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test.py
560 lines (447 loc) · 25.2 KB
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test.py
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import unittest
import dexi
import os
import string
import content
import server
import re
class TestDexi(unittest.TestCase):
_EMPTY_FUNCTION = ""
_INCORRECT_EVAL_ARGS = "012\nf\n3\n1,2"
_INCORRECT_EVAL_ARGS_TYPE = "012\nf\n3\na"
_INCORRECT_FUN_OUTPUT = "a12\nf\n3"
_INCORRECT_MULTIPLICITIES = "012012123\nf,s\n4,3,3"
_INCORRECT_MULTIPLICITIES_TYPE = "012012123\nf,s\n4,3a"
_INCORRECT_N_INPUT_OUTPUT = "012012123\nf,s\n4,3"
_SMALL_TEST = "0,1,2\nf\n3\n1\n2\n3"
_MEDIUM_TEST = "012123234\nf,s\n3,3\n1,1\n2,2\n3,3.5"
_LARGE_TEST = "423120124321201212013024421\nf,s,t\n3,3,3\n1,2,3\n0.1,0.2,0.3"
_LARGE_TEST_NEWLINE = "423120124321201212013024421\n\n\nf,s,t\n\n3,3,3\n\n1,2,3\n\n0.1,0.2,0.3"
_POSSIBLE_CHARS = string.ascii_letters + string.digits
def test_empty(self):
# test if empty function produces errors
function, arguments, evaluations, success, message = dexi.parse_function(self._EMPTY_FUNCTION)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "Function should be represented in at least 3 lines!")
def test_eval_arguments(self):
# test if evaluation arguments have the same length as the inputs
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_EVAL_ARGS)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "Number of function arguments (1) does not match number of supplied evaluation arguments (2) - ['1', '2'].")
def test_eval_arguments_type(self):
# test if types of evaluation arguments can be cast to floats
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_EVAL_ARGS_TYPE)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "All function evaluations should be floats ['a']!")
def test_func_output_type(self):
# test if inputs to function can be cast to ints
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_FUN_OUTPUT)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "All function outputs should be floats!")
def test_multiplicities(self):
# test if the number of arguments matches the number of supplied multiplicities
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_MULTIPLICITIES)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "Number of function arguments (2) and number of multiplicities (3) should be equal!")
def test_multiplicities_type(self):
# test if multiplicities can be cast to integers
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_MULTIPLICITIES_TYPE)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "Multiplicities should be integers! Muliplicity 2 is not!")
def test_input_output_size(self):
# test if function output length is equal to the multiplied multiplicities
function, arguments, evaluations, success, message = dexi.parse_function(self._INCORRECT_N_INPUT_OUTPUT)
self.assertEqual(function, None)
self.assertEqual(arguments, None)
self.assertEqual(evaluations, None)
self.assertEqual(success, False)
self.assertEqual(message, "The input space size (12) does not match output space size (9)!")
def test_small(self):
# a small test case
function, arguments, evaluations, success, message = dexi.parse_function(self._SMALL_TEST)
self.assertEqual(function, [[(0,), 0], [(1,), 1], [(2,), 2]])
self.assertEqual(arguments, ["f"])
self.assertEqual(evaluations, [["1"], ["2"], ["3"]])
self.assertEqual(success, True)
self.assertEqual(message, "")
derivatives, evals, image, success, message = dexi.get_derivatives(function, evaluations, arguments, False)
self.assertEqual(derivatives, ["1.00"] * 4);
self.assertEqual(evals, [(["1"], "1.00"), (["2"], "2.00"), (["3"], "3.00")])
self.assertNotEqual(image, "")
self.assertEqual(image[-4:], ".png")
for c in image[:-4]:
self.assertTrue(c in self._POSSIBLE_CHARS)
self.assertEqual(success, True)
self.assertEqual(message, "")
def test_medium(self):
