Squashed 'vendor/ruvector/' content from commit b64c2172

git-subtree-dir: vendor/ruvector
git-subtree-split: b64c21726f2bb37286d9ee36a7869fef60cc6900

examples/exo-ai-2025/tests/common/assertions.rs

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+//! Custom assertions for integration tests
+//!
+//! Provides domain-specific assertions for cognitive substrate testing.
+
+#![allow(dead_code)]
+
+/// Assert two embeddings are approximately equal (within epsilon)
+pub fn assert_embeddings_approx_equal(a: &[f32], b: &[f32], epsilon: f32) {
+    assert_eq!(
+        a.len(),
+        b.len(),
+        "Embeddings have different dimensions: {} vs {}",
+        a.len(),
+        b.len()
+    );
+
+    for (i, (av, bv)) in a.iter().zip(b.iter()).enumerate() {
+        let diff = (av - bv).abs();
+        assert!(
+            diff < epsilon,
+            "Embedding mismatch at index {}: |{} - {}| = {} >= {}",
+            i,
+            av,
+            bv,
+            diff,
+            epsilon
+        );
+    }
+}
+
+/// Assert similarity scores are in descending order
+pub fn assert_scores_descending(scores: &[f32]) {
+    for window in scores.windows(2) {
+        assert!(
+            window[0] >= window[1],
+            "Scores not in descending order: {} < {}",
+            window[0],
+            window[1]
+        );
+    }
+}
+
+/// Assert causal ordering is respected
+pub fn assert_causal_order(results: &[String], expected_order: &[String]) {
+    // TODO: Implement once CausalResult type exists
+    // Verify results respect causal dependencies
+    assert_eq!(results.len(), expected_order.len(), "Result count mismatch");
+}
+
+/// Assert CRDT states are convergent
+pub fn assert_crdt_convergence(state1: &str, state2: &str) {
+    // TODO: Implement once CRDT types exist
+    // Verify eventual consistency
+    assert_eq!(state1, state2, "CRDT states did not converge");
+}
+
+/// Assert topological invariants match expected values
+pub fn assert_betti_numbers(betti: &[usize], expected: &[usize]) {
+    assert_eq!(
+        betti.len(),
+        expected.len(),
+        "Betti number dimension mismatch"
+    );
+
+    for (i, (actual, exp)) in betti.iter().zip(expected.iter()).enumerate() {
+        assert_eq!(
+            actual, exp,
+            "Betti number b_{} mismatch: {} != {}",
+            i, actual, exp
+        );
+    }
+}
+
+/// Assert consensus proof is valid
+pub fn assert_valid_consensus_proof(proof: &str, threshold: usize) {
+    // TODO: Implement once CommitProof type exists
+    // Verify proof has sufficient signatures
+    assert!(
+        !proof.is_empty(),
+        "Consensus proof is empty (need {} votes)",
+        threshold
+    );
+}
+
+/// Assert temporal ordering is consistent
+pub fn assert_temporal_order(timestamps: &[u64]) {
+    for window in timestamps.windows(2) {
+        assert!(
+            window[0] <= window[1],
+            "Timestamps not in temporal order: {} > {}",
+            window[0],
+            window[1]
+        );
+    }
+}
+
+/// Assert pattern is within manifold region
+pub fn assert_in_manifold_region(embedding: &[f32], center: &[f32], radius: f32) {
+    let distance = euclidean_distance(embedding, center);
+    assert!(
+        distance <= radius,
+        "Pattern outside manifold region: distance {} > radius {}",
+        distance,
+        radius
+    );
+}
+
+// Helper: Compute Euclidean distance
+fn euclidean_distance(a: &[f32], b: &[f32]) -> f32 {
+    assert_eq!(a.len(), b.len());
+    a.iter()
+        .zip(b.iter())
+        .map(|(av, bv)| (av - bv).powi(2))
+        .sum::<f32>()
+        .sqrt()
+}

examples/exo-ai-2025/tests/common/fixtures.rs

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+//! Test fixtures and data builders
+//!
+//! Provides reusable test data and configuration builders.
+
+#![allow(dead_code)]
+
+/// Generate test embeddings with known patterns
+pub fn generate_test_embeddings(count: usize, dimensions: usize) -> Vec<Vec<f32>> {
+    // TODO: Implement once exo-core types are available
+    // Generate diverse embeddings for testing
+    // Use deterministic seed for reproducibility
+
+    (0..count)
+        .map(|i| {
+            (0..dimensions)
+                .map(|d| ((i * dimensions + d) as f32).sin())
+                .collect()
+        })
+        .collect()
+}
+
+/// Generate clustered embeddings (for testing similarity)
+pub fn generate_clustered_embeddings(
+    clusters: usize,
+    per_cluster: usize,
+    dimensions: usize,
+) -> Vec<Vec<f32>> {
+    // TODO: Implement clustering logic
+    // Create distinct clusters in embedding space
+    vec![vec![0.0; dimensions]; clusters * per_cluster]
+}
+
+/// Create a test pattern with default values
+pub fn create_test_pattern(embedding: Vec<f32>) -> String {
+    // TODO: Return actual Pattern once exo-core exists
+    // For now, return placeholder
+    format!("TestPattern({:?})", &embedding[..embedding.len().min(3)])
+}
+
+/// Create a test hypergraph with known topology
+pub fn create_test_hypergraph() -> String {
+    // TODO: Build test hypergraph once exo-hypergraph exists
+    // Should include:
+    // - Multiple connected components
+    // - Some 1-dimensional holes (cycles)
+    // - Some 2-dimensional holes (voids)
+    "TestHypergraph".to_string()
+}
+
+/// Create a causal chain for testing temporal memory
+pub fn create_causal_chain(length: usize) -> Vec<String> {
+    // TODO: Create linked patterns once exo-temporal exists
+    // Returns pattern IDs in causal order
+    (0..length).map(|i| format!("pattern_{}", i)).collect()
+}
+
+/// Create a federation of test nodes
+pub async fn create_test_federation(node_count: usize) -> Vec<String> {
+    // TODO: Implement once exo-federation exists
+    // Returns federation node handles
+    (0..node_count)
+        .map(|i| format!("node_{}", i))
+        .collect()
+}
+
+/// Default test configuration
+pub fn default_test_config() -> TestConfig {
+    TestConfig {
+        timeout_ms: 5000,
+        log_level: "info".to_string(),
+        seed: 42,
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct TestConfig {
+    pub timeout_ms: u64,
+    pub log_level: String,
+    pub seed: u64,
+}

