Add tests for WsManagerList function

Ensure that no workspace clusters are returned when either skipSelf is
set or the installation is not a full one.

install/installer/pkg/components/ws-manager-bridge/objects_test.go

@@ -0,0 +1,58 @@
+// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
+// Licensed under the MIT License. See License-MIT.txt in the project root for license information.
+
+package wsmanagerbridge
+
+import (
+	"github.com/gitpod-io/gitpod/installer/pkg/common"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/v1"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/v1/experimental"
+	"github.com/gitpod-io/gitpod/installer/pkg/config/versions"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestWorkspaceManagerList_WhenSkipSelfIsSet(t *testing.T) {
+	testCases := []struct {
+		SkipSelf                bool
+		InstallationKind        config.InstallationKind
+		ExpectWorkspaceClusters bool
+	}{
+		{SkipSelf: true, InstallationKind: config.InstallationFull, ExpectWorkspaceClusters: false},
+		{SkipSelf: true, InstallationKind: config.InstallationMeta, ExpectWorkspaceClusters: false},
+		{SkipSelf: false, InstallationKind: config.InstallationFull, ExpectWorkspaceClusters: true},
+		{SkipSelf: false, InstallationKind: config.InstallationMeta, ExpectWorkspaceClusters: false},
+	}
+
+	for _, testCase := range testCases {
+		ctx := renderContextWithConfig(t, testCase.SkipSelf, testCase.InstallationKind)
+
+		wsclusters := WSManagerList(ctx)
+		if testCase.ExpectWorkspaceClusters {
+			require.NotEmpty(t, wsclusters, "expected to render workspace clusters when skipSelf=%v, kind=%s",
+				testCase.SkipSelf, testCase.InstallationKind)
+		}
+	}
+}
+
+func renderContextWithConfig(t *testing.T, skipSelf bool, installationKind config.InstallationKind) *common.RenderContext {
+	ctx, err := common.NewRenderContext(config.Config{
+		Kind: installationKind,
+		Experimental: &experimental.Config{
+			WebApp: &experimental.WebAppConfig{
+				WorkspaceManagerBridge: &experimental.WsManagerBridgeConfig{
+					SkipSelf: skipSelf,
+				},
+			},
+		},
+	}, versions.Manifest{
+		Components: versions.Components{
+			PublicAPIServer: versions.Versioned{
+				Version: "commit-test-latest",
+			},
+		},
+	}, "test-namespace")
+	require.NoError(t, err)
+
+	return ctx
+}