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import os
import sys
import tempfile
import pytest
import canmatrix.formats
try:
from pathlib import Path
except ImportError:
from pathlib2 import Path
pytest_plugins = ["pytester"]
here = Path(__file__).parent / "files"
tmp_dir = tempfile.mkdtemp()
@pytest.fixture
def run(testdir):
def do_run(*args):
args = [sys.executable, "-m", "canmatrix.cli.compare"] + list(args)
return testdir.run(*args)
return do_run
def test_silent(tmpdir, run):
inputFile1 = str(here / "dbc" / "test_frame_decoding.dbc")
inputFile2 = str(here / "arxml" / "ARXML_min_max.arxml")
normal_result = run(inputFile1, inputFile2)
silent_result = run("-s", inputFile1, inputFile2)
assert len(normal_result.errlines) > len(silent_result.errlines)
assert len(normal_result.outlines) == len(silent_result.outlines)
def test_verbose(tmpdir, run):
inputFile1 = str(here / "dbc" / "test_frame_decoding.dbc")
inputFile2 = str(here / "arxml" / "ARXML_min_max.arxml")
normal_result = run(inputFile1, inputFile2)
verbose_result = run("-vv", inputFile1, inputFile2)
assert len(normal_result.errlines) + len(normal_result.outlines) < len(verbose_result.errlines) + len(verbose_result.outlines)
def create_dbc():
outFile1 = tmp_dir + "/output_cli_compare_tmpa.dbc"
outFile2 = tmp_dir + "/output_cli_compare_tmpb.dbc"
myFrame = canmatrix.Frame("testFrame3", arbitration_id=canmatrix.arbitration_id_converter(0x124), size=8, transmitters=["testBU"])
mySignal = canmatrix.Signal("someTestSignal",
size=11,
is_little_endian=False,
is_signed=False,
factor=5.0,
offset=1.0,
min=0,
max=500,
receivers=["recBU"])
myFrame.add_signal(mySignal)
mySignal.add_values(1, "one")
db = canmatrix.CanMatrix()
db.add_frame(myFrame)
canmatrix.formats.dumpp({"": db}, outFile1, dbcExportEncoding='iso-8859-1',
dbcExportCommentEncoding='iso-8859-1')
db.add_frame_defines("myAttribute", "INT -5 10")
db.add_signal_defines("mySignalAttribute", 'INT 0 65535')
mySignal.add_attribute("mySignalAttribute", "7")
myFrame.add_attribute("myAttribute", "42")
mySignal.add_values(2, "two")
myFrame.comment = "my Frame Comment"
mySignal.comment = "my Signal Comment"
canmatrix.formats.dumpp({"": db}, outFile2, dbcExportEncoding='iso-8859-1',
dbcExportCommentEncoding='iso-8859-1')
return outFile1, outFile2
def test_frames(tmpdir, run):
(inputFile1, inputFile2) = create_dbc()
result = run("--frames", inputFile1, inputFile2)
for line in result.outlines:
assert line.startswith("Frames")
def test_attributes(tmpdir, run):
(inputFile1, inputFile2) = create_dbc()
reference = run(inputFile1, inputFile2)
result = run("--attributes", inputFile1, inputFile2)
assert len(reference.errlines) + len(reference.outlines) < len(result.errlines) + len(result.outlines)
assert "ATTRIBUTES" not in "".join(reference.outlines)
assert "ATTRIBUTES" in "".join(result.outlines)
def test_value_tables(tmpdir, run):
(inputFile1, inputFile2) = create_dbc()
reference = run(inputFile1, inputFile2)
result = run("--valueTable", inputFile1, inputFile2)
assert len(reference.errlines) + len(reference.outlines) > len(result.errlines) + len(result.outlines)
assert "Valuetable" in "".join(reference.outlines)
assert "Valuetable" not in "".join(result.outlines)
def test_comments(tmpdir, run):
(inputFile1, inputFile2) = create_dbc()
reference = run(inputFile1, inputFile2)
result = run("--comments", inputFile1, inputFile2)
assert len(reference.errlines) + len(reference.outlines) < len(result.errlines) + len(result.outlines)
assert "comment:" not in "".join(reference.outlines)
assert "comment:" in "".join(result.outlines)
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