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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// This is a script to deploy and execute a binary on an iOS simulator.
// The primary use of this is to be able to run unit tests on the simulator and
// retrieve the results.
//
// To do this through Cargo instead, use Dinghy
// (https://github.com/snipsco/dinghy): cargo dinghy install, then cargo dinghy
// test.
use std::env;
use std::fs::{self, File};
use std::io::Write;
use std::path::Path;
use std::process;
use std::process::Command;
macro_rules! t {
($e:expr) => (match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with: {}", stringify!($e), e),
})
}
// Step one: Wrap as an app
fn package_as_simulator_app(crate_name: &str, test_binary_path: &Path) {
println!("Packaging simulator app");
drop(fs::remove_dir_all("ios_simulator_app"));
t!(fs::create_dir("ios_simulator_app"));
t!(fs::copy(test_binary_path,
Path::new("ios_simulator_app").join(crate_name)));
let mut f = t!(File::create("ios_simulator_app/Info.plist"));
t!(f.write_all(format!(r#"
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC
"-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleExecutable</key>
<string>{}</string>
<key>CFBundleIdentifier</key>
<string>com.rust.unittests</string>
</dict>
</plist>
"#, crate_name).as_bytes()));
}
// Step two: Start the iOS simulator
fn start_simulator() {
println!("Looking for iOS simulator");
let output = t!(Command::new("xcrun").arg("simctl").arg("list").output());
assert!(output.status.success());
let mut simulator_exists = false;
let mut simulator_booted = false;
let mut found_rust_sim = false;
let stdout = t!(String::from_utf8(output.stdout));
for line in stdout.lines() {
if line.contains("rust_ios") {
if found_rust_sim {
panic!("Duplicate rust_ios simulators found. Please \
double-check xcrun simctl list.");
}
simulator_exists = true;
simulator_booted = line.contains("(Booted)");
found_rust_sim = true;
}
}
if simulator_exists == false {
println!("Creating iOS simulator");
Command::new("xcrun")
.arg("simctl")
.arg("create")
.arg("rust_ios")
.arg("com.apple.CoreSimulator.SimDeviceType.iPhone-SE")
.arg("com.apple.CoreSimulator.SimRuntime.iOS-10-2")
.check_status();
} else if simulator_booted == true {
println!("Shutting down already-booted simulator");
Command::new("xcrun")
.arg("simctl")
.arg("shutdown")
.arg("rust_ios")
.check_status();
}
println!("Starting iOS simulator");
// We can't uninstall the app (if present) as that will hang if the
// simulator isn't completely booted; just erase the simulator instead.
Command::new("xcrun").arg("simctl").arg("erase").arg("rust_ios").check_status();
Command::new("xcrun").arg("simctl").arg("boot").arg("rust_ios").check_status();
}
// Step three: Install the app
fn install_app_to_simulator() {
println!("Installing app to simulator");
Command::new("xcrun")
.arg("simctl")
.arg("install")
.arg("booted")
.arg("ios_simulator_app/")
.check_status();
}
// Step four: Run the app
fn run_app_on_simulator() {
println!("Running app");
let output = t!(Command::new("xcrun")
.arg("simctl")
.arg("launch")
.arg("--console")
.arg("booted")
.arg("com.rust.unittests")
.output());
println!("stdout --\n{}\n", String::from_utf8_lossy(&output.stdout));
println!("stderr --\n{}\n", String::from_utf8_lossy(&output.stderr));
let stdout = String::from_utf8_lossy(&output.stdout);
let passed = stdout.lines()
.find(|l| l.contains("PASSED"))
.map(|l| l.contains("tests"))
.unwrap_or(false);
println!("Shutting down simulator");
Command::new("xcrun")
.arg("simctl")
.arg("shutdown")
.arg("rust_ios")
.check_status();
if !passed {
panic!("tests didn't pass");
}
}
trait CheckStatus {
fn check_status(&mut self);
}
impl CheckStatus for Command {
fn check_status(&mut self) {
println!("\trunning: {:?}", self);
assert!(t!(self.status()).success());
}
}
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() != 2 {
println!("Usage: {} <executable>", args[0]);
process::exit(-1);
}
let test_binary_path = Path::new(&args[1]);
let crate_name = test_binary_path.file_name().unwrap();
package_as_simulator_app(crate_name.to_str().unwrap(), test_binary_path);
start_simulator();
install_app_to_simulator();
run_app_on_simulator();
}
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