Treat any bare word in the command line as a report name

cli/src/invocation/cmd/report.rs

@@ -0,0 +1,39 @@
+use crate::argparse::Filter;
+use crate::invocation::display_report;
+use failure::Fallible;
+use taskchampion::Replica;
+use termcolor::WriteColor;
+
+pub(crate) fn execute<W: WriteColor>(
+    w: &mut W,
+    replica: &mut Replica,
+    report_name: String,
+    filter: Filter,
+) -> Fallible<()> {
+    display_report(w, replica, report_name, filter)
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::argparse::Filter;
+    use crate::invocation::test::*;
+    use taskchampion::Status;
+
+    #[test]
+    fn test_report() {
+        let mut w = test_writer();
+        let mut replica = test_replica();
+        replica.new_task(Status::Pending, s!("my task")).unwrap();
+
+        // The function being tested is only one line long, so this is sort of an integration test
+        // for display_report.
+
+        let report_name = "next".to_owned();
+        let filter = Filter {
+            ..Default::default()
+        };
+        execute(&mut w, &mut replica, report_name, filter).unwrap();
+        assert!(w.into_string().contains("my task"));
+    }
+}