Python selector Examples

Example #1

File: selector_test.py Project: caterpillar/plyplus

 def test_yield(self):
     tree1, tree2 = self.tree1, self.tree2
     assert list( selector('=name /a/').match(tree1) )[0].head == 'name'
     assert len( selector('=branch /c/').match(tree1) ) == 3
     assert set( selector('(=name /a/,name /b$/)').match(tree1) ) == set([STree('name', ['a']), 'b'])
     assert set( selector('=branch branch branch').match(tree1) ) == set([tree1.tail[0]])
     assert set( selector('=(name,=branch branch branch) /c/').match(tree1) ) == set([STree('name', ['c']), tree1.tail[0]])

Example #2

File: selector_test.py Project: ray-harris-net/plyplus

 def test_yield(self):
     tree1, tree2 = self.tree1, self.tree2
     assert list(selector("=name /a/").match(tree1))[0].head == "name"
     assert len(selector("=branch /c/").match(tree1)) == 3
     assert set(selector("(=name /a/,name /b$/)").match(tree1)) == set([STree("name", ["a"]), "b"])
     assert set(selector("=branch branch branch").match(tree1)) == set([tree1.tail[0]])
     assert set(selector("=(name,=branch branch branch) /c/").match(tree1)) == set(
         [STree("name", ["c"]), tree1.tail[0]]
     )

Example #3

File: selector_test.py Project: ray-harris-net/plyplus

    def test_modifiers(self):
        assert len(selector("*:is-leaf").match(self.tree1)) == 5
        assert len(selector("/[a-c]/:is-leaf").match(self.tree1)) == 3

        assert len(selector("/[b]/:is-parent").match(self.tree1)) == 5
        assert len(selector("/[b]/:is-parent").match(self.tree2)) == 9

        assert len(selector("*:is-root").match(self.tree1)) == 1, selector("*:is-root").match(self.tree1)
        assert len(selector("*:is-root").match(self.tree2)) == 1
        assert len(selector("a:is-root + b").match(self.tree2)) == 0
        assert len(selector("branch:is-root > branch").match(self.tree1.tail[0])) == 1
        assert len(selector("start:is-root > branch").match(self.tree2)) == 1

Example #4

File: test_selectors.py Project: APSL/plyplus

    def test_modifiers(self):
        assert len( selector('*:is-leaf').match(self.tree1) ) == 5
        assert len( selector('/[a-c]/:is-leaf').match(self.tree1) ) == 3

        assert len( selector('/[b]/:is-parent').match(self.tree1) ) == 5
        assert len( selector('/[b]/:is-parent').match(self.tree2) ) == 9

        assert len( selector('*:is-root').match(self.tree1) ) == 1, selector('*:is-root').match(self.tree1)
        assert len( selector('*:is-root').match(self.tree2) ) == 1
        assert len( selector('a:is-root + b').match(self.tree2) ) == 0
        assert len( selector('branch:is-root > branch').match(self.tree1.tail[0]) ) == 1
        assert len( selector('start:is-root > branch').match(self.tree2) ) == 1

Example #5

File: selector_test.py Project: caterpillar/plyplus

    def test_operators(self):
        tree1, tree2 = self.tree1, self.tree2
        assert len( selector('name /b/').match(tree2) ) == 4
        assert len( selector('name>/b/').match(tree2) ) == 4
        assert len( selector('branch>branch>name').match(tree1) ) == 4
        assert len( selector('branch>branch>branch>name').match(tree1) ) == 3
        assert len( selector('branch branch branch name').match(tree1) ) == 3
        assert len( selector('branch branch branch').match(tree1) ) == 3

        assert len( selector('branch+branch').match(tree1) ) == 2
        assert len( selector('branch~branch~branch').match(tree1) ) == 1
        assert len( selector('branch~branch~branch~branch').match(tree1) ) == 0

        assert len( selector('branch:is-parent + branch branch > name > /a/:is-leaf').match(tree2) ) == 1   # test all at once; only innermost 'a' matches

Example #6

File: selector_test.py Project: ray-harris-net/plyplus

 def test_lists(self):
     tree1, tree2 = self.tree1, self.tree2
     assert set(selector("(/a/)").match(tree1)) == set("a")
     assert set(selector("(/a/,/b$/)").match(tree1)) == set("ab")
     assert set(selector("(/e/, (/a/,/b$/), /c/)").match(tree1)) == set("abce")

Example #7

File: selector_test.py Project: ray-harris-net/plyplus

 def test_elem_any(self):
     assert len(selector("*").match(self.tree1)) == 16
     assert len(selector("*").match(self.tree2)) == 28

Example #8

File: selector_test.py Project: ray-harris-net/plyplus

 def test_elem_regexp(self):
     assert len(selector("/[a-c]$/").match(self.tree1)) == 3
     assert len(selector("/[b-z]$/").match(self.tree2)) == len("bcbbbc")

Example #9

File: selector_test.py Project: ray-harris-net/plyplus

 def test_elem_head(self):
     assert len(selector("name").match(self.tree1)) == 5
     assert len(selector("branch").match(self.tree1)) == 5
     assert len(selector("name").match(self.tree2)) == 9
     assert len(selector("branch").match(self.tree2)) == 9

Example #10

File: selector_test.py Project: caterpillar/plyplus

 def test_lists(self):
     tree1, tree2 = self.tree1, self.tree2
     assert set( selector('(/a/)').match(tree1) ) == set('a')
     assert set( selector('(/a/,/b$/)').match(tree1) ) == set('ab')
     assert set( selector('(/e/, (/a/,/b$/), /c/)').match(tree1) ) == set('abce')

Example #11

File: selector_test.py Project: caterpillar/plyplus

    def test_modifiers(self):
        assert len( selector('*:is-leaf').match(self.tree1) ) == 5
        assert len( selector('/[a-c]/:is-leaf').match(self.tree1) ) == 3

        assert len( selector('/[b]/:is-parent').match(self.tree1) ) == 5
        assert len( selector('/[b]/:is-parent').match(self.tree2) ) == 9

Example #12

File: selector_test.py Project: caterpillar/plyplus

 def test_elem_regexp(self):
     assert len( selector('/[a-c]$/').match(self.tree1) ) == 3
     assert len( selector('/[b-z]$/').match(self.tree2) ) == len('bcbbbc')

Example #13

File: selector_test.py Project: caterpillar/plyplus

 def test_elem_head(self):
     assert len( selector('name').match(self.tree1) ) == 5
     assert len( selector('branch').match(self.tree1) ) == 5
     assert len( selector('name').match(self.tree2) ) == 9
     assert len( selector('branch').match(self.tree2) ) == 9