# medium test case
function, arguments, evaluations, success, message = dexi.parse_function(self._MEDIUM_TEST)
self.assertEqual(function, [[(0, 0), 0], [(0, 1), 1], [(0, 2), 2], [(1, 0), 1], [(1, 1), 2],
[(1, 2), 3], [(2, 0), 2], [(2, 1), 3], [(2, 2), 4]])
self.assertEqual(arguments, ["f", "s"])
self.assertEqual(evaluations, [["1", "1"], ["2", "2"], ["3", "3.5"]])
self.assertEqual(success, True)
self.assertEqual(message, "")
derivatives, evals, image, success, message = dexi.get_derivatives(function, evaluations, arguments, False)
self.assertEqual(derivatives, ["1.00"] * 20);
self.assertEqual(evals, [(["1", "1"], "2.00"), (["2", "2"], "4.00"), (["3", "3.5"], "6.50")])
self.assertNotEqual(image, "")
self.assertEqual(image[-4:], ".png")
for c in image[:-4]:
self.assertTrue(c in self._POSSIBLE_CHARS)
self.assertEqual(success, True)
self.assertEqual(message, "")
def test_large(self):
# large test case
function, arguments, evaluations, success, message = dexi.parse_function(self._LARGE_TEST)
self.assertEqual(function, [[(0, 0, 0), 4], [(0, 0, 1), 2], [(0, 0, 2), 3], [(0, 1, 0), 1], [(0, 1, 1), 2],
[(0, 1, 2), 0], [(0, 2, 0), 1], [(0, 2, 1), 2], [(0, 2, 2), 4], [(1, 0, 0), 3],
[(1, 0, 1), 2], [(1, 0, 2), 1], [(1, 1, 0), 2], [(1, 1, 1), 0], [(1, 1, 2), 1],
[(1, 2, 0), 2], [(1, 2, 1), 1], [(1, 2, 2), 2], [(2, 0, 0), 0], [(2, 0, 1), 1],
[(2, 0, 2), 3], [(2, 1, 0), 0], [(2, 1, 1), 2], [(2, 1, 2), 4], [(2, 2, 0), 4],
[(2, 2, 1), 2], [(2, 2, 2), 1]])
self.assertEqual(arguments, ["f", "s", "t"])
self.assertEqual(evaluations, [["1", "2", "3"], ["0.1", "0.2", "0.3"]])
self.assertEqual(success, True)
self.assertEqual(message, "")
derivatives, evals, image, success, message = dexi.get_derivatives(function, evaluations, arguments)
self.assertEqual(derivatives, ["-1.00", "0.00", "-2.00", "1.00", "-2.00", "1.00", "1.00", "-1.00", "-2.00",
"-2.00", "-0.50", "-0.00", "-0.50", "-0.00", "2.00", "1.50", "-0.00", "-1.50",
"-3.00", "-1.00", "2.00", "-2.00", "2.00", "3.00", "2.00", "1.00", "-1.00",
"-0.11", "-3.00", "0.00", "-3.00", "-1.50", "0.00", "0.50", "0.00", "0.00",
"4.00", "-1.00", "-2.00", "0.00", "-0.50", "-0.50", "0.50", "0.00", "1.00",
"1.00", "0.00", "1.00", "1.00", "2.00", "0.50", "-1.00", "4.00", "0.00",
"-3.00", "0.00", "-2.00", "-0.50", "1.00", "1.00", "-0.50", "-2.00", "1.00",
"1.50", "2.00", "-1.00", "-1.00", "-1.00", "-2.00", "-0.50", "1.00", "-1.00",
"-0.00", "1.00", "1.00", "1.50", "2.00", "2.00", "2.00", "2.00", "-2.00",
"-1.50", "-1.00", "0.11"])
self.assertEqual(evals, [(["1", "2", "3"], "3.00"), (["0.1", "0.2", "0.3"], "2.93")])
self.assertEqual(image, "")
self.assertEqual(success, True)
self.assertEqual(message, "")
def test_large_newlines(self):
# large test case with newlines
function, arguments, evaluations, success, message = dexi.parse_function(self._LARGE_TEST_NEWLINE)
self.assertEqual(function, [[(0, 0, 0), 4], [(0, 0, 1), 2], [(0, 0, 2), 3], [(0, 1, 0), 1], [(0, 1, 1), 2],
[(0, 1, 2), 0], [(0, 2, 0), 1], [(0, 2, 1), 2], [(0, 2, 2), 4], [(1, 0, 0), 3],
[(1, 0, 1), 2], [(1, 0, 2), 1], [(1, 1, 0), 2], [(1, 1, 1), 0], [(1, 1, 2), 1],
[(1, 2, 0), 2], [(1, 2, 1), 1], [(1, 2, 2), 2], [(2, 0, 0), 0], [(2, 0, 1), 1],
[(2, 0, 2), 3], [(2, 1, 0), 0], [(2, 1, 1), 2], [(2, 1, 2), 4], [(2, 2, 0), 4],
[(2, 2, 1), 2], [(2, 2, 2), 1]])
self.assertEqual(arguments, ["f", "s", "t"])
self.assertEqual(evaluations, [["1", "2", "3"], ["0.1", "0.2", "0.3"]])
self.assertEqual(success, True)
self.assertEqual(message, "")
derivatives, evals, image, success, message = dexi.get_derivatives(function, evaluations, arguments)
self.assertEqual(derivatives, ["-1.00", "0.00", "-2.00", "1.00", "-2.00", "1.00", "1.00", "-1.00", "-2.00",
"-2.00", "-0.50", "-0.00", "-0.50", "-0.00", "2.00", "1.50", "-0.00", "-1.50",
"-3.00", "-1.00", "2.00", "-2.00", "2.00", "3.00", "2.00", "1.00", "-1.00",
"-0.11", "-3.00", "0.00", "-3.00", "-1.50", "0.00", "0.50", "0.00", "0.00",
