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resultparser.go
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resultparser.go
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// Copyright 2019-2020 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package logictest
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
"time"
"github.com/dolthub/sqllogictest/go/logictest/parser"
)
type ResultType int
const (
Ok ResultType = iota
NotOk
Skipped
Timeout
DidNotRun
)
// ResultLogEntry is a single line in a sqllogictest result log file.
type ResultLogEntry struct {
EntryTime time.Time
TestFile string
LineNum int
Query string
Duration time.Duration
Result ResultType
ErrorMessage string
}
// ParseResultFile parses a result log file produced by the test runner and returns a slice of results, in the order
// that they occurred.
func ParseResultFile(f string) ([]*ResultLogEntry, error) {
file, err := os.Open(f)
if err != nil {
panic(err)
}
var entries []*ResultLogEntry
scanner := parser.LineScanner{Scanner: bufio.NewScanner(file)}
for {
entry, err := parseLogEntry(&scanner)
if err == io.EOF {
return entries, nil
} else if err != nil {
return nil, err
}
entries = append(entries, entry)
}
}
func parseLogEntry(scanner *parser.LineScanner) (*ResultLogEntry, error) {
entry := &ResultLogEntry{}
var err error
linesScanned := 0
for scanner.Scan() {
line := scanner.Text()
linesScanned++
// Sample line:
// 2019-10-16T12:20:29.0594292-07:00 123456 index/random/10/slt_good_0.test:535: SELECT * FROM tab0 AS cor0 WHERE NULL <> 29 + col0 not ok: Schemas differ. Expected IIIIIII, got IIRTIRT
firstSpace := strings.Index(line, " ")
if firstSpace == -1 {
// unrecognized log line, ignore and continue
continue
}
entry.EntryTime, err = time.Parse(time.RFC3339Nano, line[:firstSpace])
if err != nil {
// unrecognized log line, ignore and continue
continue
}
secondSpace := strings.Index(line[firstSpace+1:], " ")
if secondSpace == -1 {
// unrecognized log line, ignore and continue
continue
} else {
secondSpace = secondSpace + firstSpace
}
entry.Duration, err = time.ParseDuration(fmt.Sprintf("%sms", line[firstSpace+1:secondSpace+1]))
if err != nil {
// unrecognized log line, ignore and continue
continue
}
if strings.HasSuffix(line, "ok") {
entry.Result = Ok
} else if strings.Contains(line, "not ok:") {
entry.Result = NotOk
} else if strings.HasSuffix(line, "timeout") {
entry.Result = Timeout
} else if strings.HasSuffix(line, "skipped") {
entry.Result = Skipped
} else if strings.HasSuffix(line, "did not run") {
entry.Result = DidNotRun
} else {
panic("Couldn't determine result of log line " + line)
}
colonIdx := strings.Index(line[secondSpace+1:], ":")
if colonIdx == -1 {
panic(fmt.Sprintf("Malformed line %v on line %d", line, scanner.LineNum))
} else {
colonIdx = colonIdx + secondSpace + 1
}
entry.TestFile = line[secondSpace+2 : colonIdx]
colonIdx2 := strings.Index(line[colonIdx+1:], ":")
if colonIdx2 == -1 {
panic(fmt.Sprintf("Malformed line %v on line %d", line, scanner.LineNum))
} else {
colonIdx2 = colonIdx + 1 + colonIdx2
}
entry.LineNum, err = strconv.Atoi(line[colonIdx+1 : colonIdx2])
if err != nil {
panic(fmt.Sprintf("Failed to parse line number on line %v", scanner.LineNum))
}
switch entry.Result {
case NotOk:
eoq := strings.Index(line[colonIdx2+1:], "not ok: ") + colonIdx2 + 1
entry.Query = line[colonIdx2+2 : eoq-1]
entry.ErrorMessage = line[eoq+len("not ok: "):]
case Timeout:
eoq := strings.Index(line[colonIdx2+1:], "timeout") + colonIdx2 + 1
entry.Query = line[colonIdx2+2 : eoq-1]
case Ok:
eoq := strings.Index(line[colonIdx2+1:], "ok") + colonIdx2 + 1
entry.Query = line[colonIdx2+2 : eoq-1]
case Skipped:
eoq := strings.Index(line[colonIdx2+1:], "skipped") + colonIdx2 + 1
entry.Query = line[colonIdx2+2 : eoq-1]
case DidNotRun:
eoq := strings.Index(line[colonIdx2+1:], "did not run") + colonIdx2 + 1
entry.Query = line[colonIdx2+2 : eoq-1]
}
return entry, nil
}
if scanner.Err() != nil {
return nil, scanner.Err()
}
if scanner.Err() == nil && linesScanned == 0 {
return nil, io.EOF
}
return entry, nil
}