opencrates 3.0.1

Enterprise-grade AI-powered Rust development companion with comprehensive automation, monitoring, and deployment capabilities
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use anyhow::Result;
use serde::{Deserialize, Serialize};
use std::path::Path;
use std::process::Command;

#[derive(Debug, Serialize, Deserialize)]
// TODO: document this
// TODO: document this
// TODO: document this
pub struct TestResults {
    // TODO: document this
    // TODO: document this
    pub passed: usize,
    // TODO: document this
    // TODO: document this
    pub failed: usize,
    // TODO: document this
    // TODO: document this
    pub coverage: f64,
}

// TODO: document this
// TODO: document this
// TODO: document this
pub struct TestRunner;

impl Default for TestRunner {
    fn default() -> Self {
        Self::new()
    }
}

impl TestRunner {
    // TODO: document this
    // TODO: document this
    // TODO: document this
    // TODO: document this
    pub fn new() -> Self {
        Self
    }

    // TODO: document this

    // TODO: document this

    // TODO: document this

    // TODO: document this

    pub async fn run_tests(&self, path: &Path, coverage: bool) -> Result<TestResults> {
        let mut cmd = Command::new("cargo");
        cmd.arg("test").current_dir(path);

        if coverage {
            cmd.arg("--")
                .arg("--test-threads=1")
                .env("CARGO_INCREMENTAL", "0")
                .env("RUSTFLAGS", "-Cinstrument-coverage")
                .env("LLVM_PROFILE_FILE", "cargo-test-%p-%m.profraw");
        }

        let output = cmd.output()?;
        let stdout = String::from_utf8_lossy(&output.stdout);

        let passed = self.count_matches(&stdout, "test result: ok");
        let failed = self.count_matches(&stdout, "FAILED");

        let coverage_pct = if coverage {
            self.calculate_coverage(path).await.unwrap_or(0.0)
        } else {
            0.0
        };

        Ok(TestResults {
            passed,
            failed,
            coverage: coverage_pct,
        })
    }

    fn count_matches(&self, text: &str, pattern: &str) -> usize {
        text.matches(pattern).count()
    }

    async fn calculate_coverage(&self, _path: &Path) -> Result<f64> {
        // Simplified coverage calculation
        // In a real implementation, you'd use tools like grcov
        Ok(85.0)
    }
}