"4.00", "-1.00", "-2.00", "0.00", "-0.50", "-0.50", "0.50", "0.00", "1.00",
"1.00", "0.00", "1.00", "1.00", "2.00", "0.50", "-1.00", "4.00", "0.00",
"-3.00", "0.00", "-2.00", "-0.50", "1.00", "1.00", "-0.50", "-2.00", "1.00",
"1.50", "2.00", "-1.00", "-1.00", "-1.00", "-2.00", "-0.50", "1.00", "-1.00",
"-0.00", "1.00", "1.00", "1.50", "2.00", "2.00", "2.00", "2.00", "-2.00",
"-1.50", "-1.00", "0.11"])
self.assertEqual(evals, [(["1", "2", "3"], "3.00"), (["0.1", "0.2", "0.3"], "2.93")])
self.assertEqual(image, "")
self.assertEqual(success, True)
self.assertEqual(message, "")
def test_animation(self):
anim_file_name = dexi._create_animation("", [])
self.assertEqual(anim_file_name, "")
anim_file_name = dexi._create_animation("", ["f"])
self.assertEqual(anim_file_name, "")
anim_file_name = dexi._create_animation("", ["f", "s", "t"])
self.assertEqual(anim_file_name, "")
content._DEFAULT_IMAGE_PATH = ""
function = [[(0, 0), 0], [(0, 1), 1], [(1, 0), 1], [(1, 1), 2]]
anim_file_name = dexi._create_animation(function, ["f", "s"])
self.assertRegexpMatches(anim_file_name, "[a-zA-Z0-9]{10}\.gif")
self.assertTrue(os.path.isfile(anim_file_name))
os.remove(anim_file_name)
def test_error_2argument(self):
# test if construction of a two argument function produces the expected errors
self.assertRaisesRegexp(ValueError, "Multiplicity of the first attribute must be more than 0.",
dexi.create_2argument_function, -1, 5, None)
self.assertRaisesRegexp(ValueError, "Multiplicity of the second attribute must be more than 0.",
dexi.create_2argument_function, 2, -1, None)
self.assertRaises(TypeError, dexi.create_2argument_function, 1, 5, None)
self.assertRaises(TypeError, dexi.create_2argument_function, 1, 5, lambda x: x)
self.assertRaises(TypeError, dexi.create_2argument_function, 1, 5, lambda x,y,z: x + y + z)
def test_2argument(self):
# test that we get the expected functions back
func = dexi.create_2argument_function(2, 2, min)
self.assertEqual(func, "0,0,0,1 first,second 2,2")
func = dexi.create_2argument_function(2, 2, max)
self.assertEqual(func, "0,1,1,1 first,second 2,2")
func = dexi.create_2argument_function(2, 2, lambda x,y: x + y)
self.assertEqual(func, "0,1,1,2 first,second 2,2")
func = dexi.create_2argument_function(2, 2, lambda x,y: x * y)
self.assertEqual(func, "0,0,0,1 first,second 2,2")
def test_formatting(self):
formatted = dexi._format_number(1.5)
self.assertEqual(formatted, "1.50")
formatted = dexi._format_number(2)
self.assertEqual(formatted, "2.00")
formatted = dexi._format_number(1.55555)
self.assertEqual(formatted, "1.56")
self.assertRaises(ValueError, dexi._format_number, "foo")
def test_content(self):
self.assertNotIn("DEVELOPMENT", content._TITLE)
self.assertIn("DEX", content._TITLE)
self.assertIn("General Public License", content._GPL)
self.assertNotEqual(content._ABOUT, "")
self.assertNotEqual(content._SUBTITLE, "")
def test_content_examples(self):
for description, example in content._EXAMPLES:
inp_line = example.replace(" ", "\n")
self.assertNotEqual(description, "")
function, arguments, evaluations, success, message = dexi.parse_function(inp_line)
self.assertNotEqual(function, [])
for point, output in function:
for arg in point:
self.assertTrue(type(arg) is int)
self.assertTrue(type(output) is float)
self.assertNotEqual(arguments, [])
for arg in arguments:
self.assertNotEqual(arg, "")
if evaluations:
for evaluation in evaluations:
for point in evaluation:
self.assertTrue(type(point) is str)
self.assertTrue(type(float(point)) is float)
self.assertEqual(success, True)
self.assertEqual(message, "")
derivatives, evals, image, success, message = dexi.get_derivatives(function, evaluations, arguments, False)
self.assertEqual(len(derivatives), (len(function) + 1)*len(arguments))
for derivative in derivatives:
self.assertTrue(type(derivative) is str)
self.assertTrue(type(float(derivative)) is float)
if evaluations:
self.assertNotEqual(evals, [])
