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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ocagent_test
import (
"context"
"errors"
"testing"
"golang.org/x/tools/internal/event"
)
func TestTrace(t *testing.T) {
exporter := registerExporter()
const prefix = testNodeStr + `
"spans":[{
"trace_id":"AAAAAAAAAAAAAAAAAAAAAA==",
"span_id":"AAAAAAAAAAA=",
"parent_span_id":"AAAAAAAAAAA=",
"name":{"value":"event span"},
"start_time":"1970-01-01T00:00:30Z",
"end_time":"1970-01-01T00:00:50Z",
"time_events":{
`
const suffix = `
},
"same_process_as_parent_span":true
}]
}`
tests := []struct {
name string
run func(ctx context.Context)
want string
}{
{
name: "no labels",
run: func(ctx context.Context) {
event.Label(ctx)
},
want: prefix + `
"timeEvent":[{"time":"1970-01-01T00:00:40Z"}]
` + suffix,
},
{
name: "description no error",
run: func(ctx context.Context) {
event.Log(ctx, "cache miss", keyDB.Of("godb"))
},
want: prefix + `"timeEvent":[{"time":"1970-01-01T00:00:40Z","annotation":{
"description": { "value": "cache miss" },
"attributes": {
"attributeMap": {
"db": { "stringValue": { "value": "godb" } }
}
}
}}]` + suffix,
},
{
name: "description and error",
run: func(ctx context.Context) {
event.Error(ctx, "cache miss",
errors.New("no network connectivity"),
keyDB.Of("godb"),
)
},
want: prefix + `"timeEvent":[{"time":"1970-01-01T00:00:40Z","annotation":{
"description": { "value": "cache miss" },
"attributes": {
"attributeMap": {
"db": { "stringValue": { "value": "godb" } },
"error": { "stringValue": { "value": "no network connectivity" } }
}
}
}}]` + suffix,
},
{
name: "no description, but error",
run: func(ctx context.Context) {
event.Error(ctx, "",
errors.New("no network connectivity"),
keyDB.Of("godb"),
)
},
want: prefix + `"timeEvent":[{"time":"1970-01-01T00:00:40Z","annotation":{
"description": { "value": "no network connectivity" },
"attributes": {
"attributeMap": {
"db": { "stringValue": { "value": "godb" } }
}
}
}}]` + suffix,
},
{
name: "enumerate all attribute types",
run: func(ctx context.Context) {
event.Log(ctx, "cache miss",
key1DB.Of("godb"),
key2aAge.Of(0.456), // Constant converted into "float64"
key2bTTL.Of(float32(5000)),
key2cExpiryMS.Of(float64(1e3)),
key3aRetry.Of(false),
key3bStale.Of(true),
key4aMax.Of(0x7fff), // Constant converted into "int"
key4bOpcode.Of(int8(0x7e)),
key4cBase.Of(int16(1<<9)),
key4eChecksum.Of(int32(0x11f7e294)),
key4fMode.Of(int64(0644)),
key5aMin.Of(uint(1)),
key5bMix.Of(uint8(44)),
key5cPort.Of(uint16(55678)),
key5dMinHops.Of(uint32(1<<9)),
key5eMaxHops.Of(uint64(0xffffff)),
)
},
want: prefix + `"timeEvent":[{"time":"1970-01-01T00:00:40Z","annotation":{
"description": { "value": "cache miss" },
"attributes": {
"attributeMap": {
"1_db": { "stringValue": { "value": "godb" } },
"2a_age": { "doubleValue": 0.456 },
"2b_ttl": { "doubleValue": 5000 },
"2c_expiry_ms": { "doubleValue": 1000 },
"3a_retry": {},
"3b_stale": { "boolValue": true },
"4a_max": { "intValue": 32767 },
"4b_opcode": { "intValue": 126 },
"4c_base": { "intValue": 512 },
"4e_checksum": { "intValue": 301458068 },
"4f_mode": { "intValue": 420 },
"5a_min": { "intValue": 1 },
"5b_mix": { "intValue": 44 },
"5c_port": { "intValue": 55678 },
"5d_min_hops": { "intValue": 512 },
"5e_max_hops": { "intValue": 16777215 }
}
}
}}]` + suffix,
},
}
ctx := context.TODO()
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx, done := event.Start(ctx, "event span")
tt.run(ctx)
done()
got := exporter.Output("/v1/trace")
checkJSON(t, got, []byte(tt.want))
})
}
}
|
