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Peter Lisy
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Jun 28, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Copyright 2022 Outreach Corporation. All Rights Reserved. | ||
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| package main_test | ||
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| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
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| "gotest.tools/v3/icmd" | ||
| ) | ||
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| type line struct { | ||
| Level string `json:"level"` | ||
| Message string `json:"message"` | ||
| Timestamp string `json:"@timestamp"` | ||
| } | ||
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| func TestLogfmtNoJSONText(t *testing.T) { | ||
| txt := "Line 1.\nLine 2.\n" | ||
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| runLogfmt(t, txt, txt) | ||
| } | ||
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| func TestLogfmtStructured(t *testing.T) { | ||
| var buff bytes.Buffer | ||
| enc := json.NewEncoder(&buff) | ||
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| enc.Encode(line{ | ||
| Level: "info", | ||
| Message: "Hello, World!", | ||
| Timestamp: (time.Time{}.Add(1 * time.Second)).Format(time.RFC3339Nano), | ||
| }) | ||
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| runLogfmt(t, | ||
| buff.String(), | ||
| `time="0001-01-01T00:00:01Z" level=info msg="Hello, World!"`) | ||
| } | ||
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| func TestLogfmtStructuredFormat(t *testing.T) { | ||
| var buff bytes.Buffer | ||
| enc := json.NewEncoder(&buff) | ||
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| enc.Encode(line{Level: "info", Message: "msg1"}) | ||
| enc.Encode(line{Level: "info", Message: "msg2"}) | ||
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| runLogfmt(t, | ||
| buff.String(), | ||
| "msg1\nmsg2\n", | ||
| "--format", "{{ .message }}", | ||
| ) | ||
| } | ||
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| func TestLogfmtStructuredFilter(t *testing.T) { | ||
| var buff bytes.Buffer | ||
| enc := json.NewEncoder(&buff) | ||
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| enc.Encode(line{Level: "info", Message: "info"}) | ||
| enc.Encode(line{Level: "warn", Message: "warn"}) | ||
| enc.Encode(line{Level: "error", Message: "error"}) | ||
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| runLogfmt(t, | ||
| buff.String(), | ||
| "info\nerror\n", | ||
| "--format", "{{ .message }}", | ||
| "--filter", `select(.level != "warn")`, | ||
| ) | ||
| } | ||
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| func runLogfmt(t *testing.T, input, output string, args ...string) { | ||
| logs := strings.NewReader(input) | ||
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| args = append([]string{"run", `logfmt.go`}, args...) | ||
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| result := icmd.RunCmd(icmd.Command("go", args...), icmd.WithStdin(logs)) | ||
| result.Assert(t, icmd.Expected{ | ||
| ExitCode: 0, | ||
| Err: output, | ||
| }) | ||
| } |
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