channels-console 0.1.0

#[cfg(test)]
pub mod tests {
    use std::process::Command;
    use tokio::time::{sleep, Duration};

    #[test]
    fn test_basic_output() {
        let output = Command::new("cargo")
            .args([
                "run",
                "-p",
                "channels-console-test",
                "--example",
                "basic",
                "--features",
                "channels-console",
            ])
            .output()
            .expect("Failed to execute command");

        assert!(
            output.status.success(),
            "Command failed with status: {}",
            output.status
        );

        assert!(!output.stderr.is_empty(), "Stderr is empty");
        let all_expected = [
            "examples/basic.rs",
            "hello-there",
            "unbounded",
            "bounded[10]",
            "oneshot",
            "notified",
        ];

        let stdout = String::from_utf8_lossy(&output.stdout);
        for expected in all_expected {
            assert!(
                stdout.contains(expected),
                "Expected:\n{expected}\n\nGot:\n{stdout}",
            );
        }
    }

    #[tokio::test]
    async fn test_metrics_endpoint() {
        let mut child = tokio::process::Command::new("cargo")
            .args([
                "run",
                "-p",
                "channels-console-test",
                "--example",
                "basic",
                "--features",
                "channels-console",
            ])
            .spawn()
            .expect("Failed to spawn command");

        let mut json_text = String::new();
        let mut last_error = None;

        for _attempt in 0..4 {
            sleep(Duration::from_millis(500)).await;

            match ureq::get("http://127.0.0.1:6770/metrics").call() {
                Ok(response) => {
                    json_text = response
                        .into_string()
                        .expect("Failed to read response body");
                    last_error = None;
                    break;
                }
                Err(e) => {
                    last_error = Some(format!("Request error: {}", e));
                }
            }
        }

        if let Some(error) = last_error {
            panic!("Failed after 4 retries: {}", error);
        }

        let all_expected = ["basic.rs", "hello-there"];
        for expected in all_expected {
            assert!(
                json_text.contains(expected),
                "Expected:\n{expected}\n\nGot:\n{json_text}",
            );
        }

        child.kill().await.expect("Failed to kill child process");
    }

    #[test]
    fn test_basic_json_output() {
        let output = Command::new("cargo")
            .args([
                "run",
                "-p",
                "channels-console-test",
                "--example",
                "basic_json",
                "--features",
                "channels-console",
            ])
            .output()
            .expect("Failed to execute command");

        assert!(
            output.status.success(),
            "Command failed with status: {}",
            output.status
        );

        let all_expected = [
            "\"label\": \"examples/basic_json.rs:",
            "\"label\": \"hello-there\"",
        ];

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

        for expected in all_expected {
            assert!(
                stdout.contains(expected),
                "Expected:\n{expected}\n\nGot:\n{stdout}",
            );
        }
    }

    #[test]
    fn test_closed_channels_output() {
        let output = Command::new("cargo")
            .args([
                "run",
                "-p",
                "channels-console-test",
                "--example",
                "closed",
                "--features",
                "channels-console",
            ])
            .output()
            .expect("Failed to execute command");

        assert!(
            output.status.success(),
            "Command failed with status: {}",
            output.status
        );

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

        // Match "closed" with flexible spacing (table cells are padded)
        let closed_count = stdout.matches("| closed").count();
        assert_eq!(
            closed_count, 2,
            "Expected 'closed' state to appear 2 times in table (bounded and unbounded), found {}.\nOutput:\n{}",
            closed_count, stdout
        );

        let notified_count = stdout.matches("| notified").count();
        assert_eq!(
            notified_count, 1,
            "Expected 'notified' state to appear 1 time in table (oneshot), found {}.\nOutput:\n{}",
            notified_count, stdout
        );
    }

    #[test]
    fn test_oneshot_closed_output() {
        let output = Command::new("cargo")
            .args([
                "run",
                "-p",
                "channels-console-test",
                "--example",
                "oneshot_closed",
                "--features",
                "channels-console",
            ])
            .output()
            .expect("Failed to execute command");

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

        assert!(
            output.status.success(),
            "Command failed with status: {}\nStdout:\n{}\nStderr:\n{}",
            output.status,
            stdout,
            stderr
        );

        let all_expected = ["| closed |", "oneshot_closed.rs:"];

        for expected in all_expected {
            assert!(
                stdout.contains(expected),
                "Expected:\n{expected}\n\nGot:\n{stdout}",
            );
        }
    }
}