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85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package parser_test
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import (
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"testing"
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"github.com/chaisql/chai/internal/expr"
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"github.com/chaisql/chai/internal/query/statement"
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"github.com/chaisql/chai/internal/sql/parser"
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"github.com/chaisql/chai/internal/stream"
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"github.com/chaisql/chai/internal/stream/path"
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"github.com/chaisql/chai/internal/stream/rows"
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"github.com/chaisql/chai/internal/stream/table"
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"github.com/chaisql/chai/internal/testutil"
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"github.com/stretchr/testify/require"
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)
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func TestParserUpdate(t *testing.T) {
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db, tx, cleanup := testutil.NewTestTx(t)
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defer cleanup()
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testutil.MustExec(t, db, tx, "CREATE TABLE test(pk INT PRIMARY KEY, a INT, b TEXT)")
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parseExpr := func(s string, table ...string) expr.Expr {
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e := parser.MustParseExpr(s)
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tb := "test"
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if len(table) > 0 {
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tb = table[0]
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}
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err := statement.BindExpr(&statement.Context{DB: db, Conn: tx.Connection()}, tb, e)
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require.NoError(t, err)
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return e
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}
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tests := []struct {
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name string
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s string
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expected *stream.Stream
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errored bool
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}{
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{"SET/No cond", "UPDATE test SET a = 1",
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stream.New(table.Scan("test")).
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Pipe(path.Set("a", testutil.IntegerValue(1))).
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Pipe(table.Validate("test")).
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Pipe(table.Replace("test")).
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Pipe(stream.Discard()),
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false,
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},
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{"SET/With cond", "UPDATE test SET a = 1, b = 2 WHERE a = 10",
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stream.New(table.Scan("test")).
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Pipe(rows.Filter(parseExpr("a = 10"))).
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Pipe(path.Set("a", testutil.IntegerValue(1))).
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Pipe(path.Set("b", parseExpr("2"))).
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Pipe(table.Validate("test")).
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Pipe(table.Replace("test")).
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Pipe(stream.Discard()),
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false,
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},
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{"Trailing comma", "UPDATE test SET a = 1, WHERE a = 10", nil, true},
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{"No SET", "UPDATE test WHERE a = 10", nil, true},
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{"No pair", "UPDATE test SET WHERE a = 10", nil, true},
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{"query.Field only", "UPDATE test SET a WHERE a = 10", nil, true},
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{"No value", "UPDATE test SET a = WHERE a = 10", nil, true},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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stmts, err := parser.ParseQuery(test.s)
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if test.errored {
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require.Error(t, err)
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return
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}
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require.NoError(t, err)
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stmt, err := stmts[0].(statement.Preparer).Prepare(&statement.Context{
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DB: db,
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Conn: tx.Connection(),
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})
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require.NoError(t, err)
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require.Len(t, stmts, 1)
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require.EqualValues(t, test.expected.String(), stmt.(*statement.UpdateStmt).Stream.String())
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})
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}
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}
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