bzr 0.2.0

A CLI for Bugzilla, inspired by gh
Documentation 
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use std::io::{self, Write};

use crate::cli::BugAction;
use crate::client::BugzillaClient;
use crate::error::Result;
use crate::output;
use crate::types::OutputFormat;

pub(super) async fn handle(
    client: &BugzillaClient,
    action: &BugAction,
    format: OutputFormat,
) -> Result<()> {
    let BugAction::History { id, since } = action else {
        unreachable!()
    };

    let history = client.get_bug_history_since(*id, since.as_deref()).await?;
    if history.is_empty() {
        let _ = writeln!(io::stdout(), "No history for bug #{id}.");
    } else {
        output::print_history(&history, format);
    }
    Ok(())
}

#[cfg(test)]
mod tests {
    use wiremock::matchers::{method, path};
    use wiremock::{Mock, ResponseTemplate};

    use crate::cli::BugAction;
    use crate::test_helpers::{capture_stdout, setup_test_env};
    use crate::types::OutputFormat;

    #[tokio::test]
    async fn bug_history_empty_prints_no_history_message() {
        let (_lock, mock, _tmp) = setup_test_env().await;

        Mock::given(method("GET"))
            .and(path("/rest/bug/42/history"))
            .respond_with(ResponseTemplate::new(200).set_body_json(serde_json::json!({
                "bugs": [{ "id": 42, "history": [] }]
            })))
            .expect(1)
            .mount(&mock)
            .await;

        let action = BugAction::History {
            id: 42,
            since: None,
        };
        let (result, output) = capture_stdout(crate::commands::bug::execute(
            &action,
            None,
            OutputFormat::Table,
            None,
        ))
        .await;
        assert!(result.is_ok(), "bug history should succeed: {result:?}");
        assert!(
            output.contains("No history for bug #42."),
            "expected empty-history message, got: {output}"
        );
    }
}