552 lines
12 KiB
Go
552 lines
12 KiB
Go
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package db_test
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import (
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"testing"
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"git.bit5.ru/backend/db"
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"git.bit5.ru/backend/errors"
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"game/autogen"
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"game/dbmeta"
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"game/dbshrd"
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"game/env"
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"game/tests"
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"game/util"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func getDBC() *db.DBC {
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g := tests.Globs()
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dbc := db.GetDBC(g.Logger, g.Settings.DB_MAIN)
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return dbc
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}
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func TestDefaultClientCharsetAndCollation(t *testing.T) {
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dbc := getDBC()
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defer dbc.Close()
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var result = make(map[string]string)
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characterSets, err := dbc.DB().Query("show variables where Variable_name in ('character_set_client', 'character_set_connection', 'character_set_results');")
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assert.Nil(t, err)
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for characterSets.Next() {
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var variableName string
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var value string
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characterSets.Scan(&variableName, &value)
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result[variableName] = value
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}
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collations, err := dbc.DB().Query("show variables where Variable_name = 'collation_connection';")
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assert.Nil(t, err)
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for collations.Next() {
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var variableName string
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var value string
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collations.Scan(&variableName, &value)
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result[variableName] = value
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}
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assert.Equal(t, "utf8", result["character_set_client"])
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assert.Equal(t, "utf8", result["character_set_connection"])
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assert.Equal(t, "utf8", result["character_set_results"])
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assert.Equal(t, "utf8_general_ci", result["collation_connection"])
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}
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func TestClientCharsetAndCollation(t *testing.T) {
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g := tests.Globs()
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DSNWithLatinCollation := g.Settings.DB_MAIN
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DSNWithLatinCollation.Params = "?collation=latin1_swedish_ci"
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var resultsLatin1 = make(map[string]string)
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dbLatin1 := db.GetDBC(g.Logger, DSNWithLatinCollation)
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defer dbLatin1.Close()
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characterSets, err := dbLatin1.DB().Query("show variables where Variable_name in ('character_set_client', 'character_set_connection', 'character_set_results');")
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assert.Nil(t, err)
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for characterSets.Next() {
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var variableName string
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var value string
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characterSets.Scan(&variableName, &value)
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resultsLatin1[variableName] = value
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}
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collations, err := dbLatin1.DB().Query("show variables where Variable_name = 'collation_connection';")
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assert.Nil(t, err)
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for collations.Next() {
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var variableName string
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var value string
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collations.Scan(&variableName, &value)
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resultsLatin1[variableName] = value
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}
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assert.Equal(t, "latin1", resultsLatin1["character_set_client"])
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assert.Equal(t, "latin1", resultsLatin1["character_set_connection"])
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assert.Equal(t, "latin1", resultsLatin1["character_set_results"])
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assert.Equal(t, "latin1_swedish_ci", resultsLatin1["collation_connection"])
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}
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func TestCloseConn(t *testing.T) {
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dbc := getDBC()
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defer dbc.Close()
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var res int
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err := dbc.SelectBySQL("SELECT 1").LoadValue(&res)
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assert.Nil(t, err)
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assert.EqualValues(t, 1, res)
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assert.True(t, dbc.IsOpen())
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dbc.Close()
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assert.False(t, dbc.IsOpen())
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//connection is automatically restored
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err = dbc.SelectBySQL("SELECT 1").LoadValue(&res)
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assert.True(t, dbc.IsOpen())
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assert.Nil(t, err)
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assert.EqualValues(t, 1, res)
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}
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func TestDoubleCloseConnIsOk(t *testing.T) {
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dbc := getDBC()
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defer dbc.Close()
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var res int
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err := dbc.SelectBySQL("SELECT 1").LoadValue(&res)
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assert.Nil(t, err)
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assert.EqualValues(t, 1, res)
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assert.True(t, dbc.IsOpen())
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dbc.Close()
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assert.False(t, dbc.IsOpen())
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//connection is automatically restored
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err = dbc.SelectBySQL("SELECT 1").LoadValue(&res)
