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Python DictList.union方法代码示例

本文整理汇总了Python中cobra.DictList.union方法的典型用法代码示例。如果您正苦于以下问题:Python DictList.union方法的具体用法?Python DictList.union怎么用?Python DictList.union使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cobra.DictList的用法示例。


在下文中一共展示了DictList.union方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: TestDictList

# 需要导入模块: from cobra import DictList [as 别名]
# 或者: from cobra.DictList import union [as 别名]

#.........这里部分代码省略.........
        self.assertEqual(len(self.list), len(copied))
        for i, v in enumerate(self.list):
            self.assertEqual(self.list[i].id, copied[i].id)
            self.assertEqual(i, copied.index(v.id))
            self.assertIsNot(self.list[i], copied[i])
            self.assertIsNot(v, copied.get_by_id(v.id))

    def testPickle(self):
        self.list.append(Object("test2"))
        for protocol in range(HIGHEST_PROTOCOL):
            pickle_str = dumps(self.list, protocol=protocol)
            copied = loads(pickle_str)
            self.assertIsNot(self.list, copied)
            self.assertIsInstance(copied, self.list.__class__)
            self.assertEqual(len(self.list), len(copied))
            for i, v in enumerate(self.list):
                self.assertEqual(self.list[i].id, copied[i].id)
                self.assertEqual(i, copied.index(v.id))
                self.assertIsNot(self.list[i], copied[i])
                self.assertIsNot(v, copied.get_by_id(v.id))

    def testQuery(self):
        obj2 = Object("test2")
        obj2.name = "foobar1"
        self.list.append(obj2)
        result = self.list.query("test1")  # matches only test1
        self.assertEqual(len(result), 1)
        self.assertEqual(result[0], self.obj)
        result = self.list.query("foo", "name")  # matches only test2
        self.assertEqual(len(result), 1)
        self.assertEqual(result[0], obj2)
        result = self.list.query("test")  # matches test1 and test2
        self.assertEqual(len(result), 2)
        # test with a regular expression
        result = self.list.query(re.compile("test[0-9]"))
        self.assertEqual(len(result), 2)
        result = self.list.query(re.compile("test[29]"))
        self.assertEqual(len(result), 1)
        # test query of name
        result = self.list.query(re.compile("foobar."), "name")
        self.assertEqual(len(result), 1)

    def testRemoval(self):
        obj_list = DictList(Object("test%d" % (i)) for i in range(2, 10))
        del obj_list[3]
        self.assertNotIn("test5", obj_list)
        self.assertEqual(obj_list.index(obj_list[-1]), len(obj_list) - 1)
        self.assertEqual(len(obj_list), 7)
        del obj_list[3:5]
        self.assertNotIn("test6", obj_list)
        self.assertNotIn("test7", obj_list)
        self.assertEqual(obj_list.index(obj_list[-1]), len(obj_list) - 1)
        self.assertEqual(len(obj_list), 5)
        removed = obj_list.pop(1)
        self.assertEqual(obj_list.index(obj_list[-1]), len(obj_list) - 1)
        self.assertEqual(removed.id, "test3")
        self.assertNotIn("test3", obj_list)
        self.assertEqual(len(obj_list), 4)
        removed = obj_list.pop()
        self.assertEqual(removed.id, "test9")
        self.assertNotIn(removed.id, obj_list)
        self.assertEqual(len(obj_list), 3)

    def testSet(self):
        obj_list = DictList(Object("test%d" % (i)) for i in range(10))
        obj_list[4] = Object("testa")
        self.assertEqual(obj_list.index("testa"), 4)
        self.assertEqual(obj_list[4].id, "testa")
        obj_list[5:7] = [Object("testb"), Object("testc")]
        self.assertEqual(obj_list.index("testb"), 5)
        self.assertEqual(obj_list[5].id, "testb")
        self.assertEqual(obj_list.index("testc"), 6)
        self.assertEqual(obj_list[6].id, "testc")
        # Even if the object is unique, if it is present twice in the new
        # list, it should still raise an exception
        self.assertRaises(ValueError, obj_list.__setitem__, slice(5, 7),
                          [Object("testd"), Object("testd")])

    def testSortandReverse(self):
        dl = DictList(Object("test%d" % (i)) for i in reversed(range(10)))
        self.assertEqual(dl[0].id, "test9")
        dl.sort()
        self.assertEqual(len(dl), 10)
        self.assertEqual(dl[0].id, "test0")
        self.assertEqual(dl.index("test0"), 0)
        dl.reverse()
        self.assertEqual(dl[0].id, "test9")
        self.assertEqual(dl.index("test0"), 9)

    def testDir(self):
        """makes sure tab complete will work"""
        attrs = dir(self.list)
        self.assertIn("test1", attrs)
        self.assertIn("_dict", attrs)  # attribute of DictList

    def testUnion(self):
        self.list.union([Object("test1"), Object("test2")])
        # should only add 1 element
        self.assertEqual(len(self.list), 2)
        self.assertEqual(self.list.index("test2"), 1)
开发者ID:JosephRyanPeterson,项目名称:cobrapy,代码行数:104,代码来源:unit_tests.py


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