mirror of
https://github.com/fluencelabs/wasm-bindgen
synced 2025-05-20 17:31:20 +00:00
8fc40e4c0f
This commit updates the test harness for in-browser testing. It now no longer unconditionally uses `fs.writeSync`, for example. Instead a `Formatter` trait is introduced for both Node/browser environments and at runtime we detect which is the appropriate one to use.
61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
//! Support for printing status information of a test suite in node.js
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//!
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//! This currently uses the same output as `libtest`, only reimplemented here
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//! for node itself.
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use wasm_bindgen::prelude::*;
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use js_sys::eval;
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pub struct Node {
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fs: NodeFs,
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}
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#[wasm_bindgen]
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extern {
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type NodeFs;
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#[wasm_bindgen(method, js_name = writeSync, structural)]
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fn write_sync(this: &NodeFs, fd: i32, data: &[u8]);
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// Not using `js_sys::Error` because node's errors specifically have a
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// `stack` attribute.
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type NodeError;
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#[wasm_bindgen(method, getter, js_class = "Error", structural)]
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fn stack(this: &NodeError) -> String;
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}
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impl Node {
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pub fn new() -> Option<Node> {
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if super::detect::is_browser() {
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return None
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}
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let import = eval("require(\"fs\")").unwrap();
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Some(Node { fs: import.into() })
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}
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}
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impl super::Formatter for Node {
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fn writeln(&self, line: &str) {
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super::console_log(line);
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}
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fn log_start(&self, name: &str) {
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let data = format!("test {} ... ", name);
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self.fs.write_sync(2, data.as_bytes());
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}
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fn log_success(&self) {
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self.fs.write_sync(2, b"ok\n");
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}
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fn log_ignored(&self) {
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self.fs.write_sync(2, b"ignored\n");
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}
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fn log_failure(&self, err: JsValue) -> String {
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self.fs.write_sync(2, b"ignored\n");
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// TODO: should do a checked cast to `NodeError`
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NodeError::from(err).stack()
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}
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}
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