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assert.True(t, dbc.IsOpen())
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assert.Nil(t, err)
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assert.EqualValues(t, 1, res)
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dbc.Close()
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assert.False(t, dbc.IsOpen())
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//connection is automatically restored
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err = dbc.SelectBySQL("SELECT 1").LoadValue(&res)
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assert.True(t, dbc.IsOpen())
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assert.Nil(t, err)
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assert.EqualValues(t, 1, res)
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}
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func createFooTable(t *testing.T) {
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dbc := getDBC()
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defer dbc.Close()
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_, err := dbc.DB().Exec("DROP TABLE IF EXISTS foo")
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assert.Nil(t, err)
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_, err = dbc.DB().Exec("CREATE TABLE IF NOT EXISTS foo(id int not null)")
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assert.Nil(t, err)
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}
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func TestTransactionCommit(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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assert.Nil(t, dbc.Begin())
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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//let's try a fresh connection
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc1))
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assert.EqualValues(t, 2, countFoos(t, dbc))
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dbc.Commit()
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assert.EqualValues(t, 2, countFoos(t, dbc))
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 2, countFoos(t, dbc2))
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}
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func TestTransactionCommitNestedAllOk(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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//begin 1
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assert.Nil(t, dbc.Begin())
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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//let's try a fresh connection
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc1))
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//begin 2
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assert.Nil(t, dbc.Begin())
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(3)").Exec()
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//commit 2
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dbc.Commit()
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assert.EqualValues(t, 3, countFoos(t, dbc))
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc2))
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//commit 1
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dbc.Commit()
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assert.EqualValues(t, 3, countFoos(t, dbc))
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//let's try a fresh connection
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db3 := getDBC()
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defer db3.Close()
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assert.EqualValues(t, 3, countFoos(t, db3))
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}
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func TestTransactionCommitNestedRollback(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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//begin 1
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assert.Nil(t, dbc.Begin())
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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//let's try a fresh connection
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc1))
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//begin 2
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assert.Nil(t, dbc.Begin())
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(3)").Exec()
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//rollback 2
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dbc.Rollback()
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//rollback above doesn't have an effect since we are in the
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//nested transaction
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assert.EqualValues(t, 3, countFoos(t, dbc))
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc2))
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//rollback 1
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dbc.Rollback()
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assert.EqualValues(t, 0, countFoos(t, dbc))
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//let's try a fresh connection
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db3 := getDBC()
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defer db3.Close()
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assert.EqualValues(t, 0, countFoos(t, db3))
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}
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func TestTransactionRollbackOnDeferAllOK(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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fn := func() {
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dbc.Begin()
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defer dbc.RollbackOnDefer()
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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assert.EqualValues(t, 2, countFoos(t, dbc))
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fnNested := func() {
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dbc.Begin()
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defer dbc.RollbackOnDefer()
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(3)").Exec()
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assert.EqualValues(t, 3, countFoos(t, dbc))
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dbc.Commit()
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}
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fnNested()
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dbc.Commit()
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}
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fn()
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 3, countFoos(t, dbc1))
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}
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func TestTransactionRollbackOnDefer(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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fn := func() {
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dbc.Begin()
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defer dbc.RollbackOnDefer()
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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assert.EqualValues(t, 2, countFoos(t, dbc))
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fnNested := func() {
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dbc.Begin()
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defer dbc.RollbackOnDefer()
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dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(3)").Exec()
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assert.EqualValues(t, 3, countFoos(t, dbc))
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//commit is missing for some reason, emulating error
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//dbc.Commit()
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}
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fnNested()
