52 lines
2.4 KiB
Rust
52 lines
2.4 KiB
Rust
//! `wai.live.ads` (extensions/live-ads.md): the committed corpus `live-conformance/ads/`
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//! regenerates byte for byte from its fixed seeds, holds no other file, every case in it gets
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//! the outcome it states, and the extension's §10 lists exactly the reasons the reference
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//! reports. The generator itself asserts that the corpus gives every one of them.
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#![cfg(feature = "live_ads")]
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use std::collections::BTreeMap;
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use std::path::PathBuf;
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use wai::live_ads::{corpus, Reason};
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fn wai_dir() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("..")
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}
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fn committed() -> BTreeMap<String, String> {
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let dir = wai_dir().join("live-conformance/ads");
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std::fs::read_dir(&dir)
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.expect("the committed corpus")
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.flatten()
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.map(|e| (e.file_name().to_string_lossy().into_owned(), e.path()))
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.filter(|(n, _)| n != "README.md")
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.map(|(n, p)| (n, std::fs::read_to_string(p).expect("a text file")))
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.collect()
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}
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#[test]
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fn the_committed_corpus_regenerates_from_its_seeds() {
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let files = committed();
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let generated: BTreeMap<String, String> = corpus::generate().into_iter().collect();
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let extra: Vec<&String> = files.keys().filter(|k| !generated.contains_key(*k)).collect();
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let missing: Vec<&String> = generated.keys().filter(|k| !files.contains_key(*k)).collect();
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let differ: Vec<&String> = generated.iter().filter(|(k, v)| files.get(*k).is_some_and(|f| f != *v)).map(|(k, _)| k).collect();
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assert!(extra.is_empty() && missing.is_empty() && differ.is_empty(), "extra {extra:?}, missing {missing:?}, differ {differ:?}: run `wai_live_ads_vectors gen`");
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}
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#[test]
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fn every_case_gets_its_stated_outcome() {
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let fails = corpus::verify(&committed());
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assert!(fails.is_empty(), "{}", fails.join("\n"));
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}
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/// §10 of the extension lists exactly the codes `Reason::ALL` has, each once, in order.
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#[test]
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fn the_extension_lists_the_reasons() {
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let text = std::fs::read_to_string(wai_dir().join("extensions/live-ads.md")).expect("the extension");
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let at = text.find("\n## 10. Reasons").expect("a §10");
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let end = text[at + 1..].find("\n## ").map_or(text.len(), |e| at + 1 + e);
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let listed: Vec<String> =
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text[at..end].lines().filter(|l| l.starts_with("| `")).filter_map(|l| l.split('`').nth(1).map(String::from)).collect();
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let want: Vec<String> = Reason::ALL.iter().map(|r| r.code().to_string()).collect();
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assert_eq!(listed, want, "§10's table and Reason::ALL differ");
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}
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