TestValueExpr.test_catch_long_expression_chain() - Code Metrics - lukasmartinelli/py14 - Measure and Improve Code Quality continuously with Scrutinizer

TestValueExpr.test_catch_long_expression_chain() A
last analyzed 2018-06-03 13:46 UTC

↳ Parent: TestValueExpr

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	2
c	2
b	0
f	0
dl	0
loc	9
rs	9.6666

from py14.tracer import value_type, value_expr, decltype, is_list, is_recursive
from py14.context import add_variable_context, add_list_calls
from py14.scope import add_scope_context
import ast


def parse(*args):
    source = ast.parse("\n".join(args))
    add_variable_context(source)
    add_scope_context(source)
    return source


class TestValueType:
    def test_direct_assignment(self):
        source = parse("x = 3")
        x = source.body[0]
        t = value_type(x)
        assert t == "3"

    def test_assign_name(self):
        source = parse(
            "x = 3",
            "y = x",
        )
        y = source.body[1]
        t = value_type(y)
        assert t == "x"

    def test_assign_function(self):
        source = parse(
            "x = 3",
            "y = foo(x)",
        )
        y = source.body[1]
        t = value_type(y)
        assert t == "foo(x)"

    def test_list_assignment_with_default_values(self):
        source = parse(
            "x = 3",
            "results = [x]",
        )
        results = source.body[1]
        t = value_type(results)
        assert t == "x"

    def test_list_assignment_with_function_call_as_value(self):
        source = parse(
            "x = 3",
            "results = [foo(x)]",
        )
        results = source.body[1]
        t = value_type(results)
        assert t == "foo(x)"

    def test_list_assignment_based_on_later_append(self):
        source = parse(
            "x = 3",
            "results = []",
            "results.append(x)",
        )
        add_list_calls(source)
        results = source.body[1]
        t = value_type(results)
        assert t == "3"

    def test_list_assignment_with_append_unknown_value(self):
        source = parse(
            "results = []",
            "x = 3",
            "results.append(x)",
        )
        add_list_calls(source)
        results = source.body[0]
        t = value_type(results)
        assert t == "3"

    def test_global_list_assignment_with_later_append(self):
        source = parse(
            "results = []",
            "def add_x():",
            "   results.append(2)",
        )
        add_list_calls(source)
        results = source.body[0]
        t = value_type(results)
        assert t == "2"


class TestValueExpr:
    def test_catch_long_expression_chain(self):
        source = parse(
            "x = 3 * 1",
            "y = x - 5",
            "z = y + 2",
        )
        z = source.body[2]
        t = value_expr(z)
        assert t == "3 * 1 - 5 + 2"

    def test_catch_expression_chain_with_functions(self):
        source = parse(
            "x = 3 * 1",
            "y = foo(x)",
            "z = y + 2",
        )
        z = source.body[2]
        t = value_expr(z)
        assert t == "foo(3 * 1) + 2"


def test_decltype_normal_var():
    source = parse(
        "x = 3",
        "y = foo(x)",
    )
    y = source.body[1]
    t = decltype(y)
    assert t == "decltype(foo(x))"


def test_decltype_list_var():
    source = parse(
        "results = []",
        "x = 3",
        "results.append(x)",
    )
    add_list_calls(source)
    results = source.body[0]
    t = decltype(results)
    assert t == "std::vector<decltype(3)>"


def test_is_list():
    source = parse(
        "list1 = []",
        "list2 = list1",
    )
    add_list_calls(source)
    list2 = source.body[1]
    assert is_list(list2)


def test_is_recursive():
    source = parse(
        "def rec(n):",
        "   return rec(n-1) + rec(n)",
    )
    fun = source.body[0]
    assert is_recursive(fun)