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//commit is missing for some reason, emulating error
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//dbc.Commit()
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}
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fn()
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc1))
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}
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func TestTransaction(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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assert.Nil(t, dbc.Transaction(func(dbs *db.DBC) error {
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dbs.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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//let's try a fresh connection
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dbc1 := getDBC()
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defer dbc1.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc1))
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assert.EqualValues(t, 2, countFoos(t, dbc))
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return nil
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}))
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 2, countFoos(t, dbc2))
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}
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func TestTransactionRollbackOnError(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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err := dbc.Transaction(func(dbs *db.DBC) error {
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dbs.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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assert.EqualValues(t, 2, countFoos(t, dbc))
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return errors.New("Opps")
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})
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assert.EqualValues(t, "Opps", err.Error())
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc2))
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}
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func TestTransactionRollbackOnPanic(t *testing.T) {
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createFooTable(t)
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dbc := getDBC()
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defer dbc.Close()
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defer func() {
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if r := recover(); r != nil {
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str := r.(string)
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assert.EqualValues(t, str, "Ooops")
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//let's try a fresh connection
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dbc2 := getDBC()
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defer dbc2.Close()
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assert.EqualValues(t, 0, countFoos(t, dbc2))
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}
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}()
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dbc.Transaction(func(dbs *db.DBC) error {
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dbs.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
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|
assert.EqualValues(t, 2, countFoos(t, dbc))
|
||
|
|
panic("Ooops")
|
||
|
|
return nil
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func countFoos(t *testing.T, dbc *db.DBC) int {
|
||
|
|
var res int
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
return res
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTransactionRollback(t *testing.T) {
|
||
|
|
createFooTable(t)
|
||
|
|
|
||
|
|
dbc := getDBC()
|
||
|
|
defer dbc.Close()
|
||
|
|
assert.Nil(t, dbc.Begin())
|
||
|
|
{
|
||
|
|
_, err := dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1),(2)").Exec()
|
||
|
|
assert.Nil(t, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
var res int
|
||
|
|
{
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 2, res)
|
||
|
|
}
|
||
|
|
dbc.Rollback()
|
||
|
|
|
||
|
|
{
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 0, res)
|
||
|
|
}
|
||
|
|
|
||
|
|
//let's try a fresh connection
|
||
|
|
dbc2 := getDBC()
|
||
|
|
defer dbc2.Close()
|
||
|
|
{
|
||
|
|
err := dbc2.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 0, res)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTransactionNestedRollback(t *testing.T) {
|
||
|
|
createFooTable(t)
|
||
|
|
|
||
|
|
dbc := getDBC()
|
||
|
|
defer dbc.Close()
|
||
|
|
//begin 1
|
||
|
|
assert.Nil(t, dbc.Begin())
|
||
|
|
{
|
||
|
|
_, err := dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1)").Exec()
|
||
|
|
assert.Nil(t, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
var res int
|
||
|
|
{
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 1, res)
|
||
|
|
}
|
||
|
|
|
||
|
|
//begin 2
|
||
|
|
assert.Nil(t, dbc.Begin())
|
||
|
|
{
|
||
|
|
_, err := dbc.UpdateBySQL("INSERT INTO foo(id) VALUES(1)").Exec()
|
||
|
|
assert.Nil(t, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
//no real rollback happens here since we are in a 'bigger' transaction
|
||
|
|
//rollback 2
|
||
|
|
dbc.Rollback()
|
||
|
|
{
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 2, res)
|
||
|
|
}
|
||
|
|
|
||
|
|
//rollback 1
|
||
|
|
dbc.Rollback()
|
||
|
|
|
||
|
|
{
|
||
|
|
err := dbc.SelectBySQL("SELECT COUNT(id) FROM foo").LoadValue(&res)
|
||
|
|
assert.Nil(t, err)
|
||
|
|
assert.EqualValues(t, 0, res)
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func makePlayers(t *testing.T, env *env.Env, amount int) []uint32 {
|
||
|
|
var players []uint32
|
||
|
|
mainDb := env.MainDb()
|
||
|
|
|
||
|
|
for i := 0; i < amount; i++ {
|
||
|
|
shardPlayer, err := dbshrd.CreateShardPlayer(env.Settings.DB_SHARDS, mainDb, 1)
|
||
|
|
require.NoError(t, err)
|
||
|
|
players = append(players, shardPlayer.Id)
|
||
|
|
}
|
||
|
|
|
||
|
|
//Note: There is only one test shard db, so the shard id = 1 for all players
|
||
|
|
shardDb, err := dbshrd.GetShardDb(env.Logger, env.Settings.DB_SHARDS, 1)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.NotNil(t, shardDb)
|
||
|
|
defer shardDb.Close()
|
||
|
|
|
||
|
|
for i := 0; i < len(players); i++ {
|
||
|
|
player := autogen.NewDataPlayer()
|
||
|
|
player.Id = players[i]
|
||
|
|
err = dbmeta.SaveRow(shardDb, player)
|
||
|
|
require.NoError(t, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return players
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSelectBySQLWithChunkedIN(t *testing.T) {
|
||
|
|
env := tests.NewEnvCleanStorage()
|
||
|
|
defer env.Close()
|
||
|
|
|
||
|
|
//Note: There is only one test shard db, so the shard id = 1 for all players
|
||
|
|
shardDb, err := dbshrd.GetShardDb(env.Logger, env.Settings.DB_SHARDS, 1)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.NotNil(t, shardDb)
|
||
|
|
defer shardDb.Close()
|
||
|
|
|
||
|
|
var playersAmount = 100
|
||
|
|
var playerIds []uint32
|
||
|
|
playerIds = makePlayers(t, env, playersAmount)
|
||
|
|
|
||
|
|
for chunkSizeForIN := 1; chunkSizeForIN <= 101; chunkSizeForIN++ {
|
||
|
|
var totalIds []uint32
|
||
|
|
fullChunksAmount := playersAmount / chunkSizeForIN
|
||
|
|
modulo := playersAmount % chunkSizeForIN
|
||
|
|
sql := "SELECT id FROM player WHERE 1 = ? AND id IN ? AND 2 = ?"
|
||
|
|
builders := shardDb.SelectBySQLWithChunkedIN(sql, chunkSizeForIN, 1, playerIds, 2)
|
||
|
|
|
||
|
|
require.Len(t, builders, fullChunksAmount+util.BoolToInt(modulo > 0))
|
||
|
|
|
||
|
|
for queryIndex, builder := range builders {
|
||
|
|
var queryIds []uint32
|
||
|
|
_, err := builder.LoadValues(&queryIds)
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.NotNil(t, queryIds)
|
||
|
|
totalIds = append(totalIds, queryIds...)
|
||
|
|
|
||
|
|
if queryIndex < fullChunksAmount {
|
||
|
|
require.Len(t, queryIds, chunkSizeForIN)
|
||
|
|
} else {
|
||
|
|
require.Len(t, queryIds, modulo)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
require.Len(t, totalIds, playersAmount)
|
||
|
|
}
|
||
|
|
}
|