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cmd/go: add tracing instrumentation to load.TestPackagesFor

This change adds tracing instrumentation into load.TestPackagesFor,
propagating context through its callers.

Updates #38714

Change-Id: I80fefaf3116ccccffaa8bb7613a656bda867394c
Reviewed-on: https://go-review.googlesource.com/c/go/+/248323
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
This commit is contained in:
Michael Matloob 2020-06-22 18:39:10 -04:00
parent 15b98e55d1
commit 38fea3a4ec
4 changed files with 16 additions and 10 deletions

View File

@ -477,9 +477,9 @@ func runList(ctx context.Context, cmd *base.Command, args []string) {
var pmain, ptest, pxtest *load.Package
var err error
if *listE {
pmain, ptest, pxtest = load.TestPackagesAndErrors(p, nil)
pmain, ptest, pxtest = load.TestPackagesAndErrors(ctx, p, nil)
} else {
pmain, ptest, pxtest, err = load.TestPackagesFor(p, nil)
pmain, ptest, pxtest, err = load.TestPackagesFor(ctx, p, nil)
if err != nil {
base.Errorf("can't load test package: %s", err)
}

View File

@ -6,7 +6,7 @@ package load
import (
"bytes"
"cmd/go/internal/str"
"context"
"errors"
"fmt"
"go/ast"
@ -20,6 +20,9 @@ import (
"strings"
"unicode"
"unicode/utf8"
"cmd/go/internal/str"
"cmd/go/internal/trace"
)
var TestMainDeps = []string{
@ -42,8 +45,8 @@ type TestCover struct {
// TestPackagesFor is like TestPackagesAndErrors but it returns
// an error if the test packages or their dependencies have errors.
// Only test packages without errors are returned.
func TestPackagesFor(p *Package, cover *TestCover) (pmain, ptest, pxtest *Package, err error) {
pmain, ptest, pxtest = TestPackagesAndErrors(p, cover)
func TestPackagesFor(ctx context.Context, p *Package, cover *TestCover) (pmain, ptest, pxtest *Package, err error) {
pmain, ptest, pxtest = TestPackagesAndErrors(ctx, p, cover)
for _, p1 := range []*Package{ptest, pxtest, pmain} {
if p1 == nil {
// pxtest may be nil
@ -89,7 +92,10 @@ func TestPackagesFor(p *Package, cover *TestCover) (pmain, ptest, pxtest *Packag
//
// The caller is expected to have checked that len(p.TestGoFiles)+len(p.XTestGoFiles) > 0,
// or else there's no point in any of this.
func TestPackagesAndErrors(p *Package, cover *TestCover) (pmain, ptest, pxtest *Package) {
func TestPackagesAndErrors(ctx context.Context, p *Package, cover *TestCover) (pmain, ptest, pxtest *Package) {
ctx, span := trace.StartSpan(ctx, "load.TestPackagesAndErrors")
defer span.Done()
pre := newPreload()
defer pre.flush()
allImports := append([]string{}, p.TestImports...)

View File

@ -746,7 +746,7 @@ func runTest(ctx context.Context, cmd *base.Command, args []string) {
ensureImport(p, "sync/atomic")
}
buildTest, runTest, printTest, err := builderTest(&b, p)
buildTest, runTest, printTest, err := builderTest(&b, ctx, p)
if err != nil {
str := err.Error()
str = strings.TrimPrefix(str, "\n")
@ -813,7 +813,7 @@ var windowsBadWords = []string{
"update",
}
func builderTest(b *work.Builder, p *load.Package) (buildAction, runAction, printAction *work.Action, err error) {
func builderTest(b *work.Builder, ctx context.Context, p *load.Package) (buildAction, runAction, printAction *work.Action, err error) {
if len(p.TestGoFiles)+len(p.XTestGoFiles) == 0 {
build := b.CompileAction(work.ModeBuild, work.ModeBuild, p)
run := &work.Action{Mode: "test run", Package: p, Deps: []*work.Action{build}}
@ -836,7 +836,7 @@ func builderTest(b *work.Builder, p *load.Package) (buildAction, runAction, prin
DeclVars: declareCoverVars,
}
}
pmain, ptest, pxtest, err := load.TestPackagesFor(p, cover)
pmain, ptest, pxtest, err := load.TestPackagesFor(ctx, p, cover)
if err != nil {
return nil, nil, nil, err
}

View File

@ -77,7 +77,7 @@ func runVet(ctx context.Context, cmd *base.Command, args []string) {
root := &work.Action{Mode: "go vet"}
for _, p := range pkgs {
_, ptest, pxtest, err := load.TestPackagesFor(p, nil)
_, ptest, pxtest, err := load.TestPackagesFor(ctx, p, nil)
if err != nil {
base.Errorf("%v", err)
continue