wehub-resource-sync
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
// Copyright 2020 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sqle
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import (
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"context"
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"io"
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"testing"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/dolthub/dolt/go/libraries/doltcore/dtestutils"
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"github.com/dolthub/dolt/go/libraries/doltcore/env"
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"github.com/dolthub/dolt/go/libraries/doltcore/table/editor"
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)
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// Not an exhaustive test of views -- we rely on bats tests for end-to-end verification.
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func TestViews(t *testing.T) {
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ctx := context.Background()
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dEnv := dtestutils.CreateTestEnv()
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defer dEnv.Close()
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var err error
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_, err = ExecuteSql(ctx, dEnv, "create table test (a int primary key)")
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require.NoError(t, err)
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_, err = ExecuteSql(ctx, dEnv, "insert into test values (1), (2), (3)")
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require.NoError(t, err)
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_, err = ExecuteSql(ctx, dEnv, "create view plus1 as select a + 1 from test")
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require.NoError(t, err)
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expectedRows := []sql.Row{
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{int64(2)},
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{int64(3)},
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{int64(4)},
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}
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rows, _, err := executeSelect(t, ctx, dEnv, "select * from plus1")
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require.NoError(t, err)
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assert.Equal(t, expectedRows, rows)
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_, err = ExecuteSql(ctx, dEnv, "drop view plus1")
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require.NoError(t, err)
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}
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// Runs the query given and returns the result. The schema result of the query's execution is currently ignored, and
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// the targetSchema given is used to prepare all rows.
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func executeSelect(t *testing.T, ctx context.Context, dEnv *env.DoltEnv, query string) ([]sql.Row, sql.Schema, error) {
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db, err := NewDatabase(ctx, "dolt", dEnv.DbData(ctx), editor.Options{})
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require.NoError(t, err)
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engine, sqlCtx, err := NewTestEngine(dEnv, ctx, db)
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if err != nil {
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return nil, nil, err
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}
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sch, iter, _, err := engine.Query(sqlCtx, query)
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if err != nil {
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return nil, nil, err
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}
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sqlRows := make([]sql.Row, 0)
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var r sql.Row
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for r, err = iter.Next(sqlCtx); err == nil; r, err = iter.Next(sqlCtx) {
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sqlRows = append(sqlRows, r)
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}
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if err != io.EOF {
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return nil, nil, err
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}
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return sqlRows, sch, nil
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}
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