blob: f163f16ae9bc052939c4a747ec2706c7778a7a93 [file] [log] [blame]
Serge Bazanski0ab4eda2021-03-12 17:43:57 +01001// Copyright 2020 The Monogon Project Authors.
2//
3// SPDX-License-Identifier: Apache-2.0
4//
5// Licensed under the Apache License, Version 2.0 (the "License");
6// you may not use this file except in compliance with the License.
7// You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing, software
12// distributed under the License is distributed on an "AS IS" BASIS,
13// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14// See the License for the specific language governing permissions and
15// limitations under the License.
16
17package logtree
18
19import (
20 "testing"
21 "time"
22
23 "github.com/google/go-cmp/cmp"
24)
25
26func TestParse(t *testing.T) {
27 // Injected 'now'. Used to make these tests reproducible and to allow for
28 // testing the log-across-year edgecase.
29 // Fri 12 Mar 2021 03:46:26 PM UTC
30 now := time.Unix(1615563986, 123456789)
31 // Sat 01 Jan 2000 12:00:01 AM UTC
32 nowNewYear := time.Unix(946684801, 0)
33
34 for i, te := range []struct{
35 now time.Time
36 line string
37 want *LeveledPayload
38 }{
39 // 0: Simple case: everything should parse correctly.
40 { now, "E0312 14:20:04.240540 204 shared_informer.go:247] Caches are synced for attach detach", &LeveledPayload{
41 messages: []string{"Caches are synced for attach detach"},
42 timestamp: time.Date(2021, 03, 12, 14, 20, 4, 240540000, time.UTC),
43 severity: ERROR,
44 file: "shared_informer.go",
45 line: 247,
46 } },
47 // 1: Mumbling line, should fail.
48 { now, "Application starting up...", nil},
49 // 2: Empty line, should fail.
50 { now, "", nil},
51 // 3: Line from the future, should fail.
52 { now, "I1224 14:20:04.240540 204 john_titor.go:247] I'm sorry, what day is it today? Uuuh, and what year?", nil },
53 // 4: Log-across-year edge case. The log was emitted right before a year
54 // rollover, and parsed right after it. It should be attributed to the
55 // previous year.
56 { nowNewYear, "I1231 23:59:43.123456 123 fry.go:123] Here's to another lousy millenium!", &LeveledPayload{
57 messages: []string{"Here's to another lousy millenium!"},
58 timestamp: time.Date(1999, 12, 31, 23, 59, 43, 123456000, time.UTC),
59 severity: INFO,
60 file: "fry.go",
61 line: 123,
62 }},
63 // 5: Invalid severity, should fail.
64 { now, "D0312 14:20:04.240540 204 shared_informer.go:247] Caches are synced for attach detach", nil },
65 // 6: Invalid time, should fail.
66 { now, "D0312 25:20:04.240540 204 shared_informer.go:247] Caches are synced for attach detach", nil },
67 // 7: Simple case without sub-second timing: everything should parse correctly
68 { now, "E0312 14:20:04 204 shared_informer.go:247] Caches are synced for attach detach", &LeveledPayload{
69 messages: []string{"Caches are synced for attach detach"},
70 timestamp: time.Date(2021, 03, 12, 14, 20, 4, 0, time.UTC),
71 severity: ERROR,
72 file: "shared_informer.go",
73 line: 247,
74 } },
75 } {
76 got := parse(te.now, te.line)
77 if diff := cmp.Diff(te.want, got, cmp.AllowUnexported(LeveledPayload{})); diff != "" {
78 t.Errorf("%d: mismatch (-want +got):\n%s", i, diff)
79 }
80 }
81}
82