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use failure::err_msg;
use failure::Error;
use serde;
use serde_json;
use sorted_json::to_json;
use std::{
collections::HashMap,
env,
fs::File,
io::{Read, Write},
path::PathBuf,
process::Command,
string::String,
};
use destination;
use function;
use scrub;
pub fn assert_snapshot_2<T>(
file: &'static str,
line: u32,
extra: &str,
data: &T,
) -> Result<(), Error>
where
T: serde::Serialize,
{
assert_snapshot_(file, line, extra, data, &HashMap::new())
}
pub fn assert_snapshot_<T>(
file: &'static str,
line: u32,
extra: &str,
data: &T,
scrubs: &HashMap<String, String>,
) -> Result<(), Error>
where
T: serde::Serialize,
{
let new_content = serde_json::to_value(data)?;
let mut new_content = to_json(&new_content);
let mut ext = "json";
if let serde_json::Value::String(s) = serde_json::to_value(data)? {
new_content = s;
ext = "txt";
}
let new_content = new_content + "\n";
let new_content = scrub::scrub(&new_content, scrubs);
let func = function::function(file, line);
let dst: PathBuf = PathBuf::from(destination::destination(file, &func, extra, false, ext));
let dst_tmp: PathBuf = PathBuf::from(destination::destination(file, &func, extra, true, ext));
if dst.exists() {
let mut existing = File::open(&dst)?;
let mut existing_content = String::new();
existing.read_to_string(&mut existing_content)?;
if new_content != existing_content {
let mut new = File::create(&dst_tmp)?;
new.write_all(&new_content.into_bytes())?;
let process = Command::new("git")
.args(&[
"diff",
"--color",
"--no-index",
"--",
dst.to_str().ok_or(err_msg("PathNotUtf8"))?,
dst_tmp.to_str().ok_or(err_msg("PathNotUtf8"))?,
]).output()?;
println!("{}", String::from_utf8(process.stdout)?);
println!(
"\n\nIf the new output is correct, run: \nmv {} {}\n\n",
(env::current_dir()?.join(dst_tmp))
.to_str()
.ok_or(err_msg("PathNotUtf8"))?,
(env::current_dir()?.join(dst.clone()))
.to_str()
.ok_or(err_msg("PathNotUtf8"))?
);
Err(err_msg("TestFailed"))?
}
} else {
let parent = dst.parent().ok_or(err_msg("TestFailed"))?;
Command::new("mkdir")
.args(&["-p", parent.to_str().ok_or(err_msg("PathNotUtf8"))?])
.output()?;
let mut new = File::create(&dst_tmp)?;
new.write_all(&new_content.into_bytes())?;
let process = Command::new("git")
.args(&[
"diff",
"--color",
"--no-index",
"--",
"/dev/null",
dst_tmp.to_str().ok_or(err_msg("PathNotUtf8"))?,
]).output()?;
println!("{}", String::from_utf8(process.stdout)?);
println!(
"\n\nIf the new output is correct, run: \nmv {} {}\n\n",
(env::current_dir()?.join(dst_tmp))
.to_str()
.ok_or(err_msg("PathNotUtf8"))?,
(env::current_dir()?.join(dst.clone()))
.to_str()
.ok_or(err_msg("PathNotUtf8"))?
);
Err(err_msg("TestFailed"))?
}
Ok(())
}