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package trace2hooks
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/v16/internal/git/trace2"
"gitlab.com/gitlab-org/gitaly/v16/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v16/internal/tracing"
)
func TestTracingExporter_Handle(t *testing.T) {
reporter, cleanup := testhelper.StubTracingReporter(t)
defer cleanup()
// Pin a timestamp for trace tree generation below. This way enables asserting the time
// frames of spans correctly.
current, err := time.Parse("2006-01-02T15:04:05Z", "2023-01-01T00:00:00Z")
require.NoError(t, err)
exampleTrace := createExampleTrace(current)
for _, tc := range []struct {
desc string
setup func(*testing.T) (context.Context, *trace2.Trace)
expectedSpans []*testhelper.Span
}{
{
desc: "empty trace",
setup: func(t *testing.T) (context.Context, *trace2.Trace) {
_, ctx := tracing.StartSpan(testhelper.Context(t), "root", nil)
return ctx, nil
},
expectedSpans: nil,
},
{
desc: "receives trace consisting of root only",
setup: func(t *testing.T) (context.Context, *trace2.Trace) {
_, ctx := tracing.StartSpan(testhelper.Context(t), "root", nil)
return ctx, &trace2.Trace{
Thread: "main",
Name: "root",
StartTime: current,
FinishTime: time.Time{},
}
},
expectedSpans: nil,
},
{
desc: "receives a complete trace",
setup: func(t *testing.T) (context.Context, *trace2.Trace) {
_, ctx := tracing.StartSpan(testhelper.Context(t), "root", nil)
return ctx, exampleTrace
},
expectedSpans: []*testhelper.Span{
{
Operation: "git:version",
StartTime: current,
Duration: 1 * time.Second,
Tags: map[string]string{
"childID": "",
"thread": "main",
"exe": "2.42.0",
},
},
{
Operation: "git:start",
StartTime: current.Add(1 * time.Second),
Duration: 1 * time.Second,
Tags: map[string]string{
"argv": "git fetch origin master",
"childID": "",
"thread": "main",
},
},
{
Operation: "git:def_repo",
StartTime: current.Add(2 * time.Second),
Duration: 1 * time.Second,
Tags: map[string]string{
"childID": "",
"thread": "main",
"worktree": "/Users/userx123/Documents/gitlab-development-kit",
},
},
{
Operation: "git:index:do_read_index",
StartTime: current.Add(3 * time.Second),
Duration: 3 * time.Second, // 3 children
Tags: map[string]string{
"childID": "",
"thread": "main",
},
},
{
Operation: "git:cache_tree:read",
StartTime: current.Add(3 * time.Second),
Duration: 1 * time.Second, // 3 children
Tags: map[string]string{
"childID": "0",
"thread": "main",
},
},
{
Operation: "git:data:index:read/version",
StartTime: current.Add(4 * time.Second),
Duration: 1 * time.Second, // 3 children
Tags: map[string]string{
"childID": "0",
"thread": "main",
"data": "2",
},
},
{
Operation: "git:data:index:read/cache_nr",
StartTime: current.Add(5 * time.Second),
Duration: 1 * time.Second, // 3 children
Tags: map[string]string{
"childID": "0",
"thread": "main",
"data": "1500",
},
},
{
Operation: "git:submodule:parallel/fetch",
StartTime: current.Add(6 * time.Second),
Duration: 1 * time.Second, // 3 children
Tags: map[string]string{
"childID": "",
"thread": "main",
},
},
},
},
{
desc: "receives a complete trace but tracing is not initialized",
setup: func(t *testing.T) (context.Context, *trace2.Trace) {
return testhelper.Context(t), exampleTrace
},
expectedSpans: nil,
},
} {
t.Run(tc.desc, func(t *testing.T) {
reporter.Reset()
ctx, trace := tc.setup(t)
exporter := NewTracingExporter()
err := exporter.Handle(ctx, trace)
require.NoError(t, err)
spans := testhelper.ReportedSpans(t, reporter)
require.Equal(t, tc.expectedSpans, spans)
})
}
}
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