mirror of https://github.com/apache/superset.git
97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from pytest import mark
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from superset.utils.memoized import memoized
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@mark.unittest
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class TestMemoized:
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def test_memoized_on_functions(self):
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watcher = {"val": 0}
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@memoized
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def test_function(a, b, c):
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watcher["val"] += 1
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return a * b * c
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result1 = test_function(1, 2, 3)
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result2 = test_function(1, 2, 3)
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assert result1 == result2
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assert watcher["val"] == 1
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def test_memoized_on_methods(self):
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class test_class:
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def __init__(self, num):
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self.num = num
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self.watcher = 0
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@memoized
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def test_method(self, a, b, c):
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self.watcher += 1
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return a * b * c * self.num
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instance = test_class(5)
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result1 = instance.test_method(1, 2, 3)
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result2 = instance.test_method(1, 2, 3)
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assert result1 == result2
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assert instance.watcher == 1
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instance.num = 10
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assert result2 == instance.test_method(1, 2, 3)
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def test_memoized_on_methods_with_watches(self):
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class test_class:
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def __init__(self, x, y):
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self.x = x
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self.y = y
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self.watcher = 0
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@memoized(watch=("x", "y"))
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def test_method(self, a, b, c):
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self.watcher += 1
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return a * b * c * self.x * self.y
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instance = test_class(3, 12)
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result1 = instance.test_method(1, 2, 3)
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result2 = instance.test_method(1, 2, 3)
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assert result1 == result2
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assert instance.watcher == 1
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result3 = instance.test_method(2, 3, 4)
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assert instance.watcher == 2
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result4 = instance.test_method(2, 3, 4)
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assert instance.watcher == 2
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assert result3 == result4
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assert result3 != result1
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instance.x = 1
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result5 = instance.test_method(2, 3, 4)
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assert instance.watcher == 3
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assert result5 != result4
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result6 = instance.test_method(2, 3, 4)
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assert instance.watcher == 3
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assert result6 == result5
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instance.x = 10
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instance.y = 10
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result7 = instance.test_method(2, 3, 4)
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assert instance.watcher == 4
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assert result7 != result6
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instance.x = 3
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instance.y = 12
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result8 = instance.test_method(1, 2, 3)
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assert instance.watcher == 4
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assert result1 == result8
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