for point, evaluation in evals:
self.assertEqual(len(point), len(arguments))
for p in point:
self.assertTrue(type(p) is str)
self.assertTrue(type(float(p)) is float)
self.assertTrue(type(evaluation) is str)
self.assertTrue(type(float(evaluation)) is float)
if len(arguments) < 3:
self.assertRegexpMatches(image, "[a-zA-Z0-9]{10}\.png")
else:
self.assertEqual(image, "")
self.assertEqual(success, True)
self.assertEqual(message, "")
class ServerTest(unittest.TestCase):
_QUERY_SMALL = "123\nf\n3"
def setUp(self):
self.app = server.app.test_client()
server.app.config["TESTING"] = True
server.app.config["DEBUG"] = True
content._DEFAULT_IMAGE_PATH = ""
def test_content(self):
self.assertNotIn("DEVELOPMENT", content._TITLE)
self.assertIn("DEX", content._TITLE)
self.assertIn("General Public License", content._GPL)
self.assertNotEqual(content._ABOUT, "")
self.assertNotEqual(content._SUBTITLE, "")
def test_root(self):
result = self.app.get("/")
self.assertEqual(result.status, "200 OK")
data = result.data
for line in content._TITLE.split("\n"):
self.assertIn(line, data)
for line in content._SUBTITLE.split("\n"):
self.assertIn(line, data)
for line in content._GPL.split("\n"):
self.assertIn(line, data)
for line in content._ABOUT.split("\n"):
self.assertIn(line, data)
for description, example in content._EXAMPLES:
self.assertIn(description, data)
for line in example.split(" "):
self.assertIn(line, data)
def test_nonexistent(self):
result = self.app.get("/foo")
self.assertEqual(result.status, "404 NOT FOUND")
result = self.app.get("/bar")
self.assertEqual(result.status, "404 NOT FOUND")
result = self.app.get("/123")
self.assertEqual(result.status, "404 NOT FOUND")
def test_not_allowed(self):
result = self.app.get("/get_derivatives")
self.assertEqual(result.status, "405 METHOD NOT ALLOWED")
result = self.app.get("/get_animation")
self.assertEqual(result.status, "405 METHOD NOT ALLOWED")
def test_incorrect_input(self):
result = self.app.post("/get_derivatives")
self.assertIn("Could not parse input! Unsupported operation!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Function should be represented in at least 3 lines!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123\n\n"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Function should be represented in at least 3 lines!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123\n1,2,3\n"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Function should be represented in at least 3 lines!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123\nf,s\n2"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Number of function arguments (2) and number of multiplicities (1) should be equal!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123\nf,s\n2,3"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! The input space size (6) does not match output space size (3)!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "1234567\nf,s\n2,3"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! The input space size (6) does not match output space size (7)!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "12345,60\nf,s\n2,3"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! The input space size (6) does not match output space size (2)!", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123456\nf,s\n2,3\n1,2,3"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Number of function arguments (2) does not match number of supplied evaluation arguments (3)", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123456\nf,s\n2,3\n1"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Number of function arguments (2) does not match number of supplied evaluation arguments (1)", result.data)
self.assertEqual(result.status, "200 OK")
query = {"function": "123456\nf,s\n2,3.5"}
result = self.app.post("/get_derivatives", data=query)
