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124 lines
3.9 KiB
Python
124 lines
3.9 KiB
Python
"""
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test_enum.py:
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Checks that the testgen tool is properly generating its test cpp/hpp.
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@author jishii
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"""
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import os
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import subprocess
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from subprocess import CalledProcessError
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import pexpect
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from pexpect import TIMEOUT, EOF
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import filecmp
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import logging
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import time
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def file_diff(file1, file2):
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"""
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Returns set of line numbers from file1 which differ from file2
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"""
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diff_lines = set()
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with open(file1, "r") as file1open:
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with open(file2, "r") as file2open:
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count = 0
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while(1):
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line1 = file1open.readline()
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line2 = file2open.readline()
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if not line1 or not line2:
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break
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elif not line1 == line2:
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diff_lines.add(count)
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count += 1
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return diff_lines
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if file_len(file1) < file_len(file2):
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print("WARNING: " + file2 + " has more lines than " + file1)
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elif file_len(file1) < file_len(file2):
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print("WARNING: " + file1 + " has more lines than " + file2)
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def file_len(fname):
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with open(fname) as f:
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for i, l in enumerate(f):
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pass
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return i + 1
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def remove_headers(filename):
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"""
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Remove header comment so that date doesn't
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mess up the file comparison
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"""
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with open(filename, "r+") as f:
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lines = f.readlines()
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f.seek(0)
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num = 0
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for line in lines:
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if not (num == 0 and ('*' in line or '//' in line)):
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# Don't want to print empty first line
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if num != 0 or line.strip():
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f.write(line)
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num += 1
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f.truncate()
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def compare_genfile(filename):
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"""
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Compares genfile with expected genfile
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"""
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if ".py" in filename:
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filename = "DefaultDict/serializable/{}".format(filename)
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remove_headers(filename)
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if not (filecmp.cmp(filename,"templates/{}".format(filename))):
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print("WARNING: {} generated incorrectly according to Autocoders/Python/test/enum_xml/templates/{}".format(filename, filename))
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diff_lines = file_diff(filename, "templates/{}".format(filename))
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print("WARNING: the following lines from " + filename + " differ from the template: " + str(diff_lines))
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else:
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print("{} is consistent with expected template".format(filename))
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def test_testgen():
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"""
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Tests that tests are being generated correctly
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"""
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try:
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## Spawn executable
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p = pexpect.spawn("python ../../bin/testgen.py -v TestComponentAi.xml")
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p.expect("(?=.*Generated test files for TestComponentAi.xml)(?=.*Generated TesterBase.hpp)(?=.*Generated TesterBase.cpp)(?=.*Generated GTestBase.hpp)(?=.*Generated GTestBase.cpp)(?=.*Generated Tester.hpp)(?=.*Generated Tester.cpp)(?!.*ERROR).*", timeout=5)
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time.sleep(3)
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# Test whether all generated files match expected
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compare_genfile("Tester.cpp")
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compare_genfile("Tester.hpp")
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compare_genfile("TesterBase.cpp")
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compare_genfile("TesterBase.hpp")
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compare_genfile("GTestBase.cpp")
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compare_genfile("GTestBase.hpp")
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## If there was no timeout the pexpect test passed
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assert True
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## A timeout occurs when pexpect cannot match the executable
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## output with the designated expectation. In this case the
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## key expectation is p.expect(expect_string, timeout=3)
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## which tests what the method name describes
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except TIMEOUT as e:
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print("Timeout Error. Expected Value not returned.")
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# print ("-------Program Output-------")
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# print (ptestrun.before)
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print ("-------Expected Output-------")
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print (e.get_trace())
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assert False
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except EOF as e:
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print("EOF Error. Pexpect did not find expected output in program output.")
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# print ("-------Program Output-------")
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# print (ptestrun.before)
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assert False
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