added GetDomains test

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>

integration_tests/management/network_map_db/pgsql/domain_test.go

@@ -0,0 +1,40 @@
+package networkmap_pgsql
+
+import (
+	"context"
+	"database/sql"
+	"testing"
+
+	networkmap_pgsql "github.com/netbirdio/netbird/management/internals/network_map_db/pgsql"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetDomains(t *testing.T) {
+	ctx := context.TODO()
+
+	_, err := pgstore.Pool.Query(ctx,
+		`insert into domains (id, account_id, domain, target_cluster)
+		VALUES('domain-1','account-1','test-1.com','target-1.cluster.local')`)
+	assert.NoError(t, err)
+	_, err = pgstore.Pool.Query(ctx,
+		`insert into domains (id, account_id, domain, target_cluster)
+		VALUES('domain-2','account-1','test-2.com','target-2.cluster.local')`)
+	assert.NoError(t, err)
+	_, err = pgstore.Pool.Query(ctx,
+		`insert into domains (id, account_id, domain, target_cluster)
+		VALUES('domain-3','account-1',null,null)`)
+	assert.NoError(t, err)
+
+	domains, err := pgstore.GetDomains(ctx, "account-1")
+	assert.NoError(t, err)
+	assert.Len(t, domains, 2)
+
+	assert.Contains(t, domains, networkmap_pgsql.Domain{
+		Domain:        sql.NullString{String: "test-1.com", Valid: true},
+		TargetCluster: sql.NullString{String: "target-1.cluster.local", Valid: true},
+	})
+	assert.Contains(t, domains, networkmap_pgsql.Domain{
+		Domain:        sql.NullString{String: "test-2.com", Valid: true},
+		TargetCluster: sql.NullString{String: "target-2.cluster.local", Valid: true},
+	})
+}