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server_test.go
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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 frontend
import (
"context"
"fmt"
"net/http"
"net/http/httptest"
"os"
"regexp"
"strings"
"testing"
"time"
"github.com/google/safehtml"
"github.com/google/safehtml/template"
"github.com/google/safehtml/testconversions"
"golang.org/x/net/html"
"golang.org/x/pkgsite/internal"
"golang.org/x/pkgsite/internal/experiment"
"golang.org/x/pkgsite/internal/middleware"
"golang.org/x/pkgsite/internal/postgres"
"golang.org/x/pkgsite/internal/proxy"
"golang.org/x/pkgsite/internal/queue"
"golang.org/x/pkgsite/internal/source"
"golang.org/x/pkgsite/internal/testing/htmlcheck"
"golang.org/x/pkgsite/internal/testing/pagecheck"
"golang.org/x/pkgsite/internal/testing/sample"
)
const testTimeout = 5 * time.Second
var testDB *postgres.DB
func TestMain(m *testing.M) {
postgres.RunDBTests("discovery_frontend_test", m, &testDB)
}
func TestHTMLInjection(t *testing.T) {
_, handler, _ := newTestServer(t, nil)
w := httptest.NewRecorder()
handler.ServeHTTP(w, httptest.NewRequest("GET", "/<em>UHOH</em>", nil))
if strings.Contains(w.Body.String(), "<em>") {
t.Error("User input was rendered unescaped.")
}
}
const pseudoVersion = "v0.0.0-20190101-123456789012"
type testModule struct {
path string
redistributable bool
versions []string
packages []testPackage
}
type testPackage struct {
name string
suffix string
doc string
}
type serverTestCase struct {
// name of the test
name string
// path to use in an HTTP GET request
urlPath string
// statusCode we expect to see in the headers.
wantStatusCode int
// if non-empty, contents of Location header. For testing redirects.
wantLocation string
// if non-nil, call the checker on the HTML root node
want htmlcheck.Checker
}
var testModules = []testModule{
{
// An ordinary module, with three versions.
path: sample.ModulePath,
redistributable: true,
versions: []string{"v1.0.0", "v0.9.0", pseudoVersion},
packages: []testPackage{
{
suffix: "foo",
doc: sample.DocumentationHTML.String(),
},
{
suffix: "foo/directory/hello",
doc: `<a href="/pkg/io#Writer">io.Writer</a>`,
},
},
},
{
// A non-redistributable module.
path: "github.com/non_redistributable",
redistributable: false,
versions: []string{"v1.0.0"},
packages: []testPackage{
{
suffix: "bar",
},
},
},
{
// A module whose latest version is a pseudoversion.
path: "github.com/pseudo",
redistributable: true,
versions: []string{pseudoVersion},
packages: []testPackage{
{
suffix: "dir/baz",
},
},
},
{
// A module whose latest version is has "+incompatible".
path: "github.com/incompatible",
redistributable: true,
versions: []string{"v1.0.0+incompatible"},
packages: []testPackage{
{
suffix: "dir/inc",
},
},
},
{
// A standard library module.
path: "std",
redistributable: true,
versions: []string{"v1.13.0"},
packages: []testPackage{
{
name: "main",
suffix: "cmd/go",
},
},
},
}
func insertTestModules(ctx context.Context, t *testing.T, mods []testModule) {
for _, mod := range mods {
var ps []*internal.LegacyPackage
for _, pkg := range mod.packages {
p := sample.LegacyPackage(mod.path, pkg.suffix)
p.DocumentationHTML = safehtml.HTML{}
if pkg.name != "" {
p.Name = pkg.name
}
if pkg.doc != "" {
p.DocumentationHTML = testconversions.MakeHTMLForTest(pkg.doc)
}
if !mod.redistributable {
p.Licenses = nil
p.IsRedistributable = false
}
p.V1Path = sample.V1Path
ps = append(ps, p)
}
for _, ver := range mod.versions {
m := sample.Module(mod.path, ver)
m.SourceInfo = source.NewGitHubInfo(sample.RepositoryURL, "", ver)
m.IsRedistributable = mod.redistributable
if !m.IsRedistributable {
m.Licenses = nil
}
for _, p := range ps {
sample.AddPackage(m, p)
}
if err := testDB.InsertModule(ctx, m); err != nil {
t.Fatal(err)
}
}
}
}
// serverTestCases are the test cases valid for any experiment
func serverTestCases() ([]serverTestCase, []serverTestCase, []serverTestCase) {
const (
versioned = true
unversioned = false
)
var (
in = htmlcheck.In
text = htmlcheck.HasText
attr = htmlcheck.HasAttr
// href checks for an exact match in an href attribute.
