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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package sqlparse
import (
"testing"
newrelic "github.com/newrelic/go-agent"
"github.com/newrelic/go-agent/internal/crossagent"
)
type sqlTestcase struct {
Input string `json:"input"`
Operation string `json:"operation"`
Table string `json:"table"`
}
func (tc sqlTestcase) test(t *testing.T) {
var segment newrelic.DatastoreSegment
ParseQuery(&segment, tc.Input)
if tc.Operation == "other" {
// Allow for matching of Operation "other" to ""
if segment.Operation != "" {
t.Errorf("operation mismatch query='%s' wanted='%s' got='%s'",
tc.Input, tc.Operation, segment.Operation)
}
} else if segment.Operation != tc.Operation {
t.Errorf("operation mismatch query='%s' wanted='%s' got='%s'",
tc.Input, tc.Operation, segment.Operation)
}
// The Go agent subquery behavior does not match the PHP Agent.
if tc.Table == "(subquery)" {
return
}
if tc.Table != segment.Collection {
t.Errorf("table mismatch query='%s' wanted='%s' got='%s'",
tc.Input, tc.Table, segment.Collection)
}
}
func TestParseSQLCrossAgent(t *testing.T) {
var tcs []sqlTestcase
err := crossagent.ReadJSON("sql_parsing.json", &tcs)
if err != nil {
t.Fatal(err)
}
for _, tc := range tcs {
tc.test(t)
}
}
func TestParseSQLSubQuery(t *testing.T) {
for _, tc := range []sqlTestcase{
{Input: "SELECT * FROM (SELECT * FROM foobar)", Operation: "select", Table: "foobar"},
{Input: "SELECT * FROM (SELECT * FROM foobar) WHERE x > y", Operation: "select", Table: "foobar"},
{Input: "SELECT * FROM(SELECT * FROM foobar) WHERE x > y", Operation: "select", Table: "foobar"},
} {
tc.test(t)
}
}
func TestParseSQLOther(t *testing.T) {
for _, tc := range []sqlTestcase{
// Test that we handle table names enclosed in brackets.
{Input: "SELECT * FROM [foo]", Operation: "select", Table: "foo"},
{Input: "SELECT * FROM[foo]", Operation: "select", Table: "foo"},
{Input: "SELECT * FROM [ foo ]", Operation: "select", Table: "foo"},
{Input: "SELECT * FROM [ 'foo' ]", Operation: "select", Table: "foo"},
{Input: "SELECT * FROM[ `something`.'foo' ]", Operation: "select", Table: "foo"},
// Test that we handle the cheese.
{Input: "SELECT fromage FROM fromagier", Operation: "select", Table: "fromagier"},
} {
tc.test(t)
}
}
func TestParseSQLUpdateExtraKeywords(t *testing.T) {
for _, tc := range []sqlTestcase{
{Input: "update or rollback foo", Operation: "update", Table: "foo"},
{Input: "update only foo", Operation: "update", Table: "foo"},
{Input: "update low_priority ignore{foo}", Operation: "update", Table: "foo"},
} {
tc.test(t)
}
}
func TestLineComment(t *testing.T) {
for _, tc := range []sqlTestcase{
{
Input: `SELECT -- * FROM tricky
* FROM foo`,
Operation: "select",
Table: "foo",
},
{
Input: `SELECT # * FROM tricky
* FROM foo`,
Operation: "select",
Table: "foo",
},
{
Input: ` -- SELECT * FROM tricky
SELECT * FROM foo`,
Operation: "select",
Table: "foo",
},
{
Input: ` # SELECT * FROM tricky
SELECT * FROM foo`,
Operation: "select",
Table: "foo",
},
{
Input: `SELECT * FROM -- tricky
foo`,
Operation: "select",
Table: "foo",
},
} {
tc.test(t)
}
}
func TestSemicolonPrefix(t *testing.T) {
for _, tc := range []sqlTestcase{
{
Input: `;select * from foo`,
Operation: "select",
Table: "foo",
},
{
Input: ` ;; ; select * from foo`,
Operation: "select",
Table: "foo",
},
{
Input: ` ;
SELECT * FROM foo`,
Operation: "select",
Table: "foo",
},
} {
tc.test(t)
}
}
func TestDollarSignTable(t *testing.T) {
for _, tc := range []sqlTestcase{
{
Input: `select * from $dollar_100_$`,
Operation: "select",
Table: "$dollar_100_$",
},
} {
tc.test(t)
}
}
func TestPriorityQuery(t *testing.T) {
// Test that we handle:
// https://dev.mysql.com/doc/refman/8.0/en/insert.html
// INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name
for _, tc := range []sqlTestcase{
{
Input: `INSERT HIGH_PRIORITY INTO employee VALUES('Tom',12345,'Sales',100)`,
Operation: "insert",
Table: "employee",
},
} {
tc.test(t)
}
}
func TestExtractTable(t *testing.T) {
for idx, tc := range []string{
"table",
"`table`",
`"table"`,
"`database.table`",
"`database`.table",
"database.`table`",
"`database`.`table`",
" { table }",
"\n[table]",
"\t ( 'database'.`table` ) ",
} {
table := extractTable(tc)
if table != "table" {
t.Error(idx, table)
}
}
}
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