tensor-sensor

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"""
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MIT License
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Copyright (c) 2021 Terence Parr
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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"""
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from tsensor.parsing import *
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import tsensor.ast
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import sys
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import numpy as np
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def check(s,expected):
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    frame = sys._getframe()
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    caller = frame.f_back
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    p = PyExprParser(s)
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    t = p.parse()
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    result = t.eval(caller)
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    assert str(result)==str(expected)
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def test_int():
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    check("34", 34)
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def test_assign():
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    check("a = 34", 34)
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def test_var():
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    a = 34
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    check("a", 34)
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def test_member_var():
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    class A:
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        def __init__(self):
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            self.a = 34
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    x = A()
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    check("x.a", 34)
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def test_member_func():
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    class A:
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        def f(self, a):
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            return a+4
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    x = A()
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    check("x.f(30)", 34)
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def test_index():
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    a = [1,2,3]
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    check("a[2]", 3)
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def test_add():
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    a = 3
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    b = 4
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    c = 5
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    check("a+b+c", 12)
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def test_add_mul():
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    a = 3
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    b = 4
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    c = 5
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    check("a+b*c", 23)
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def test_pow():
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    a = 3
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    b = 4
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    check("a**b", 3**4)
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def test_pow2():
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    a = 3
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    b = 4
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    c = 5
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    check("a**(b+1)**c", 3**5**5)
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def test_parens():
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    a = 3
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    b = 4
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    c = 5
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    check("(a+b)*c", 35)
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def test_list_literal():
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    a = [[1,2,3],[4,5,6]]
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    check("a", """[[1, 2, 3], [4, 5, 6]]""")
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def test_np_literal():
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    a = np.array([[1,2,3],[4,5,6]])
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    check("a*2", """[[ 2  4  6]\n [ 8 10 12]]""")
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def test_np_add():
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    a = np.array([[1,2,3],[4,5,6]])
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    check("a+a", """[[ 2  4  6]\n [ 8 10 12]]""")
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def test_np_add2():
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    a = np.array([[1,2,3],[4,5,6]])
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    check("a+a+a", """[[ 3  6  9]\n [12 15 18]]""")
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