chore(ci): add test for sequencer server in the cli

cmd/rollkit/commands/run_node_test.go

@@ -3,6 +3,7 @@ package commands
 import (
 	"context"
 	"errors"
+	"net"
 	"net/url"
 	"reflect"
 	"syscall"
@@ -222,3 +223,47 @@ func TestStartMockDAServJSONRPC(t *testing.T) {
  })
 	}
 }
+
+func TestStartMockSequencerServer(t *testing.T) {
+	tests := []struct {
+ name string
+ seqAddress string
+ expectedErr error
+	}{
+ {
+ name: "Success",
+ seqAddress: "localhost:50051",
+ expectedErr: nil,
+ },
+ {
+ name: "Invalid URL",
+ seqAddress: "://invalid",
+ expectedErr: &net.OpError{},
+ },
+ {
+ name: "Server Already Running",
+ seqAddress: "localhost:50051",
+ expectedErr: errSequencerAlreadyRunning,
+ },
+ {
+ name: "Other Server Error",
+ seqAddress: "localhost:50051",
+ expectedErr: errors.New("other error"),
+ },
+	}
+
+	for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ srv, err := tryStartMockSequencerServerGRPC(tt.seqAddress, "test-rollup-id")
+
+ if tt.expectedErr != nil {
+ assert.Error(t, err)
+ assert.IsType(t, tt.expectedErr, err)
+ assert.Nil(t, srv)
+ } else {
+ assert.NoError(t, err)
+ assert.NotNil(t, srv)
+ }
+ })
+	}
+}