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f93fcf7dee
Many dependencies started using go 1.22 which means we have to follow in order to update. Disable the now depracted exportloopref linter as it was replaced by copyloopvar as go fixed the loop copy problem in 1.22[1] Another new chnage in go 1.22 is the for loop syntax over ints, the intrange linter chacks for this but there a lot of loops that have to be converted so I didn't do it here and disable th elinter for now, th eold syntax is still fine. [1] https://go.dev/blog/loopvar-preview Signed-off-by: Paul Holzinger <pholzing@redhat.com>
137 lines
4.1 KiB
Go
137 lines
4.1 KiB
Go
package logs
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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var logTime time.Time
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func init() {
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logTime, _ = time.Parse(LogTimeFormat, "2023-08-07T19:56:34.223758260-06:00")
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}
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func makeTestLogLine(typ, msg string) *LogLine {
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return &LogLine{
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Device: "stdout",
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ParseLogType: typ,
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Msg: msg,
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Time: logTime,
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}
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}
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func TestGetTailLog(t *testing.T) {
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tests := []struct {
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name string
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fileContent string
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tail int
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want []*LogLine
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}{
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{
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name: "simple tail",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout F line2
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2023-08-07T19:56:34.223758260-06:00 stdout F line3
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`,
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tail: 2,
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want: []*LogLine{makeTestLogLine("F", "line2"), makeTestLogLine("F", "line3")},
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},
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{
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name: "simple tail with more tail than lines",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout F line2
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2023-08-07T19:56:34.223758260-06:00 stdout F line3
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`,
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tail: 10,
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want: []*LogLine{makeTestLogLine("F", "line1"), makeTestLogLine("F", "line2"), makeTestLogLine("F", "line3")},
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},
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{
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name: "tail with partial logs",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout P lin
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2023-08-07T19:56:34.223758260-06:00 stdout F e2
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2023-08-07T19:56:34.223758260-06:00 stdout F line3
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`,
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tail: 2,
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want: []*LogLine{makeTestLogLine("P", "lin"), makeTestLogLine("F", "e2"), makeTestLogLine("F", "line3")},
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},
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{
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name: "tail with partial logs and more than lines",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout P lin
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2023-08-07T19:56:34.223758260-06:00 stdout F e2
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2023-08-07T19:56:34.223758260-06:00 stdout F line3
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`,
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tail: 10,
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want: []*LogLine{makeTestLogLine("F", "line1"), makeTestLogLine("P", "lin"), makeTestLogLine("F", "e2"), makeTestLogLine("F", "line3")},
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},
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{
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name: "multiple partial lines in a row",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout P l
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2023-08-07T19:56:34.223758260-06:00 stdout P i
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2023-08-07T19:56:34.223758260-06:00 stdout P n
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2023-08-07T19:56:34.223758260-06:00 stdout P e
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2023-08-07T19:56:34.223758260-06:00 stdout F 2
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2023-08-07T19:56:34.223758260-06:00 stdout F line3
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`,
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tail: 2,
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want: []*LogLine{makeTestLogLine("P", "l"), makeTestLogLine("P", "i"), makeTestLogLine("P", "n"),
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makeTestLogLine("P", "e"), makeTestLogLine("F", "2"), makeTestLogLine("F", "line3")},
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},
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{
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name: "partial line at the end",
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fileContent: `2023-08-07T19:56:34.223758260-06:00 stdout F line1
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2023-08-07T19:56:34.223758260-06:00 stdout P lin
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`,
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tail: 1,
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want: []*LogLine{makeTestLogLine("P", "lin")},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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dir := t.TempDir()
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file := filepath.Join(dir, "log")
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f, err := os.Create(file)
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assert.NoError(t, err, "create log file")
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_, err = f.WriteString(tt.fileContent)
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assert.NoError(t, err, "write log file")
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f.Close()
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got, err := getTailLog(file, tt.tail)
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assert.NoError(t, err, "getTailLog()")
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assert.Equal(t, tt.want, got, "log lines")
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})
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}
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}
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func TestGetTailLogBigFiles(t *testing.T) {
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dir := t.TempDir()
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file := filepath.Join(dir, "log")
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f, err := os.Create(file)
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assert.NoError(t, err, "create log file")
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want := make([]*LogLine, 0, 2000)
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for i := 0; i < 1000; i++ {
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_, err = f.WriteString(`2023-08-07T19:56:34.223758260-06:00 stdout P lin
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2023-08-07T19:56:34.223758260-06:00 stdout F e2
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`)
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assert.NoError(t, err, "write log file")
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want = append(want, makeTestLogLine("P", "lin"), makeTestLogLine("F", "e2"))
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}
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f.Close()
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// try a big tail greater than the lines
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got, err := getTailLog(file, 5000)
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assert.NoError(t, err, "getTailLog()")
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assert.Equal(t, want, got, "all log lines")
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// try a smaller than lines tail
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got, err = getTailLog(file, 100)
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assert.NoError(t, err, "getTailLog()")
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// this will return the last 200 lines because of partial + full and we only count full lines for tail.
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assert.Equal(t, want[1800:2000], got, "tail 100 log lines")
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}
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