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//! Coverage analysis CLI commands.
pub(crate) mod diff;
use anyhow::Result;
use clap::{Parser, Subcommand};
/// Coverage analysis: diff/patch coverage for PR comments.
#[derive(Parser)]
pub struct CoverageCommand {
/// The coverage subcommand to execute.
#[command(subcommand)]
pub command: CoverageSubcommands,
/// `-C/--repo`, inherited by every coverage subcommand.
#[command(flatten)]
pub repo: crate::cli::repo_arg::RepoArg,
}
/// Coverage subcommands.
#[derive(Subcommand)]
pub enum CoverageSubcommands {
/// Analyses diff/patch coverage from a per-line report and a git diff.
Diff(diff::DiffCommand),
}
impl CoverageCommand {
/// Executes the coverage command.
///
/// `-C/--repo` is resolved here (`None` = current working directory) and
/// threaded explicitly to the leaf.
pub fn execute(self) -> Result<()> {
let repo = self.repo.path();
match self.command {
CoverageSubcommands::Diff(cmd) => cmd.execute(repo),
}
}
}
#[cfg(test)]
#[allow(clippy::unwrap_used, clippy::expect_used)]
mod tests {
use super::*;
/// The `coverage` command dispatches to `diff`; a missing report makes the
/// leaf command error, which exercises the dispatch path end-to-end.
#[test]
fn dispatches_to_diff() {
let cmd = CoverageCommand {
command: CoverageSubcommands::Diff(diff::DiffCommand {
report: std::path::PathBuf::from("/nonexistent/report.lcov"),
report_format: diff::ReportFormat::Auto,
base_ref: Some("HEAD".to_string()),
head_ref: None,
baseline_report: None,
baseline_report_format: diff::ReportFormat::Auto,
output: diff::OutputFormatArg::Markdown,
format: None,
fail_under_patch: None,
strip_prefix: None,
ignore_filename_regex: Vec::new(),
context_dir: None,
collapse_ranges: false,
all_files: false,
artifact_url: None,
run_url: None,
base_sha: None,
head_sha: None,
commit_url: None,
}),
repo: crate::cli::repo_arg::RepoArg::default(),
};
// Reaches the leaf command and fails on the missing report file.
assert!(cmd.execute().is_err());
}
}