81 lines
2.5 KiB
Rust
81 lines
2.5 KiB
Rust
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//! Tests running SWFs in a headless Ruffle instance.
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//!
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//! Trace output can be compared with correct output from the official Flash Payer.
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use log::{Metadata, Record};
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use ruffle_core::backend::{audio::NullAudioBackend, render::NullRenderer};
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use ruffle_core::Player;
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use std::cell::RefCell;
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type Error = Box<dyn std::error::Error>;
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// This macro generates test cases for a given list of SWFs.
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macro_rules! swf_tests {
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($(($name:ident, $path:expr, $num_frames:literal),)*) => {
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$(
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#[test]
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fn $name() -> Result<(), Error> {
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test_swf(
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concat!("tests/swfs/", $path, "/test.swf"),
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$num_frames,
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concat!("tests/swfs/", $path, "/output.txt"),
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)
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}
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)*
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}
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}
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// List of SWFs to test.
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// Format: (test_name, test_folder, number_of_frames_to_run)
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// The test folder is a relative to core/tests/swfs
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// Inside the folder is expected to be "test.swf" and "output.txt" with the correct output.
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swf_tests! {
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(single_frame, "avm1/single_frame", 2),
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(looping, "avm1/looping", 6),
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}
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/// Loads an SWF and runs it through the Ruffle core for a number of frames.
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/// Tests that the trace output matches the given expected output.
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fn test_swf(swf_path: &str, num_frames: u32, expected_output_path: &str) -> Result<(), Error> {
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let _ = log::set_logger(&TRACE_LOGGER).map(|()| log::set_max_level(log::LevelFilter::Info));
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let expected_output = std::fs::read_to_string(expected_output_path)?.replace("\r\n", "\n");
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let swf_data = std::fs::read(swf_path)?;
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let mut player = Player::new(NullRenderer, NullAudioBackend::new(), swf_data)?;
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for _ in 0..num_frames {
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player.run_frame();
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}
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assert_eq!(trace_log(), expected_output);
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Ok(())
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}
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thread_local! {
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static TRACE_LOG: RefCell<String> = RefCell::new(String::new());
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}
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static TRACE_LOGGER: TraceLogger = TraceLogger;
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/// `TraceLogger` captures output from AVM trace actions into a String.
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struct TraceLogger;
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fn trace_log() -> String {
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TRACE_LOG.with(|log| log.borrow().clone())
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}
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impl log::Log for TraceLogger {
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fn enabled(&self, metadata: &Metadata) -> bool {
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metadata.target() == "avm_trace"
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}
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fn log(&self, record: &Record) {
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if self.enabled(record.metadata()) {
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TRACE_LOG.with(|log| log.borrow_mut().push_str(&format!("{}\n", record.args())));
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}
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}
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fn flush(&self) {}
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}
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