Add list-tests protocol message, test subcommands, extract test handlers

lib/client/client.go

@@ -117,6 +117,10 @@ func (c *Client) Log() (*ResponseLog, error) {
 	return first(roundTrip[ResponseLog](c, &RequestLog{}))
 }
 
+func (c *Client) ListTests() (*ResponseListTests, error) {
+	return first(roundTrip[ResponseListTests](c, &RequestListTests{}))
+}
+
 func (c *Client) Test(name string) (*ResponseTest, error) {
 	return first(roundTrip[ResponseTest](c, &RequestTest{Name: name}))
 }

lib/client/types.go

@@ -24,6 +24,11 @@ type ResponseLog struct {
 	Entries []LogEntry
 }
 
+type RequestListTests struct{}
+type ResponseListTests struct {
+	Names []string
+}
+
 type RequestTest struct {
 	Name string
 }
@@ -57,6 +62,8 @@ func init() {
 	msgpack.RegisterExt(5, (*ResponseInfo)(nil))
 	msgpack.RegisterExt(6, (*RequestLog)(nil))
 	msgpack.RegisterExt(7, (*ResponseLog)(nil))
+	msgpack.RegisterExt(125, (*RequestListTests)(nil))
+	msgpack.RegisterExt(124, (*ResponseListTests)(nil))
 	msgpack.RegisterExt(127, (*RequestTest)(nil))
 	msgpack.RegisterExt(126, (*ResponseTest)(nil))
 }