Function TestBuildChildGraphQLQuery

core/multidb_test.go:608–715

TestBuildChildGraphQLQuery tests construction of GraphQL sub-queries for cross-database child table fetching.

(t *testing.T)

// TestBuildChildGraphQLQuery tests construction of GraphQL sub-queries
// for cross-database child table fetching.
func TestBuildChildGraphQLQuery(t *testing.T) {
	tests := []struct {
		name     string
		sel      *qcode.Select
		selects  []qcode.Select
		fkCol    sdata.DBColumn
		parentID []byte
		want     string
	}{
		{
			name: "simple numeric parent ID",
			sel: &qcode.Select{
				Table: "orders",
				Fields: []qcode.Field{
					{FieldName: "id"},
					{FieldName: "total"},
				},
			},
			selects:  []qcode.Select{},
			fkCol:    sdata.DBColumn{Name: "user_id", Type: "bigint"},
			parentID: []byte("42"),
			want:     "query { orders(where: {user_id: {eq: 42}}) { id total } }",
		},
		{
			name: "string parent ID (quoted)",
			sel: &qcode.Select{
				Table: "orders",
				Fields: []qcode.Field{
					{FieldName: "id"},
					{FieldName: "total"},
				},
			},
			selects:  []qcode.Select{},
			fkCol:    sdata.DBColumn{Name: "user_id", Type: "bigint"},
			parentID: []byte(`"abc"`),
			want:     `query { orders(where: {user_id: {eq: "abc"}}) { id total } }`,
		},
		{
			name: "with nested children",
			sel: &qcode.Select{
				Field: qcode.Field{ID: 0},
				Table: "orders",
				Fields: []qcode.Field{
					{FieldName: "id"},
					{FieldName: "total"},
				},
				Children: []int32{1},
			},
			selects: []qcode.Select{
				{}, // placeholder for index 0 (the parent sel itself)
				{
					Field: qcode.Field{
						FieldName:  "items",
						SkipRender: qcode.SkipTypeNone,
					},
					Table: "items",
					Fields: []qcode.Field{
						{FieldName: "name"},