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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 imports
import (
"fmt"
"os/exec"
"reflect"
"sort"
"strings"
"testing"
"time"
)
func TestDirectoryPackageInfoReachedStatus(t *testing.T) {
tests := []struct {
info directoryPackageInfo
target directoryPackageStatus
wantStatus bool
wantError bool
}{
{
info: directoryPackageInfo{
status: directoryScanned,
err: nil,
},
target: directoryScanned,
wantStatus: true,
},
{
info: directoryPackageInfo{
status: directoryScanned,
err: fmt.Errorf("error getting to directory scanned"),
},
target: directoryScanned,
wantStatus: true,
wantError: true,
},
{
info: directoryPackageInfo{},
target: directoryScanned,
wantStatus: false,
},
}
for _, tt := range tests {
gotStatus, gotErr := tt.info.reachedStatus(tt.target)
if gotErr != nil {
if !tt.wantError {
t.Errorf("unexpected error: %s", gotErr)
}
continue
}
if tt.wantStatus != gotStatus {
t.Errorf("reached status expected: %v, got: %v", tt.wantStatus, gotStatus)
}
}
}
func TestModCacheInfo(t *testing.T) {
m := NewDirInfoCache()
dirInfo := []struct {
dir string
info directoryPackageInfo
}{
{
dir: "mypackage",
info: directoryPackageInfo{
status: directoryScanned,
dir: "mypackage",
nonCanonicalImportPath: "example.com/mypackage",
},
},
{
dir: "bad package",
info: directoryPackageInfo{
status: directoryScanned,
err: fmt.Errorf("bad package"),
},
},
{
dir: "mypackage/other",
info: directoryPackageInfo{
dir: "mypackage/other",
nonCanonicalImportPath: "example.com/mypackage/other",
},
},
}
for _, d := range dirInfo {
m.Store(d.dir, d.info)
}
for _, d := range dirInfo {
val, ok := m.Load(d.dir)
if !ok {
t.Errorf("directory not loaded: %s", d.dir)
}
if !reflect.DeepEqual(d.info, val) {
t.Errorf("expected: %v, got: %v", d.info, val)
}
}
var wantKeys []string
for _, d := range dirInfo {
wantKeys = append(wantKeys, d.dir)
}
sort.Strings(wantKeys)
gotKeys := m.Keys()
sort.Strings(gotKeys)
if len(gotKeys) != len(wantKeys) {
t.Errorf("different length of keys. expected: %d, got: %d", len(wantKeys), len(gotKeys))
}
for i, want := range wantKeys {
if want != gotKeys[i] {
t.Errorf("%d: expected %s, got %s", i, want, gotKeys[i])
}
}
}
func BenchmarkScanModuleCache(b *testing.B) {
output, err := exec.Command("go", "env", "GOMODCACHE").Output()
if err != nil {
b.Fatal(err)
}
gomodcache := strings.TrimSpace(string(output))
cache := NewDirInfoCache()
start := time.Now()
ScanModuleCache(gomodcache, cache, nil)
b.Logf("initial scan took %v", time.Since(start))
b.ResetTimer()
for i := 0; i < b.N; i++ {
ScanModuleCache(gomodcache, cache, nil)
}
}
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