grpctestify 1.6.2

gRPC testing utility written in Rust
Documentation 
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// JUnit reporter - outputs test results in JUnit XML format

use super::Reporter;
use crate::state::{TestResults, TestStatus};
use anyhow::{Context, Result};
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;

fn escape_xml(s: &str) -> String {
    s.replace("&", "&")
        .replace("<", "&lt;")
        .replace(">", "&gt;")
        .replace("\"", "&quot;")
        .replace("'", "&apos;")
}

struct TestCaseBuilder {
    name: String,
    classname: String,
    duration_ms: u64,
    status: TestStatus,
    error_message: Option<String>,
    tags: Vec<String>,
}

impl TestCaseBuilder {
    fn to_xml(&self) -> String {
        let escaped_name = escape_xml(&self.name);
        let escaped_classname = escape_xml(&self.classname);
        let duration = self.duration_ms as f64 / 1000.0;

        let mut xml = format!(
            "    <testcase name=\"{}\" classname=\"{}\" time=\"{:.3}\"",
            escaped_name, escaped_classname, duration
        );

        if self.tags.is_empty() {
            xml.push_str(">\n");
        } else {
            xml.push_str(">\n      <properties>\n");
            for tag in &self.tags {
                xml.push_str(&format!(
                    "        <property name=\"tag\" value=\"{}\"/>\n",
                    escape_xml(tag)
                ));
            }
            xml.push_str("      </properties>\n");
        }

        match self.status {
            TestStatus::Fail => {
                let msg = self.error_message.as_deref().unwrap_or("Test failed");
                xml.push_str(&format!(
                    "      <failure message=\"{}\" type=\"AssertionError\">{}</failure>\n",
                    escape_xml(msg),
                    escape_xml(msg)
                ));
            }
            TestStatus::Skip => {
                let msg = self.error_message.as_deref().unwrap_or("Test skipped");
                xml.push_str(&format!(
                    "      <skipped message=\"{}\" />\n",
                    escape_xml(msg)
                ));
            }
            TestStatus::Pass => {}
        }

        xml.push_str("    </testcase>\n");
        xml
    }
}

/// JUnit reporter
pub struct JunitReporter {
    output_path: PathBuf,
}

impl JunitReporter {
    pub fn new(output_path: PathBuf) -> Self {
        Self { output_path }
    }
}

impl Reporter for JunitReporter {
    fn on_suite_end(&self, results: &TestResults) -> Result<()> {
        let metrics = results.metrics();
        let duration = metrics.total_duration_ms as f64 / 1000.0;
        let total = results.total();
        let failures = results.failed();
        let skipped = results.skipped();

        let mut xml = format!(
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
             <testsuites name=\"grpctestify\" time=\"{:.3}\" tests=\"{}\" failures=\"{}\" errors=\"0\" skipped=\"{}\">\n\
             <testsuite name=\"e2e\" time=\"{:.3}\" tests=\"{}\" failures=\"{}\" errors=\"0\" skipped=\"{}\">\n",
            duration, total, failures, skipped, duration, total, failures, skipped
        );

        for result in results.all() {
            let display_name = result.meta.name.as_deref().unwrap_or(&result.name);
            let classname = std::path::Path::new(&result.name)
                .file_stem()
                .map(|s| s.to_string_lossy().into_owned())
                .unwrap_or_else(|| "unknown".to_string());

            let tc = TestCaseBuilder {
                name: display_name.to_string(),
                classname,
                duration_ms: result.duration_ms,
                status: result.status,
                error_message: result.error_message.clone(),
                tags: result.meta.tags.clone(),
            };
            xml.push_str(&tc.to_xml());
        }

        xml.push_str("  </testsuite>\n</testsuites>\n");

        let mut file = File::create(&self.output_path).with_context(|| {
            format!(
                "Failed to create JUnit report file: {}",
                self.output_path.display()
            )
        })?;
        file.write_all(xml.as_bytes())
            .context("Failed to write JUnit XML content")?;
        Ok(())
    }
}