = HashKey(101001, 'C') D = HashKey(103, 'D') E = HashKey(104, 'E') F = HashKey(110, 'F') h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') h = h.set(F, 'f') it = h.items() self.assertEqual( set(list(it)), {(A, 'a'), (B, 'b'), (C, 'c'), (D, 'd'), (E, 'e'), (F, 'f')}) def test_hamt_items_2(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(100100, 'C') D = HashKey(100100, 'D') E = HashKey(100100, 'E') F = HashKey(110, 'F') h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') h = h.set(F, 'f') it = h.items() self.assertEqual( set(list(it)), {(A, 'a'), (B, 'b'), (C, 'c'), (D, 'd'), (E, 'e'), (F, 'f')}) def test_hamt_keys_1(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(100100, 'C') D = HashKey(100100, 'D') E = HashKey(100100, 'E') F = HashKey(110, 'F') h = hamt() h = h.set(A, 'a') h = h.set(B, 'b') h = h.set(C, 'c') h = h.set(D, 'd') h = h.set(E, 'e') h = h.set(F, 'f') self.assertEqual(set(list(h.keys())), {A, B, C, D, E, F}) self.assertEqual(set(list(h)), {A, B, C, D, E, F}) def test_hamt_items_3(self): h = hamt() self.assertEqual(len(h.items()), 0) self.assertEqual(list(h.items()), []) def test_hamt_eq_1(self): A = HashKey(100, 'A') B = HashKey(101, 'B') C = HashKey(100100, 'C') D = HashKey(100100, 'D') E = HashKey(120, 'E') h1 = hamt() h1 = h1.set(A, 'a') h1 = h1.set(B, 'b') h1 = h1.set(C, 'c') h1 = h1.set(D, 'd') h2 = hamt() h2 = h2.set(A, 'a') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.set(B, 'b') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.set(C, 'c') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.set(D, 'd2') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.set(D, 'd') self.assertTrue(h1 == h2) self.assertFalse(h1 != h2) h2 = h2.set(E, 'e') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.delete(D) self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) h2 = h2.set(E, 'd') self.assertFalse(h1 == h2) self.assertTrue(h1 != h2) def test_hamt_eq_2(self): A = HashKey(100, 'A') Er = HashKey(100, 'Er', error_on_eq_to=A) h1 = hamt() h1 = h1.set(A, 'a') h2 = hamt() h2 = h2.set(Er, 'a') with self.assertRaisesRegex(ValueError, 'cannot compare'): h1 == h2 with self.assertRaisesRegex(ValueError, 'cannot compare'): h1 != h2 def test_hamt_gc_1(self): A = HashKey(100, 'A') h = hamt() h = h.set(0, 0) # empty HAMT node is memoized in hamt.c ref = weakref.ref(h) a = [] a.append(a) a.append(h) b = [] a.append(b) b.append(a) h = h.set(A, b) del h, a, b gc.collect() gc.collect() gc.collect() self.assertIsNone(ref()) def test_hamt_gc_2(self): A = HashKey(100, 'A') B = HashKey(101, 'B') h = hamt() h = h.set(A, 'a') h = h.set(A, h) ref = weakref.ref(h) hi = h.items() next(hi) del h, hi gc.collect() gc.collect() gc.collect() self.assertIsNone(ref()) def test_hamt_in_1(self): A = HashKey(100, 'A') AA = HashKey(100, 'A') B = HashKey(101, 'B') h = hamt() h = h.set(A, 1) self.assertTrue(A in h) self.assertFalse(B in h) with self.assertRaises(EqError): with HaskKeyCrasher(error_on_eq=True): AA in h with self.assertRaises(HashingError): with HaskKeyCrasher(error_on_hash=True): AA in h def test_hamt_getitem_1(self): A = HashKey(100, 'A') AA = HashKey(100, 'A') B = HashKey(101, 'B') h = hamt() h = h.set(A, 1) self.assertEqual(h[A], 1) self.assertEqual(h[AA], 1) with self.assertRaises(KeyError): h[B] with self.assertRaises(EqError): with HaskKeyCrasher(error_on_eq=True): h[AA] with self.assertRaises(HashingError): with HaskKeyCrasher(error_on_hash=True): h[AA] if __name__ == "__main__": unittest.main()