diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_go18_test.go | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_go18_test.go b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_go18_test.go new file mode 100644 index 0000000..8c8c451 --- /dev/null +++ b/dependencies/pkg/mod/github.com/mattn/go-sqlite3@v1.14.16/sqlite3_go18_test.go @@ -0,0 +1,503 @@ +// Copyright (C) 2019 Yasuhiro Matsumoto <mattn.jp@gmail.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +// +build go1.8,cgo + +package sqlite3 + +import ( + "context" + "database/sql" + "fmt" + "io/ioutil" + "math/rand" + "os" + "sync" + "testing" + "time" +) + +func TestNamedParams(t *testing.T) { + tempFilename := TempFilename(t) + defer os.Remove(tempFilename) + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("Failed to open database:", err) + } + defer db.Close() + + _, err = db.Exec(` + create table foo (id integer, name text, extra text); + `) + if err != nil { + t.Error("Failed to call db.Query:", err) + } + + _, err = db.Exec(`insert into foo(id, name, extra) values(:id, :name, :name)`, sql.Named("name", "foo"), sql.Named("id", 1)) + if err != nil { + t.Error("Failed to call db.Exec:", err) + } + + row := db.QueryRow(`select id, extra from foo where id = :id and extra = :extra`, sql.Named("id", 1), sql.Named("extra", "foo")) + if row == nil { + t.Error("Failed to call db.QueryRow") + } + var id int + var extra string + err = row.Scan(&id, &extra) + if err != nil { + t.Error("Failed to db.Scan:", err) + } + if id != 1 || extra != "foo" { + t.Error("Failed to db.QueryRow: not matched results") + } +} + +var ( + testTableStatements = []string{ + `DROP TABLE IF EXISTS test_table`, + ` +CREATE TABLE IF NOT EXISTS test_table ( + key1 VARCHAR(64) PRIMARY KEY, + key_id VARCHAR(64) NOT NULL, + key2 VARCHAR(64) NOT NULL, + key3 VARCHAR(64) NOT NULL, + key4 VARCHAR(64) NOT NULL, + key5 VARCHAR(64) NOT NULL, + key6 VARCHAR(64) NOT NULL, + data BLOB NOT NULL +);`, + } + letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" +) + +func randStringBytes(n int) string { + b := make([]byte, n) + for i := range b { + b[i] = letterBytes[rand.Intn(len(letterBytes))] + } + return string(b) +} + +func initDatabase(t *testing.T, db *sql.DB, rowCount int64) { + for _, query := range testTableStatements { + _, err := db.Exec(query) + if err != nil { + t.Fatal(err) + } + } + for i := int64(0); i < rowCount; i++ { + query := `INSERT INTO test_table + (key1, key_id, key2, key3, key4, key5, key6, data) + VALUES + (?, ?, ?, ?, ?, ?, ?, ?);` + args := []interface{}{ + randStringBytes(50), + fmt.Sprint(i), + randStringBytes(50), + randStringBytes(50), + randStringBytes(50), + randStringBytes(50), + randStringBytes(50), + randStringBytes(50), + randStringBytes(2048), + } + _, err := db.Exec(query, args...) + if err != nil { + t.Fatal(err) + } + } +} + +func TestShortTimeout(t *testing.T) { + srcTempFilename := TempFilename(t) + defer os.Remove(srcTempFilename) + + db, err := sql.Open("sqlite3", srcTempFilename) + if err != nil { + t.Fatal(err) + } + defer db.Close() + initDatabase(t, db, 100) + + ctx, cancel := context.WithTimeout(context.Background(), 1*time.Microsecond) + defer cancel() + query := `SELECT key1, key_id, key2, key3, key4, key5, key6, data + FROM test_table + ORDER BY key2 ASC` + _, err = db.QueryContext(ctx, query) + if err != nil && err != context.DeadlineExceeded { + t.Fatal(err) + } + if ctx.Err() != nil && ctx.Err() != context.DeadlineExceeded { + t.Fatal(ctx.Err()) + } +} + +func TestExecContextCancel(t *testing.T) { + srcTempFilename := TempFilename(t) + defer os.Remove(srcTempFilename) + + db, err := sql.Open("sqlite3", srcTempFilename) + if err != nil { + t.Fatal(err) + } + + defer db.Close() + + ts := time.Now() + initDatabase(t, db, 1000) + spent := time.Since(ts) + const minTestTime = 100 * time.Millisecond + if spent < minTestTime { + t.Skipf("test will be too racy (spent=%s < min=%s) as ExecContext below will be too