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#![warn(missing_docs)]
use std::fs::File;
use std::io::{self, Read};
use std::path::Path;
use anyhow::{anyhow, Context};
use itertools::Itertools;
use ore::display::DisplayExt;
use self::error::{ErrorLocation, PosError};
use self::parser::LineReader;
mod action;
mod error;
mod format;
mod parser;
mod util;
pub use self::action::Config;
pub use self::error::Error;
pub async fn run_file(config: &Config, filename: &Path) -> Result<(), Error> {
let mut file =
File::open(filename).with_context(|| format!("opening {}", filename.display()))?;
let mut contents = String::new();
file.read_to_string(&mut contents)
.with_context(|| format!("reading {}", filename.display()))?;
run_string(config, filename, &contents).await
}
pub async fn run_stdin(config: &Config) -> Result<(), Error> {
let mut contents = String::new();
io::stdin()
.read_to_string(&mut contents)
.context("reading <stdin>")?;
run_string(config, Path::new("<stdin>"), &contents).await
}
pub async fn run_string(config: &Config, filename: &Path, contents: &str) -> Result<(), Error> {
println!("--- {}", filename.display());
let mut line_reader = LineReader::new(contents);
run_line_reader(config, &mut line_reader)
.await
.map_err(|e| {
let location = e.pos.map(|pos| {
let (line, col) = line_reader.line_col(pos);
ErrorLocation::new(filename, contents, line, col)
});
Error::new(e.source, location)
})
}
async fn run_line_reader(
config: &Config,
line_reader: &mut LineReader<'_>,
) -> Result<(), PosError> {
let cmds = parser::parse(line_reader)?;
let mut cmds_exec = cmds.clone();
let mut execution_count = 1;
if let Some(command) = cmds_exec.iter_mut().find(|el| {
if let parser::Command::Builtin(c) = &el.command {
if c.name == "set-execution-count" {
return true;
}
}
false
}) {
if let parser::Command::Builtin(c) = &mut command.command {
let count = c.args.string("count").unwrap_or_default();
execution_count = count.parse::<u32>().unwrap_or(1);
}
};
println!("Running test {} time(s) ... ", execution_count);
for _ in 1..execution_count + 1 {
println!("Run {} ...", execution_count);
cmds_exec = cmds.clone();
let (mut state, state_cleanup) = action::create_state(config).await?;
let actions = action::build(cmds_exec, &state).await?;
if config.reset {
state.reset_materialized().await?;
for a in actions.iter().rev() {
let undo = a.action.undo(&mut state);
undo.await.map_err(|e| PosError::new(e, a.pos))?
}
}
for a in &actions {
let redo = a.action.redo(&mut state);
redo.await.map_err(|e| PosError::new(e, a.pos))?;
if state.skip_rest {
break;
}
}
if config.reset {
let mut errors = Vec::new();
if let Err(e) = state.reset_s3().await {
errors.push(e);
}
if let Err(e) = state.reset_sqs().await {
errors.push(e);
}
if let Err(e) = state.reset_kinesis().await {
errors.push(e);
}
drop(state);
if let Err(e) = state_cleanup.await {
errors.push(e);
}
if !errors.is_empty() {
return Err(anyhow!(
"cleanup failed: {} errors: {}",
errors.len(),
errors.into_iter().map(|e| e.to_string_alt()).join("\n"),
)
.into());
}
}
}
Ok(())
}