[usage] Fix report to JSON conversion

Author: easyCZ

components/usage/pkg/contentservice/usage_report_test.go

@@ -0,0 +1,62 @@
+// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
+// Licensed under the GNU Affero General Public License (AGPL).
+// See License-AGPL.txt in the project root for license information.
+
+package contentservice
+
+import (
+	"database/sql"
+	"github.com/gitpod-io/gitpod/usage/pkg/db"
+	"github.com/gitpod-io/gitpod/usage/pkg/db/dbtest"
+	"github.com/google/uuid"
+	"testing"
+	"time"
+)
+
+func TestUsageReport_ToJSON(t *testing.T) {
+	instanceForUsage := db.WorkspaceInstanceForUsage{
+		ID:          uuid.New(),
+		WorkspaceID: dbtest.GenerateWorkspaceID(),
+		OwnerID:     uuid.New(),
+		ProjectID: sql.NullString{
+			String: "project-id",
+			Valid:  true,
+		},
+		WorkspaceClass:     "class",
+		Type:               "prebuild",
+		UsageAttributionID: db.NewTeamAttributionID(uuid.New().String()),
+		CreationTime:       db.VarcharTime{},
+		StartedTime:        db.VarcharTime{},
+		StoppingTime:       db.VarcharTime{},
+		StoppedTime:        db.VarcharTime{},
+	}
+	report := UsageReport{
+		GenerationTime: time.Time{},
+		From:           time.Time{},
+		To:             time.Time{},
+		RawSessions: []db.WorkspaceInstanceForUsage{
+			{
+				ID:                 nil,
+				WorkspaceID:        "",
+				OwnerID:            nil,
+				ProjectID:          sql.NullString{},
+				WorkspaceClass:     "",
+				Type:               "",
+				UsageAttributionID: "",
+				CreationTime:       db.VarcharTime{},
+				StartedTime:        db.VarcharTime{},
+				StoppingTime:       db.VarcharTime{},
+				StoppedTime:        db.VarcharTime{},
+			},
+		},
+		InvalidSessions: []InvalidSession{
+			{
+				Reason:  "some-reason",
+				Session: db.WorkspaceInstanceForUsage{},
+			},
+		},
+		UsageRecords: []db.WorkspaceInstanceUsage{
+			dbtest.NewWorkspaceInstanceUsage(t, db.WorkspaceInstanceUsage{}),
+		},
+	}
+}