fast.", + spent.String(), minTestTime.String(), + ) + } + + // expected to be extremely slow query + q := ` +INSERT INTO test_table (key1, key_id, key2, key3, key4, key5, key6, data) +SELECT t1.key1 || t2.key1, t1.key_id || t2.key_id, t1.key2 || t2.key2, t1.key3 || t2.key3, t1.key4 || t2.key4, t1.key5 || t2.key5, t1.key6 || t2.key6, t1.data || t2.data +FROM test_table t1 LEFT OUTER JOIN test_table t2` + // expect query above take ~ same time as setup above + // This is racy: the context must be valid so sql/db.ExecContext calls the sqlite3 driver. + // It starts the query, the context expires, then calls sqlite3_interrupt + ctx, cancel := context.WithTimeout(context.Background(), minTestTime/2) + defer cancel() + ts = time.Now() + r, err := db.ExecContext(ctx, q) + // racy check + if r != nil { + n, err := r.RowsAffected() + t.Logf("query should not have succeeded: rows=%d; err=%v; duration=%s", + n, err, time.Since(ts).String()) + } + if err != context.DeadlineExceeded { + t.Fatal(err, ctx.Err()) + } +} + +func TestQueryRowContextCancel(t *testing.T) { + srcTempFilename := TempFilename(t) + defer os.Remove(srcTempFilename) + + db, err := sql.Open("sqlite3", srcTempFilename) + if err != nil { + t.Fatal(err) + } + defer db.Close() + initDatabase(t, db, 100) + + const query = `SELECT key_id FROM test_table ORDER BY key2 ASC` + var keyID string + unexpectedErrors := make(map[string]int) + for i := 0; i < 10000; i++ { + ctx, cancel := context.WithCancel(context.Background()) + row := db.QueryRowContext(ctx, query) + + cancel() + // it is fine to get "nil" as context cancellation can be handled with delay + if err := row.Scan(&keyID); err != nil && err != context.Canceled { + if err.Error() == "sql: Rows are closed" { + // see https://github.com/golang/go/issues/24431 + // fixed in 1.11.1 to properly return context error + continue + } + unexpectedErrors[err.Error()]++ + } + } + for errText, count := range unexpectedErrors { + t.Error(errText, count) + } +} + +func TestQueryRowContextCancelParallel(t *testing.T) { + srcTempFilename := TempFilename(t) + defer os.Remove(srcTempFilename) + + db, err := sql.Open("sqlite3", srcTempFilename) + if err != nil { + t.Fatal(err) + } + db.SetMaxOpenConns(10) + db.SetMaxIdleConns(5) + + defer db.Close() + initDatabase(t, db, 100) + + const query = `SELECT key_id FROM test_table ORDER BY key2 ASC` + wg := sync.WaitGroup{} + defer wg.Wait() + + testCtx, cancel := context.WithCancel(context.Background()) + defer cancel() + + for i := 0; i < 10; i++ { + wg.Add(1) + go func() { + defer wg.Done() + + var keyID string + for { + select { + case <-testCtx.Done(): + return + default: + } + ctx, cancel := context.WithCancel(context.Background()) + row := db.QueryRowContext(ctx, query) + + cancel() + _ = row.Scan(&keyID) // see TestQueryRowContextCancel + } + }() + } + + var keyID string + for i := 0; i < 10000; i++ { + // note that testCtx is not cancelled during query execution + row := db.QueryRowContext(testCtx, query) + + if err := row.Scan(&keyID); err != nil { + t.Fatal(i, err) + } + } +} + +func TestExecCancel(t *testing.T) { + db, err := sql.Open("sqlite3", ":memory:") + if err != nil { + t.Fatal(err) + } + defer db.Close() + + if _, err = db.Exec("create table foo (id integer primary key)"); err != nil { + t.Fatal(err) + } + + for n := 0; n < 100; n++ { + ctx, cancel := context.WithCancel(context.Background()) + _, err = db.ExecContext(ctx, "insert into foo (id) values (?)", n) + cancel() + if err != nil { + t.Fatal(err) + } + } +} + +func doTestOpenContext(t *testing.T, option string) (string, error) { + tempFilename := TempFilename(t) + url := tempFilename + option + + defer func() { + err := os.Remove(tempFilename) + if err != nil { + t.Error("temp file remove error:", err) + } + }() + + db, err := sql.Open("sqlite3", url) + if err != nil { + return "Failed to open database:", err + } + + defer func() { + err = db.Close() + if err != nil { + t.Error("db close error:", err) + } + }() + + ctx, cancel := context.WithTimeout(context.Background(), 55*time.Second) + err = db.PingContext(ctx) + cancel() + if err != nil { + return "ping error:", err + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "drop table foo") + cancel() + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "create table foo (id integer)") + cancel() + if err != nil { + return "Failed to create table:", err + } + + if stat, err := os.Stat(tempFilename); err != nil || stat.IsDir() { + return "Failed to create ./foo.db", nil + } + + return "", nil +} + +func TestOpenContext(t *testing.T) { + cases := map[string]bool{ + "": true, + "?_txlock=immediate": true, + "?_txlock=deferred": true, + "?_txlock=exclusive": true, + "?_txlock=bogus": false, + } + for option, expectedPass := range cases { + result, err := doTestOpenContext(t, option) + if result == "" { + if !expectedPass { + errmsg := fmt.Sprintf("_txlock error not caught at dbOpen with option: %s", option) + t.Fatal(errmsg) + } + } else if expectedPass { + if err == nil { + t.Fatal(result) + } else { + t.Fatal(result, err) + } + } + } +} + +func TestFileCopyTruncate(t *testing.T) { + var err error + tempFilename := TempFilename(t) + + defer func() { + err = os.Remove(tempFilename) + if err != nil { + t.Error("temp file remove error:", err) + } + }() + + db, err := sql.Open("sqlite3", tempFilename) + if err != nil { + t.Fatal("open error:", err) + } + + defer func() { + err = db.Close() + if err != nil { + t.Error("db close error:", err) + } + }() + + ctx, cancel := context.WithTimeout(context.Background(), 55*time.Second) + err = db.PingContext(ctx) + cancel() + if err != nil { + t.Fatal("ping error:", err) + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "drop table foo") + cancel() + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "create table foo (id integer)") + cancel() + if err != nil { + t.Fatal("create table error:", err) + } + + // copy db to new file + var data []byte + data, err = ioutil.ReadFile(tempFilename) + if err != nil { + t.Fatal("read file error:", err) + } + + var f *os.File + f, err = os.Create(tempFilename + "-db-copy") + if err != nil { + t.Fatal("create file error:", err) + } + + defer func() { + err = os.Remove(tempFilename + "-db-copy") + if err != nil { + t.Error("temp file moved remove error:", err) + } + }() + + _, err = f.Write(data) + if err != nil { + f.Close() + t.Fatal("write file error:", err) + } + err = f.Close() + if err != nil { + t.Fatal("close file error:", err) + } + + // truncate current db file + f, err = os.OpenFile(tempFilename, os.O_WRONLY|os.O_TRUNC, 0666) + if err != nil { + t.Fatal("open file error:", err) + } + err = f.Close() + if err != nil { + t.Fatal("close file error:", err) + } + + // test db after file truncate + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + err = db.PingContext(ctx) + cancel() + if err != nil { + t.Fatal("ping error:", err) + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "drop table foo") + cancel() + if err == nil { + t.Fatal("drop table no error") + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "create table foo (id integer)") + cancel() + if err != nil { + t.Fatal("create table error:", err) + } + + err = db.Close() + if err != nil { + t.Error("db close error:", err) + } + + // test copied file + db, err = sql.Open("sqlite3", tempFilename+"-db-copy") + if err != nil { + t.Fatal("open error:", err) + } + + defer func() { + err = db.Close() + if err != nil { + t.Error("db close error:", err) + } + }() + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + err = db.PingContext(ctx) + cancel() + if err != nil { + t.Fatal("ping error:", err) + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "drop table foo") + cancel() + if err != nil { + t.Fatal("drop table error:", err) + } + + ctx, cancel = context.WithTimeout(context.Background(), 55*time.Second) + _, err = db.ExecContext(ctx, "create table foo (id integer)") + cancel() + if err != nil { + t.Fatal("create table error:", err) + } +} |