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// Copyright 2018-2019 Sebastian Wiesner <sebastian@swsnr.de>
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#![deny(warnings, missing_docs, clippy::all)]
// Currently we only run formatting tests on Unix, because we rely on a Python
// tool here, and I failed to setup Python properly on Travis CI' Windows
// workers.
#![cfg(unix)]
use mdcat;
use pretty_assertions::assert_eq;
use pulldown_cmark::{Options, Parser};
use std::fs::File;
use std::io::prelude::*;
use std::path::{Path, PathBuf};
use std::process::{Command, Stdio};
use syntect::parsing::SyntaxSet;
fn format_ansi_to_html(markdown: &str) -> String {
let child = Command::new("ansi2html")
.arg("--input-encoding")
.arg("utf8")
.arg("--output-encoding")
.arg("utf8")
.arg("--markup-lines")
.stdout(Stdio::piped())
.stdin(Stdio::piped())
.spawn()
.expect("Failed to start ansi2html");
{
let size = mdcat::TerminalSize::default();
let syntax_set = SyntaxSet::load_defaults_newlines();
let wd = std::env::current_dir().expect("No working directory");
let mut options = Options::empty();
options.insert(Options::ENABLE_TASKLISTS);
options.insert(Options::ENABLE_STRIKETHROUGH);
let parser = Parser::new_ext(markdown, options);
mdcat::push_tty(
&mut child.stdin.unwrap(),
mdcat::TerminalCapabilities::ansi(),
size,
parser,
&wd,
mdcat::ResourceAccess::LocalOnly,
syntax_set,
)
.expect("Formatting failed")
}
let mut buffer = Vec::new();
child
.stdout
.unwrap()
.read_to_end(&mut buffer)
.expect("Failed to read");
String::from_utf8(buffer)
.expect("Failed to convert from bytes")
// Normalize line endings
.replace("\r\n", "\n")
}
fn test_directory() -> PathBuf {
Path::new(file!())
.parent()
.expect("Failed to get parent directory")
.join("formatting")
}
fn read_file(basename: &str, extension: &str) -> String {
let mut contents = String::new();
let path = test_directory().join(basename).with_extension(extension);
File::open(path)
.and_then(|mut source| source.read_to_string(&mut contents))
.expect("Failed to read test file");
contents
}
fn assert_formats_to_expected_html(basename: &str) {
let markdown = read_file(basename, "md");
let actual_html = format_ansi_to_html(&markdown);
let target = test_directory()
.join(basename)
.with_extension("actual.html");
File::create(target)
.and_then(|mut f| f.write_all(actual_html.as_bytes()))
.expect("Failed to write actual HTML");
let expected_html = read_file(basename, "expected.html");
assert_eq!(actual_html, expected_html, "Different format produced");
}
macro_rules! test_compare_html(
($testname:ident) => (
#[test]
fn $testname() {
crate::assert_formats_to_expected_html(stringify!($testname));
}
)
);
mod formatting {
mod html {
test_compare_html!(block_quote_and_ruler);
test_compare_html!(code_blocks);
test_compare_html!(headers_and_paragraphs);
test_compare_html!(inline_formatting);
test_compare_html!(just_a_line);
test_compare_html!(links);
test_compare_html!(lists);
test_compare_html!(tasklist);
}
}
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