test(p10-1c-go): code-go-ast-v1 chunker snapshot + full-suite gate
Mirrors code_python_ast_snapshot / code_ts_ast_snapshot patterns. In-memory
CanonicalDocument (no kebab-parse-code dep — boundary §6.3 respected).
verify:
- cargo test -p kebab-chunk --test code_go_ast_snapshot → 2/2
- cargo test --workspace --no-fail-fast -j 1 → 0 failures (all green)
- cargo clippy --workspace --all-targets -- -D warnings → clean
- SMOKE: chunk.ParseDoc symbol + code_lang_breakdown {"go": 1} 확인
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
221
crates/kebab-chunk/tests/code_go_ast_snapshot.rs
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221
crates/kebab-chunk/tests/code_go_ast_snapshot.rs
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@@ -0,0 +1,221 @@
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//! Snapshot test pinning the `Vec<Chunk>` JSON for a
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//! representative Go code `CanonicalDocument`.
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//!
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//! This is an integration test. `kebab-parse-code` is intentionally NOT
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//! a dev-dep (design §6.3 / §8 boundary: AST extraction is parser-side).
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//! The `CanonicalDocument` is built inline from hand-crafted `Block::Code`
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//! units, which is the same pattern used in `code_rust_ast_v1.rs`'s
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//! internal `code_doc` test helper.
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//!
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//! Set `UPDATE_SNAPSHOTS=1` to re-bake the baseline.
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use std::path::PathBuf;
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use kebab_chunk::CodeGoAstV1Chunker;
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use kebab_core::{
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AssetId, Block, CanonicalDocument, ChunkPolicy, Chunker, ChunkerVersion, CodeBlock, CommonBlock,
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Lang, Metadata, ParserVersion, Provenance, SourceSpan, SourceType, TrustLevel, WorkspacePath,
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id_for_block, id_for_doc,
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};
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use serde_json::Value;
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use time::OffsetDateTime;
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fn fixtures_dir() -> PathBuf {
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PathBuf::from(env!("CARGO_MANIFEST_DIR"))
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.join("tests")
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.join("fixtures")
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}
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fn fixed_doc() -> CanonicalDocument {
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let wp = WorkspacePath("kebab_eval/metrics.go".into());
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let aid = AssetId("b".repeat(64));
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// Pin parser_version so doc_id / block_ids are reproducible.
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let pv = ParserVersion("code-go-v1".into());
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let doc_id = id_for_doc(&wp, &aid, &pv);
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// Build a >200-line function body to force split_oversize.
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let big_body: String = {
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let header = "func BigCompute(data []int) int {\n";
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let body: String = (0..210u32)
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.map(|i| format!("\tv{i} := 0\n\tif {i} < len(data) {{\n\t\tv{i} = data[{i}]\n\t}}\n"))
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.collect();
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let footer = "\treturn len(data)\n}";
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format!("{header}{body}{footer}")
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};
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let big_line_count = big_body.lines().count() as u32;
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let big_line_end = 48 + big_line_count - 1;
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// Representative units:
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// 0. import block (lines 1–5, ≤200)
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// 1. free fn `ComputeMRR` (lines 7–12, ≤200)
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// 2. struct `MetricsCollector` (lines 14–20, ≤200)
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// 3. struct `BaseEvaluator` (lines 22–30, ≤200)
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// 4. method `Run` (lines 32–38, ≤200)
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// 5. method `Report` (lines 40–46, ≤200)
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// 6. BigCompute (>200 lines) to force split_oversize
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let raw_units: Vec<(&str, u32, u32, String)> = vec![
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(
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"imports",
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1,
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5,
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"import (\n\t\"fmt\"\n\t\"os\"\n\t\"strings\"\n)".to_string(),
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),
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(
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"ComputeMRR",
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7,
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12,
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"func ComputeMRR(scores []float64) float64 {\n\tif len(scores) == 0 {\n\t\treturn 0.0\n\t}\n\t_ = fmt.Sprintf(\"%v\", scores)\n\treturn 1.0 / float64(len(scores))\n}".to_string(),
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),
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(
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"MetricsCollector",
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14,
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20,
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"type MetricsCollector struct {\n\tScores []float64\n\tLabels []string\n\tCounts map[string]int\n\tTotals map[string]float64\n\tTags []string\n}".to_string(),
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),
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(
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"BaseEvaluator",
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22,
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30,
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"type BaseEvaluator struct {\n\tName string\n}\n\nfunc (e *BaseEvaluator) Evaluate(data []string) error {\n\t_ = os.Stderr\n\t_ = strings.Join(data, \",\")\n\treturn nil\n}".to_string(),
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),
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(
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"MetricsCollector.Run",
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32,
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38,
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"func (m *MetricsCollector) Run(inputs []float64) {\n\tfor _, inp := range inputs {\n\t\tm.Scores = append(\n\t\t\tm.Scores,\n\t\t\tinp,\n\t\t)\n\t}\n}".to_string(),
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),
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(
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"MetricsCollector.Report",
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40,
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46,
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"func (m *MetricsCollector) Report() map[string]interface{} {\n\treturn map[string]interface{}{\n\t\t\"mean\": 0.0,\n\t\t\"count\": len(m.Scores),\n\t\t\"tags\": m.Tags,\n\t}\n}".to_string(),
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),
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("BigCompute", 48, big_line_end, big_body),
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];
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let blocks: Vec<Block> = raw_units
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.iter()
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.enumerate()
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.map(|(i, (sym, ls, le, code))| {
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let span = SourceSpan::Code {
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line_start: *ls,
