def test_dockerimage_build_dockerfile():
"""
Adding a line is represented correctly in the docker files
"""
image = DockerImage()
image.addline('RUN', 'Run this command')
assert image.build_dockerfile() == u'RUN Run this command\n'
def test_dockerimage_build_dockerfile_expection_on_empty_definition():
"""
If the image definition has not been set that an exception is raised
"""
with pytest.raises(DockerImageError):
image = DockerImage()
image.build_dockerfile()
def test_dockeimage_validate_dockerfile_command_in_addline():
"""
Attempting to add a docker file command that is invalid throws an exceptions
"""
with pytest.raises(DockerImageError):
image = DockerImage()
image.addline("Not A Docker Command", "Run this command")
image.build_dockerfile()
