(t *testing.T)
| 26 | ) |
| 27 | |
| 28 | func TestSQLFSWriteAndRead(t *testing.T) { |
| 29 | a := assert.New(t) |
| 30 | const bufSize = 32 * 1024 |
| 31 | |
| 32 | createSQLFSTestingDatabaseOnce.Do(createSQLFSTestingDatabase) |
| 33 | |
| 34 | db := database.GetTestingDBSingleton() |
| 35 | |
| 36 | tbl := fmt.Sprintf("%s.unittest%d", testDatabaseName, rand.Int()) |
| 37 | |
| 38 | w, e := Create(db, tbl, database.GetSessionFromTestingDB()) |
| 39 | a.NoError(e) |
| 40 | a.NotNil(w) |
| 41 | |
| 42 | // A small output. |
| 43 | buf := []byte("\n\n\n") |
| 44 | n, e := w.Write(buf) |
| 45 | a.NoError(e) |
| 46 | a.Equal(len(buf), n) |
| 47 | |
| 48 | // A big output. |
| 49 | buf = make([]byte, bufSize+1) |
| 50 | for i := range buf { |
| 51 | buf[i] = 'x' |
| 52 | } |
| 53 | n, e = w.Write(buf) |
| 54 | a.NoError(e) |
| 55 | a.Equal(len(buf), n) |
| 56 | |
| 57 | a.NoError(w.Close()) |
| 58 | |
| 59 | r, e := Open(db.DB, tbl) |
| 60 | a.NoError(e) |
| 61 | a.NotNil(r) |
| 62 | |
| 63 | // A small read |
| 64 | buf = make([]byte, 2) |
| 65 | n, e = r.Read(buf) |
| 66 | a.NoError(e) |
| 67 | a.Equal(2, n) |
| 68 | a.Equal(2, strings.Count(string(buf), "\n")) |
| 69 | |
| 70 | // A big read of rest |
| 71 | buf = make([]byte, bufSize*2) |
| 72 | n, e = r.Read(buf) |
| 73 | a.Equal(io.EOF, e) |
| 74 | a.Equal(bufSize+2, n) |
| 75 | a.Equal(1, strings.Count(string(buf), "\n")) |
| 76 | a.Equal(bufSize+1, strings.Count(string(buf), "x")) |
| 77 | |
| 78 | // Another big read |
| 79 | n, e = r.Read(buf) |
| 80 | a.Equal(io.EOF, e) |
| 81 | a.Equal(0, n) |
| 82 | a.NoError(r.Close()) |
| 83 | |
| 84 | a.NoError(dropTableIfExists(db.DB, tbl)) |
| 85 | } |
nothing calls this directly
no test coverage detected