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line_end: *le,
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symbol: Some((*sym).to_string()),
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lang: Some("go".into()),
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};
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let bid = id_for_block(&doc_id, "code", &[], i as u32, &span);
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Block::Code(CodeBlock {
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common: CommonBlock {
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block_id: bid,
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heading_path: vec![],
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source_span: span,
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},
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lang: Some("go".into()),
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code: code.clone(),
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})
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})
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.collect();
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CanonicalDocument {
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doc_id,
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source_asset_id: aid,
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workspace_path: wp,
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title: "metrics.go".into(),
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lang: Lang("und".into()),
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blocks,
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metadata: Metadata {
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aliases: vec![],
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tags: vec![],
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created_at: OffsetDateTime::from_unix_timestamp(1_700_000_000).unwrap(),
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updated_at: OffsetDateTime::from_unix_timestamp(1_700_000_000).unwrap(),
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source_type: SourceType::Note,
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trust_level: TrustLevel::Primary,
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user_id_alias: None,
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user: Default::default(),
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repo: Some("kebab".into()),
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git_branch: Some("main".into()),
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git_commit: Some("0".repeat(40)),
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code_lang: Some("go".into()),
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},
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provenance: Provenance { events: vec![] },
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parser_version: pv,
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schema_version: 1,
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doc_version: 1,
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last_chunker_version: None,
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last_embedding_version: None,
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}
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}
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fn fixed_policy() -> ChunkPolicy {
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ChunkPolicy {
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target_tokens: 500,
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overlap_tokens: 80,
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respect_markdown_headings: false,
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chunker_version: ChunkerVersion("code-go-ast-v1".into()),
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}
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}
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#[test]
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fn code_go_ast_chunks_snapshot() {
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let doc = fixed_doc();
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let policy = fixed_policy();
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let chunks = CodeGoAstV1Chunker.chunk(&doc, &policy).expect("chunk");
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let actual = serde_json::to_value(&chunks).unwrap();
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let dir = fixtures_dir();
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let baseline_path = dir.join("code-sample.go.chunks.snapshot.json");
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let baseline_text = match std::fs::read_to_string(&baseline_path) {
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Ok(s) => s,
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Err(_) if std::env::var("UPDATE_SNAPSHOTS").is_ok() => {
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std::fs::create_dir_all(&dir).unwrap();
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let pretty = serde_json::to_string_pretty(&actual).unwrap();
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std::fs::write(&baseline_path, format!("{pretty}\n")).unwrap();
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return;
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}
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Err(e) => panic!(
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"missing baseline {}; run with UPDATE_SNAPSHOTS=1 to create: {e}",
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baseline_path.display()
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),
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};
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let expected: Value = serde_json::from_str(&baseline_text).expect("baseline parses as json");
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if actual != expected {
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if std::env::var("UPDATE_SNAPSHOTS").is_ok() {
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let pretty = serde_json::to_string_pretty(&actual).unwrap();
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std::fs::write(&baseline_path, format!("{pretty}\n")).unwrap();
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eprintln!("updated baseline {}", baseline_path.display());
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return;
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}
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let pretty = serde_json::to_string_pretty(&actual).unwrap();
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panic!(
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"code-go-ast-v1 chunks snapshot drift\n\
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--- expected ({}) ---\n{baseline_text}\n\
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--- actual ---\n{pretty}\n\
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If intentional, re-run with UPDATE_SNAPSHOTS=1.",
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baseline_path.display()
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);
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}
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}
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/// Determinism cross-check: re-running the same pipeline yields the same
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/// chunk_ids byte-for-byte.
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#[test]
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fn code_go_ast_chunks_are_deterministic() {
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let policy = fixed_policy();
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let baseline: Vec<String> = CodeGoAstV1Chunker
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.chunk(&fixed_doc(), &policy)
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.unwrap()
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.into_iter()
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.map(|c| c.chunk_id.0)
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.collect();
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for _ in 0..5 {
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let again: Vec<String> = CodeGoAstV1Chunker
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.chunk(&fixed_doc(), &policy)
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.unwrap()
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.into_iter()
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.map(|c| c.chunk_id.0)
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.collect();
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assert_eq!(again, baseline);
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}
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}
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