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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 fetch
import (
"path"
"sort"
"testing"
"github.com/google/go-cmp/cmp"
"golang.org/x/pkgsite/internal"
"golang.org/x/pkgsite/internal/stdlib"
"golang.org/x/pkgsite/internal/testing/sample"
)
func TestDirectoryPaths(t *testing.T) {
for _, test := range []struct {
name, modulePath string
packageSuffixes []string
want []string
}{
{
name: "no packages",
modulePath: "github.com/empty/module",
want: []string{"github.com/empty/module"},
},
{
name: "only root package",
modulePath: "github.com/russross/blackfriday",
packageSuffixes: []string{""},
want: []string{"github.com/russross/blackfriday"},
},
{
name: "multiple packages and directories",
modulePath: "github.com/elastic/go-elasticsearch/v7",
packageSuffixes: []string{
"esapi",
"estransport",
"esutil",
"internal/version",
},
want: []string{
"github.com/elastic/go-elasticsearch/v7",
"github.com/elastic/go-elasticsearch/v7/esapi",
"github.com/elastic/go-elasticsearch/v7/estransport",
"github.com/elastic/go-elasticsearch/v7/esutil",
"github.com/elastic/go-elasticsearch/v7/internal",
"github.com/elastic/go-elasticsearch/v7/internal/version",
},
},
{
name: "std lib",
modulePath: stdlib.ModulePath,
packageSuffixes: []string{"cmd/go"},
want: []string{"cmd", "cmd/go", "std"},
},
} {
t.Run(test.name, func(t *testing.T) {
var packages []*goPackage
for _, suffix := range test.packageSuffixes {
packages = append(packages, samplePackage(test.modulePath, suffix))
}
got := unitPaths(test.modulePath, packages)
sort.Strings(got)
if diff := cmp.Diff(test.want, got); diff != "" {
t.Errorf("unitPaths(%q, %q) mismatch (-want +got):\n%s",
test.modulePath, test.packageSuffixes, diff)
}
})
}
}
// samplePackage constructs a package with the given module path and suffix.
//
// If modulePath is the standard library, the package path is the
// suffix, which must not be empty. Otherwise, the package path
// is the concatenation of modulePath and suffix.
//
// The package name is last component of the package path.
func samplePackage(modulePath, suffix string) *goPackage {
p := constructFullPath(modulePath, suffix)
return &goPackage{
name: path.Base(p),
path: p,
v1path: internal.V1Path(p, modulePath),
synopsis: sample.Synopsis,
isRedistributable: true,
licenseMeta: sample.LicenseMetadata,
imports: sample.Imports,
goos: sample.GOOS,
goarch: sample.GOARCH,
}
}
func constructFullPath(modulePath, suffix string) string {
if modulePath != stdlib.ModulePath {
return path.Join(modulePath, suffix)
}
return suffix
}