examples/exo-ai-2025/tests/common/helpers.rs

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+//! Test helper functions
+//!
+//! Provides utility functions for integration testing.
+
+#![allow(dead_code)]
+
+use std::time::Duration;
+use tokio::time::timeout;
+
+/// Run async test with timeout
+pub async fn with_timeout<F, T>(duration: Duration, future: F) -> Result<T, String>
+where
+    F: std::future::Future<Output = T>,
+{
+    match timeout(duration, future).await {
+        Ok(result) => Ok(result),
+        Err(_) => Err(format!("Test timed out after {:?}", duration)),
+    }
+}
+
+/// Initialize test logger
+pub fn init_test_logger() {
+    // Initialize tracing/logging for tests
+    // Only initialize once
+    let _ = env_logger::builder()
+        .is_test(true)
+        .filter_level(log::LevelFilter::Info)
+        .try_init();
+}
+
+/// Generate deterministic random data for testing
+pub fn deterministic_random_vec(seed: u64, len: usize) -> Vec<f32> {
+    // Simple LCG for deterministic "random" numbers
+    let mut state = seed;
+    (0..len)
+        .map(|_| {
+            state = state.wrapping_mul(1103515245).wrapping_add(12345);
+            ((state / 65536) % 32768) as f32 / 32768.0
+        })
+        .collect()
+}
+
+/// Measure execution time of a function
+pub async fn measure_async<F, T>(f: F) -> (T, Duration)
+where
+    F: std::future::Future<Output = T>,
+{
+    let start = std::time::Instant::now();
+    let result = f.await;
+    let duration = start.elapsed();
+    (result, duration)
+}
+
+/// Compare vectors with tolerance
+pub fn vectors_approx_equal(a: &[f32], b: &[f32], tolerance: f32) -> bool {
+    if a.len() != b.len() {
+        return false;
+    }
+
+    a.iter()
+        .zip(b.iter())
+        .all(|(av, bv)| (av - bv).abs() < tolerance)
+}
+
+/// Cosine similarity
+pub fn cosine_similarity(a: &[f32], b: &[f32]) -> f32 {
+    assert_eq!(a.len(), b.len());
+
+    let dot_product: f32 = a.iter().zip(b.iter()).map(|(av, bv)| av * bv).sum();
+    let norm_a: f32 = a.iter().map(|av| av * av).sum::<f32>().sqrt();
+    let norm_b: f32 = b.iter().map(|bv| bv * bv).sum::<f32>().sqrt();
+
+    if norm_a == 0.0 || norm_b == 0.0 {
+        0.0
+    } else {
+        dot_product / (norm_a * norm_b)
+    }
+}
+
+/// Wait for async condition to become true
+pub async fn wait_for_condition<F>(
+    mut condition: F,
+    timeout_duration: Duration,
+    check_interval: Duration,
+) -> Result<(), String>
+where
+    F: FnMut() -> bool,
+{
+    let start = std::time::Instant::now();
+
+    while start.elapsed() < timeout_duration {
+        if condition() {
+            return Ok(());
+        }
+        tokio::time::sleep(check_interval).await;
+    }
+
+    Err(format!(
+        "Condition not met within {:?}",
+        timeout_duration
+    ))
+}
+
+/// Create a temporary test directory
+pub fn create_temp_test_dir() -> std::io::Result<std::path::PathBuf> {
+    let temp_dir = std::env::temp_dir().join(format!("exo-test-{}", uuid::Uuid::new_v4()));
+    std::fs::create_dir_all(&temp_dir)?;
+    Ok(temp_dir)
+}
+
+/// Clean up test resources
+pub async fn cleanup_test_resources(path: &std::path::Path) -> std::io::Result<()> {
+    if path.exists() {
+        tokio::fs::remove_dir_all(path).await?;
+    }
+    Ok(())
+}
+
+// Mock UUID for tests (replace with actual uuid crate when available)
+mod uuid {
+    pub struct Uuid;
+    impl Uuid {
+        pub fn new_v4() -> String {
+            format!("{:016x}", std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .unwrap()
+                .as_nanos())
+        }
+    }
+}

examples/exo-ai-2025/tests/common/mod.rs

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+//! Common test utilities and helpers for integration tests
+//!
+//! This module provides shared functionality across all integration tests.
+
+pub mod fixtures;
+pub mod assertions;
+pub mod helpers;
+
+// Re-export commonly used items
+pub use fixtures::*;
+pub use assertions::*;
+pub use helpers::*;