blob: e7850136c1378b6074cd92a6dfb39f389636e5fb [file] [log] [blame]
// 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 frontend
import (
"bytes"
"context"
"sort"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/safehtml"
"golang.org/x/pkgsite/internal"
"golang.org/x/pkgsite/internal/licenses"
"golang.org/x/pkgsite/internal/stdlib"
"golang.org/x/pkgsite/internal/testing/fakedatasource"
"golang.org/x/pkgsite/internal/testing/sample"
"golang.org/x/pkgsite/internal/testing/testhelper"
)
func TestLicenseAnchors(t *testing.T) {
for _, test := range []struct {
in, want []string
}{
{[]string{"L.md"}, []string{"lic-0"}},
// Identifiers are distinguished by the position in the sorted list.
{[]string{"L.md", "L_md"}, []string{"lic-0", "lic-1"}},
{[]string{"L_md", "L.md"}, []string{"lic-1", "lic-0"}},
} {
gotIDs := licenseAnchors(test.in)
if len(test.want) != len(gotIDs) {
t.Errorf("%v: mismatched lengths", test.in)
} else {
for i, g := range gotIDs {
if got, want := g.String(), test.want[i]; got != want {
t.Errorf("%v, #%d: got %q, want %q", test.in, i, got, want)
}
}
}
}
}
func TestFetchLicensesDetails(t *testing.T) {
testModule := sample.Module(sample.ModulePath, "v1.2.3", "A/B")
stdlibModule := sample.Module(stdlib.ModulePath, "v1.13.0", "cmd/go")
crlfPath := "github.com/crlf/module_name"
crlfModule := sample.Module(crlfPath, "v1.2.3", "A")
mit := &licenses.Metadata{Types: []string{"MIT"}, FilePath: "LICENSE"}
bsd := &licenses.Metadata{Types: []string{"BSD-3-Clause"}, FilePath: "A/B/LICENSE"}
mitLicense := &licenses.License{
Metadata: mit,
Contents: []byte(testhelper.MITLicense),
}
mitLicenseCRLF := &licenses.License{
Metadata: mit,
Contents: []byte(strings.ReplaceAll(testhelper.MITLicense, "\n", "\r\n")),
}
bsdLicense := &licenses.License{
Metadata: bsd,
Contents: []byte(testhelper.BSD0License),
}
testModule.Licenses = []*licenses.License{bsdLicense, mitLicense}
crlfModule.Licenses = []*licenses.License{mitLicenseCRLF}
sort.Slice(testModule.Units, func(i, j int) bool {
return testModule.Units[i].Path < testModule.Units[j].Path
})
// github.com/valid/module_name
testModule.Units[0].Licenses = []*licenses.Metadata{mit}
// github.com/valid/module_name/A
testModule.Units[1].Licenses = []*licenses.Metadata{mit}
// github.com/valid/module_name/A/B
testModule.Units[2].Licenses = []*licenses.Metadata{mit, bsd}
fds := fakedatasource.New()
ctx := context.Background()
fds.MustInsertModule(ctx, testModule)
fds.MustInsertModule(ctx, stdlibModule)
fds.MustInsertModule(ctx, crlfModule)
for _, test := range []struct {
err error
name, fullPath, modulePath, version string
want []*licenses.License
}{
{
name: "module root",
fullPath: sample.ModulePath,
modulePath: sample.ModulePath,
version: testModule.Version,
want: []*licenses.License{testModule.Licenses[1]},
},
{
name: "package without license",
fullPath: sample.ModulePath + "/A",
modulePath: sample.ModulePath,
version: testModule.Version,
want: []*licenses.License{testModule.Licenses[1]},
},
{
name: "package with additional license",
fullPath: sample.ModulePath + "/A/B",
modulePath: sample.ModulePath,
version: testModule.Version,
want: testModule.Licenses,
},
{
name: "stdlib directory",
fullPath: "cmd",
modulePath: stdlib.ModulePath,
version: stdlibModule.Version,
want: stdlibModule.Licenses,
},
{
name: "stdlib package",
fullPath: "cmd/go",
modulePath: stdlib.ModulePath,
version: stdlibModule.Version,
want: stdlibModule.Licenses,
},
{
name: "stdlib module",
fullPath: stdlib.ModulePath,
modulePath: stdlib.ModulePath,
version: stdlibModule.Version,
want: stdlibModule.Licenses,
},
{
name: "module with CRLF line terminators",
fullPath: crlfPath,
modulePath: crlfPath,
version: crlfModule.Version,
want: crlfModule.Licenses,
},
} {
t.Run(test.name, func(t *testing.T) {
wantDetails := &LicensesDetails{IsRedistributable: true,
Licenses: transformLicenses(test.modulePath, test.version, test.want)}
got, err := fetchLicensesDetails(ctx, fds, &internal.UnitMeta{
Path: test.fullPath,
ModuleInfo: internal.ModuleInfo{
ModulePath: test.modulePath,
Version: test.version,
},
})
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(wantDetails, got,
cmp.AllowUnexported(safehtml.HTML{}, safehtml.Identifier{}),
); diff != "" {
t.Errorf("mismatch (-want +got):\n%s", diff)
}
for _, l := range got.Licenses {
if bytes.Contains(l.Contents, []byte("\r")) {
t.Errorf("license %s contains \\r line terminators", l.Metadata.FilePath)
}
}
})
}
}