fix: "cibtool run list" shows ids without loading run info

If the run info can't be parsed as JSON, loading it will fail. Change
`cibtool run list` so that it only lists the run ids by default.

Signed-off-by: Lars Wirzenius <liw@liw.fi>

ci-broker.md

@@ -434,7 +434,7 @@ when I run cibtool --db ci-broker.db event list
 then stdout is empty
 
 when I run cibtool --db ci-broker.db run list
-then stdout has 2 lines containing "xyzzy"
+then stdout has 2 lines
 ~~~
 
 

ci-broker.yaml

@@ -25,6 +25,11 @@
     rust:
       function: stdout_has_one_line
 
+- then: "stdout has {n:uint} lines"
+  impl:
+    rust:
+      function: stdout_has_n_lines
+
 - then: "stdout has {n:uint} lines containing \"{text:text}\""
   impl:
     rust:

src/bin/cibtoolcmd/run.rs

@@ -217,18 +217,14 @@ impl Leaf for ListRuns {
     fn run(&self, args: &Args) -> Result<(), CibToolError> {
         let db = args.open_db()?;
 
-        let runs = if let Some(wanted) = &self.adapter_run_id {
-            db.find_runs(wanted)?
-        } else {
-            db.get_all_runs()?
-        };
-
         if self.json {
+            let runs = db.get_all_runs()?;
             println!(
                 "{}",
                 serde_json::to_string_pretty(&runs).map_err(CibToolError::RunToJson)?
             );
-        } else {
+        } else if let Some(wanted) = &self.adapter_run_id {
+            let runs = db.find_runs(wanted)?;
             for run in runs {
                 println!(
                     "{} {}",
@@ -238,6 +234,11 @@ impl Leaf for ListRuns {
                         .unwrap_or("unknown".into())
                 );
             }
+        } else {
+            let run_ids = db.list_runs()?;
+            for run_id in run_ids {
+                println!("{}", run_id);
+            }
         }
 
         Ok(())

src/subplot.rs

@@ -395,6 +395,16 @@ fn stdout_has_one_line(runcmd: &Runcmd) {
     }
 }
 
+#[step]
+#[context(SubplotContext)]
+#[context(Runcmd)]
+fn stdout_has_n_lines(runcmd: &Runcmd, n: usize) {
+    let linecount = runcmd.stdout_as_string().lines().count();
+    if linecount != n {
+        throw!(format!("stdout had {linecount} lines, expected {n}"));
+    }
+}
+
 #[step]
 #[context(SubplotContext)]
 #[context(Runcmd)]