assert_file(relative, *contents)
Instance Public methods
Asserts a given file exists. You need to supply an absolute path or a path
relative to the configured destination:
assert_file "config/environment.rb"
You can also give extra arguments. If the argument is a regexp, it will
check if the regular expression matches the given file content. If it's
a string, it compares the file with the given string:
assert_file "config/environment.rb", /initialize/
Finally, when a block is giv