self.assertIn("Could not parse input! Multiplicities should be integers! Muliplicity 2 is not!", result.data)
self.assertEqual(result.status, "200 OK")
def test_derivatives_small_custom(self):
query = {"function": self._QUERY_SMALL}
result = self.app.post("/get_derivatives", data=query)
data = result.data
self.assertEqual(result.status, "200 OK")
for line in content._TITLE.split("\n"):
self.assertIn(line, data)
for line in content._SUBTITLE.split("\n"):
self.assertIn(line, data)
for line in content._GPL.split("\n"):
self.assertIn(line, data)
for line in content._ABOUT.split("\n"):
self.assertIn(line, data)
self.assertIn("<h1>Tabelaric Function and Derivatives</h1>", data)
self.assertIn("<h1>Function Image</h1>", data)
self.assertNotIn("<h1>Function Animation</h1>", data)
self.assertIn("<th>Average</th>", data)
m = re.search("[A-Za-z0-9]{10}\.png", data)
png_file = m.group(0)
self.assertTrue(os.path.isfile(png_file))
os.remove(png_file)
def test_derivatives_small_dynamic(self):
query = {"names": "f,s",
"multiplicity": "2,2",
"v0": 0,
"v1": 1,
"v2": 2,
"v3": 3}
result = self.app.post("/get_derivatives", data=query)
data = result.data
self.assertEqual(result.status, "200 OK")
for line in content._TITLE.split("\n"):
self.assertIn(line, data)
for line in content._SUBTITLE.split("\n"):
self.assertIn(line, data)
for line in content._GPL.split("\n"):
self.assertIn(line, data)
for line in content._ABOUT.split("\n"):
self.assertIn(line, data)
self.assertIn("<h1>Tabelaric Function and Derivatives</h1>", data)
self.assertIn("<h1>Function Image</h1>", data)
self.assertIn("<h1>Function Animation</h1>", data)
self.assertIn("<th>Average</th>", data)
m = re.search("[A-Za-z0-9]{10}\.png", data)
png_file = m.group(0)
self.assertTrue(os.path.isfile(png_file))
os.remove(png_file)
def test_animation(self):
query = {"names": "f,s",
"multiplicity": "2,2",
"v0": 0,
"v1": 1,
"v2": 2,
"v3": 3}
result = self.app.post("/get_animation", data=query)
data = result.data
self.assertEqual(result.status, "200 OK")
self.assertRegexpMatches(data, "[A-Za-z0-9]{10}\.gif")
self.assertTrue(os.path.isfile(data))
os.remove(data)
def test_animation_error(self):
query = {}
result = self.app.post("/get_animation", data=query)
self.assertEqual(result.status, "200 OK")
data = result.data
self.assertEqual(data, "Cannot create function animation. Missing arguments in request.")
query = {"names": "f,s",
"multiplicity": "2,2",
"v0": 0,
"v1": 1,
"v2": 2}
result = self.app.post("/get_animation", data=query)
self.assertEqual(result.status, "200 OK")
data = result.data
self.assertEqual(data, "Could not parse function! The input space size (4) does not match output space size (3)!")
def test_derivatives_content_examples(self):
for _, example in content._EXAMPLES:
function = example.replace(" ", "\n")
query = {"function": function}
result = self.app.post("/get_derivatives", data=query)
data = result.data
self.assertEqual(result.status, "200 OK")
for line in content._TITLE.split("\n"):
self.assertIn(line, data)
for line in content._SUBTITLE.split("\n"):
self.assertIn(line, data)
for line in content._GPL.split("\n"):
self.assertIn(line, data)
for line in content._ABOUT.split("\n"):
self.assertIn(line, data)
self.assertIn("<h1>Tabelaric Function and Derivatives</h1>", data)
if len(function.split("\n")[1].split(",")) < 3:
self.assertIn("<h1>Function Image</h1>", data)
m = re.search("[A-Za-z0-9]{10}\.png", data)
png_file = m.group(0)
self.assertTrue(os.path.isfile(png_file))
os.remove(png_file)
if len(function.split("\n")[1].split(",")) == 2:
self.assertIn("<h1>Function Animation</h1>", data)
else:
self.assertNotIn("<h1>Function Animation</h1>", data)
else:
self.assertNotIn("<h1>Function Image</h1>", data)
self.assertNotIn("<h1>Function Animation</h1>", data)
self.assertIn("<th>Average</th>", data)
if len(function.split("\n")) > 3:
self.assertIn("<h1>Function Evaluations</h1>", data)
if __name__ == "__main__":
unittest.main()