1			from py14.tracer import value_type, value_expr, decltype, is_list, is_recursive
2			from py14.context import add_variable_context, add_list_calls
3			from py14.scope import add_scope_context
4			import ast
5
6
7			def parse(*args):
8			source = ast.parse("\n".join(args))
9			add_variable_context(source)
10			add_scope_context(source)
11			return source
12
13
14			class TestValueType:
15			def test_direct_assignment(self):
16			source = parse("x = 3")
17			x = source.body[0]
18			t = value_type(x)
19			assert t == "3"
20
21			def test_assign_name(self):
22			source = parse(
23			"x = 3",
24			"y = x",
25			)
26			y = source.body[1]
27			t = value_type(y)
28			assert t == "x"
29
30			def test_assign_function(self):
31			source = parse(
32			"x = 3",
33			"y = foo(x)",
34			)
35			y = source.body[1]
36			t = value_type(y)
37			assert t == "foo(x)"
38
39			def test_list_assignment_with_default_values(self):
40			source = parse(
41			"x = 3",
42			"results = [x]",
43			)
44			results = source.body[1]
45			t = value_type(results)
46			assert t == "x"
47
48			def test_list_assignment_with_function_call_as_value(self):
49			source = parse(
50			"x = 3",
51			"results = [foo(x)]",
52			)
53			results = source.body[1]
54			t = value_type(results)
55			assert t == "foo(x)"
56
57			def test_list_assignment_based_on_later_append(self):
58			source = parse(
59			"x = 3",
60			"results = []",
61			"results.append(x)",
62			)
63			add_list_calls(source)
64			results = source.body[1]
65			t = value_type(results)
66			assert t == "3"
67
68			def test_list_assignment_with_append_unknown_value(self):
69			source = parse(
70			"results = []",
71			"x = 3",
72			"results.append(x)",
73			)
74			add_list_calls(source)
75			results = source.body[0]
76			t = value_type(results)
77			assert t == "3"
78
79			def test_global_list_assignment_with_later_append(self):
80			source = parse(
81			"results = []",
82			"def add_x():",
83			" results.append(2)",
84			)
85			add_list_calls(source)
86			results = source.body[0]
87			t = value_type(results)
88			assert t == "2"
89
90
91			class TestValueExpr:
92			def test_catch_long_expression_chain(self):
93			source = parse(
94			"x = 3 * 1",
95			"y = x - 5",
96			"z = y + 2",
97			)
98			z = source.body[2]
99			t = value_expr(z)
100			assert t == "3 * 1 - 5 + 2"
101
102			def test_catch_expression_chain_with_functions(self):
103			source = parse(
104			"x = 3 * 1",
105			"y = foo(x)",
106			"z = y + 2",
107			)
108			z = source.body[2]
109			t = value_expr(z)
110			assert t == "foo(3 * 1) + 2"
111
112
113			def test_decltype_normal_var():
114			source = parse(
115			"x = 3",
116			"y = foo(x)",
117			)
118			y = source.body[1]
119			t = decltype(y)
120			assert t == "decltype(foo(x))"
121
122
123			def test_decltype_list_var():
124			source = parse(
125			"results = []",
126			"x = 3",
127			"results.append(x)",
128			)
129			add_list_calls(source)
130			results = source.body[0]
131			t = decltype(results)
132			assert t == "std::vector<decltype(3)>"
133
134
135			def test_is_list():
136			source = parse(
137			"list1 = []",
138			"list2 = list1",
139			)
140			add_list_calls(source)
141			list2 = source.body[1]
142			assert is_list(list2)
143
144
145			def test_is_recursive():
146			source = parse(
147			"def rec(n):",
148			" return rec(n-1) + rec(n)",
149			)
150			fun = source.body[0]
151			assert is_recursive(fun)
152

lukasmartinelli / py14

TestValueExpr.test_catch_long_expression_chain() A last analyzed 2018-06-03 13:46 UTC

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TestValueExpr.test_catch_long_expression_chain() A
last analyzed 2018-06-03 13:46 UTC