Function readQueryLog

cmd/prometheus/query_log_test.go:438–451

readQueryLog unmarshal a json-formatted query log into query log lines.

(t *testing.T, path string)

// readQueryLog unmarshal a json-formatted query log into query log lines.
func readQueryLog(t *testing.T, path string) []queryLogLine {
	ql := []queryLogLine{}
	file, err := os.Open(path)
	require.NoError(t, err)
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		var q queryLogLine
		require.NoError(t, json.Unmarshal(scanner.Bytes(), &q))
		ql = append(ql, q)
	}
	return ql
}

// waitForQueryLog waits for the query log to contain at least minEntries entries,
// polling at regular intervals until the timeout is reached.