path: root/swarm/shed/schema_test.go

// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package shed

import (
    "bytes"
    "testing"
)

// TestDB_schemaFieldKey validates correctness of schemaFieldKey.
func TestDB_schemaFieldKey(t *testing.T) {
    db, cleanupFunc := newTestDB(t)
    defer cleanupFunc()

    t.Run("empty name or type", func(t *testing.T) {
        _, err := db.schemaFieldKey("", "")
        if err == nil {
            t.Errorf("error not returned, but expected")
        }
        _, err = db.schemaFieldKey("", "type")
        if err == nil {
            t.Errorf("error not returned, but expected")
        }

        _, err = db.schemaFieldKey("test", "")
        if err == nil {
            t.Errorf("error not returned, but expected")
        }
    })

    t.Run("same field", func(t *testing.T) {
        key1, err := db.schemaFieldKey("test", "undefined")
        if err != nil {
            t.Fatal(err)
        }

        key2, err := db.schemaFieldKey("test", "undefined")
        if err != nil {
            t.Fatal(err)
        }

        if !bytes.Equal(key1, key2) {
            t.Errorf("schema keys for the same field name are not the same: %q, %q", string(key1), string(key2))
        }
    })

    t.Run("different fields", func(t *testing.T) {
        key1, err := db.schemaFieldKey("test1", "undefined")
        if err != nil {
            t.Fatal(err)
        }

        key2, err := db.schemaFieldKey("test2", "undefined")
        if err != nil {
            t.Fatal(err)
        }

        if bytes.Equal(key1, key2) {
            t.Error("schema keys for the same field name are the same, but must not be")
        }
    })

    t.Run("same field name different types", func(t *testing.T) {
        _, err := db.schemaFieldKey("the-field", "one-type")
        if err != nil {
            t.Fatal(err)
        }

        _, err = db.schemaFieldKey("the-field", "another-type")
        if err == nil {
            t.Errorf("error not returned, but expected")
        }
    })
}

// TestDB_schemaIndexPrefix validates correctness of schemaIndexPrefix.
func TestDB_schemaIndexPrefix(t *testing.T) {
    db, cleanupFunc := newTestDB(t)
    defer cleanupFunc()

    t.Run("same name", func(t *testing.T) {
        id1, err := db.schemaIndexPrefix("test")
        if err != nil {
            t.Fatal(err)
        }

        id2, err := db.schemaIndexPrefix("test")
        if err != nil {
            t.Fatal(err)
        }

        if id1 != id2 {
            t.Errorf("schema keys for the same field name are not the same: %v, %v", id1, id2)
        }
    })

    t.Run("different names", func(t *testing.T) {
        id1, err := db.schemaIndexPrefix("test1")
        if err != nil {
            t.Fatal(err)
        }

        id2, err := db.schemaIndexPrefix("test2")
        if err != nil {
            t.Fatal(err)
        }

        if id1 == id2 {
            t.Error("schema ids for the same index name are the same, but must not be")
        }
    })
}