356762c294
A player's signed claim (WPC1) that it presented one impression of a live-ads break: the creative's objects it presented, spans of its media time with the fraction of pixels in view and audibility, the geometry they were measured over, a rendered-frame count, and an optional RFC 9577 token bound to the impression through its challenge and verified as RFC 9578 §6.4 does for type 0x0002. An ad policy of version 2 requires claims (and optionally an attestation and an audible run) under the video or cross-media viewability rule; the room verifier's spend-equivalence then counts only impressions whose claim verifies. The corpus live-conformance/presentation/ is generated from fixed seeds. Co-Authored-By: Claude Opus 5.5 <[email protected]>
54 lines
2.6 KiB
Rust
54 lines
2.6 KiB
Rust
//! `wai.live.ad_presentation` (extensions/ad-presentation.md): the committed corpus
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//! `live-conformance/presentation/` regenerates byte for byte from its fixed seeds, holds no
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//! other file, every case in it gets the outcome it states, and the extension's §11 lists
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//! exactly the reasons the reference reports. The generator itself asserts that the corpus
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//! gives every one of them, and that RFC 9578's own token verifies under its issuer key.
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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::presentation::Reason;
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use wai::live_ads::presentation_corpus as corpus;
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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/presentation");
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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_ad_presentation_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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/// §11 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/ad-presentation.md")).expect("the extension");
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let at = text.find("\n## 11. Reasons").expect("a §11");
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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, "§11's table and Reason::ALL differ");
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}
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