def test_load_libgmt_fails(monkeypatch):
"""
Test that GMTCLibNotFoundError is raised when GMT's shared library cannot
be found.
"""
with monkeypatch.context() as mpatch:
mpatch.setattr(sys, "platform", "win32") # pretend to be on Windows
mpatch.setattr(subprocess, "check_output",
lambda cmd, encoding: "libfakegmt.so")
with pytest.raises(GMTCLibNotFoundError):
check_libgmt(load_libgmt())
def test_check_libgmt():
"""
Make sure check_libgmt fails when given a bogus library.
"""
libgmt = FakedLibGMT("/path/to/libgmt.so")
msg = (
# pylint: disable=protected-access
f"Error loading '{libgmt._name}'. "
"Couldn't access function GMT_Create_Session. "
"Ensure that you have installed an up-to-date GMT version 6 library. "
"Please set the environment variable 'GMT_LIBRARY_PATH' to the "
"directory of the GMT 6 library.")
with pytest.raises(GMTCLibError, match=msg):
check_libgmt(libgmt)
def test_load_libgmt_with_a_bad_library_path(monkeypatch):
"""
Test that loading still works when given a bad library path.
"""
# Set a fake "GMT_LIBRARY_PATH"
monkeypatch.setenv("GMT_LIBRARY_PATH", "/not/a/real/path")
assert check_libgmt(load_libgmt()) is None
def test_brokenlib_brokenlib_workinglib(self, mock_ctypes): # pylint: disable=unused-argument
"""
Case 6: repeating broken libraries + working library.
"""
lib_fullnames = [
self.faked_libgmt1, self.faked_libgmt1, self.loaded_libgmt
]
assert check_libgmt(load_libgmt(lib_fullnames=lib_fullnames)) is None
def test_workinglib_brokenlib_invalidpath(self, mock_ctypes): # pylint: disable=unused-argument
"""
Case 5: working library + broken library + invalid path.
"""
lib_fullnames = [
self.loaded_libgmt, self.faked_libgmt1, self.invalid_path
]
assert check_libgmt(load_libgmt(lib_fullnames=lib_fullnames)) is None
def test_load_libgmt():
"Test that loading libgmt works and doesn't crash."
check_libgmt(load_libgmt())
def test_check_libgmt():
"Make sure check_libgmt fails when given a bogus library"
with pytest.raises(GMTCLibError):
check_libgmt(dict())
