| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package mysqlfunc |
| 4 | |
| 5 | import ( |
| 6 | "database/sql" |
| 7 | "errors" |
| 8 | "sync" |
| 9 | "time" |
| 10 | |
| 11 | "github.com/netdata/netdata/go/plugins/pkg/confopt" |
| 12 | ) |
| 13 | |
| 14 | type testDeps struct { |
| 15 | mu sync.RWMutex |
| 16 | db *sql.DB |
| 17 | |
| 18 | cfg FunctionsConfig |
| 19 | } |
| 20 | |
| 21 | func newTestDeps() *testDeps { |
| 22 | return &testDeps{ |
| 23 | cfg: FunctionsConfig{ |
| 24 | Timeout: confopt.Duration(time.Second), |
| 25 | TopQueries: TopQueriesConfig{ |
| 26 | Timeout: confopt.Duration(time.Second), |
| 27 | Limit: 500, |
| 28 | }, |
| 29 | DeadlockInfo: DeadlockInfoConfig{ |
| 30 | Timeout: confopt.Duration(time.Second), |
| 31 | }, |
| 32 | ErrorInfo: ErrorInfoConfig{ |
| 33 | Timeout: confopt.Duration(time.Second), |
| 34 | }, |
| 35 | }, |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | func (d *testDeps) setDB(db *sql.DB) { |
| 40 | d.mu.Lock() |
| 41 | d.db = db |
| 42 | d.mu.Unlock() |
| 43 | } |
| 44 | |
| 45 | func (d *testDeps) cleanup() { |
| 46 | d.mu.Lock() |
| 47 | d.db = nil |
| 48 | d.mu.Unlock() |
| 49 | } |
| 50 | |
| 51 | func (d *testDeps) DB() (Queryer, error) { |
| 52 | d.mu.RLock() |
| 53 | db := d.db |
| 54 | d.mu.RUnlock() |
| 55 | if db == nil { |
| 56 | return nil, errors.New("db unavailable") |
| 57 | } |
| 58 | return db, nil |
| 59 | } |