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//Codifyle, a Rust file testing library //Copyright © 2015 Brandon Sanderson // //Permission is hereby granted, free of charge, to any person obtaining //a copy of this software and associated documentation files (the "Software"), //to deal in the Software without restriction, including without limitation //the rights to use, copy, modify, merge, publish, distribute, sublicense, //and/or sell copies of the Software, and to permit persons to whom the //Software is furnished to do so, subject to the following conditions: // //The above copyright notice and this permission notice shall be included //in all copies or substantial portions of the Software. // //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, //EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES //OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. //IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, //DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, //TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE //OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. use std::fs::File; use std::io::Read; use std::error::Error; fn read_file_contents(file:&str) -> String { let f_opt = File::open(file); assert!(f_opt.is_ok(), "Couldn't open {} to check contents", file); let mut f = f_opt.unwrap(); let mut buffer:String = String::new(); loop { let read_result = f.read_to_string(&mut buffer); match read_result { Ok(0) => break, Ok(_) => continue, Err(err) => panic!( "Failed to read all contents of {}. Error: {}", file, err.description()), } } buffer } pub fn assert_file_contains_line(file:&str, expected_line:&str){ let contents = read_file_contents(file); for line in contents.lines() { if line == expected_line { return; } } panic!("Line {} not found in {}", expected_line, file); } pub fn assert_file_contents_eq(file:&str, contents:&str){ let actual_contents = read_file_contents(file); assert_eq!(<String as AsRef<str>>::as_ref(&actual_contents), contents); }