href = func(val string) htmlcheck.Checker {
return attr("href", "^"+regexp.QuoteMeta(val)+"$")
}
)
pkgV100 := &pagecheck.Page{
Title: "package foo",
ModulePath: sample.ModulePath,
Version: "v1.0.0",
Suffix: "foo",
IsLatest: true,
LatestLink: "/" + sample.ModulePath + "@v1.0.0/foo",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
PackageURLFormat: "/" + sample.ModulePath + "%s/foo",
ModuleURL: "/mod/" + sample.ModulePath,
}
p9 := *pkgV100
p9.Version = "v0.9.0"
p9.IsLatest = false
pkgV090 := &p9
pp := *pkgV100
pp.Version = pseudoVersion
pp.FormattedVersion = "v0.0.0 (20190101-123456789012)"
pp.IsLatest = false
pkgPseudo := &pp
pkgInc := &pagecheck.Page{
Title: "package inc",
ModulePath: "github.com/incompatible",
Version: "v1.0.0+incompatible",
Suffix: "dir/inc",
IsLatest: true,
LatestLink: "/github.com/[email protected]+incompatible/dir/inc",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
PackageURLFormat: "/github.com/incompatible%s/dir/inc",
ModuleURL: "/mod/github.com/incompatible",
}
pkgNonRedist := &pagecheck.Page{
Title: "package bar",
ModulePath: "github.com/non_redistributable",
Version: "v1.0.0",
Suffix: "bar",
IsLatest: true,
LatestLink: "/github.com/[email protected]/bar",
LicenseType: "",
PackageURLFormat: "/github.com/non_redistributable%s/bar",
ModuleURL: "/mod/github.com/non_redistributable",
}
cmdGo := &pagecheck.Page{
Title: "command go",
ModulePath: "std",
Suffix: "cmd/go",
Version: "go1.13",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
IsLatest: true,
LatestLink: "/cmd/[email protected]",
PackageURLFormat: "/cmd/go%s",
ModuleURL: "/std",
}
mod := &pagecheck.Page{
ModulePath: sample.ModulePath,
Title: "module " + sample.ModulePath,
ModuleURL: "/mod/" + sample.ModulePath,
Version: "v1.0.0",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
IsLatest: true,
LatestLink: "/mod/" + sample.ModulePath + "@v1.0.0",
}
mp := *mod
mp.Version = pseudoVersion
mp.FormattedVersion = "v0.0.0 (20190101-123456789012)"
mp.IsLatest = false
modPseudo := &mp
mod2 := &pagecheck.Page{
ModulePath: "github.com/pseudo",
Title: "module github.com/pseudo",
ModuleURL: "/mod/github.com/pseudo",
LatestLink: "/mod/github.com/pseudo@" + pseudoVersion,
Version: pseudoVersion,
FormattedVersion: mp.FormattedVersion,
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
IsLatest: true,
}
dirPseudo := &pagecheck.Page{
ModulePath: "github.com/pseudo",
Title: "directory github.com/pseudo/dir",
ModuleURL: "/mod/github.com/pseudo",
LatestLink: "/mod/github.com/pseudo@" + pseudoVersion + "/dir",
Suffix: "dir",
Version: pseudoVersion,
FormattedVersion: mp.FormattedVersion,
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
IsLatest: true,
PackageURLFormat: "/github.com/pseudo%s/dir",
}
std := &pagecheck.Page{
Title: "Standard library",
ModulePath: "std",
Version: "go1.13",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
ModuleURL: "/std",
IsLatest: true,
LatestLink: "/[email protected]",
}
dir := &pagecheck.Page{
Title: "directory " + sample.ModulePath + "/foo/directory",
ModulePath: sample.ModulePath,
Version: "v1.0.0",
Suffix: "foo/directory",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
ModuleURL: "/mod/" + sample.ModulePath,
PackageURLFormat: "/" + sample.ModulePath + "%s/foo/directory",
}
dirCmd := &pagecheck.Page{
Title: "directory cmd",
ModulePath: "std",
Version: "go1.13",
Suffix: "cmd",
LicenseType: "MIT",
LicenseFilePath: "LICENSE",
ModuleURL: "/std",
PackageURLFormat: "/cmd%s",
}
testCases := []serverTestCase{
{
name: "static",
urlPath: "/static/",
wantStatusCode: http.StatusOK,
want: in("", text("css"), text("html"), text("img"), text("js")),
},
{
name: "license policy",
urlPath: "/license-policy",
wantStatusCode: http.StatusOK,
want: in("",
in(".Content-header", text("License Disclaimer")),
in(".Content",
text("The Go website displays license information"),
text("this is not legal advice"))),
},
{
// just check that it returns 200
name: "favicon",
urlPath: "/favicon.ico",
wantStatusCode: http.StatusOK,
want: nil,
},
{
name: "robots.txt",
urlPath: "/robots.txt",
wantStatusCode: http.StatusOK,
want: in("", text("User-agent: *"), text(regexp.QuoteMeta("Disallow: /search?*"))),
},
{
name: "search",
urlPath: fmt.Sprintf("/search?q=%s", sample.PackageName),
wantStatusCode: http.StatusOK,
want: in("",
in(".SearchResults-resultCount", text("2 results")),
in(".SearchSnippet-header",
in("a",
href("/"+sample.ModulePath+"/foo"),
text(sample.ModulePath+"/foo")))),
},
{
name: "package default",
urlPath: fmt.Sprintf("/%s?tab=doc", sample.PackagePath),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, unversioned),
in("div.DetailsHeader-breadcrumb",
in("a",
href("/"+sample.ModulePath+"@v1.0.0"),
text(sample.ModulePath))),
in(".Documentation", text(`This is the documentation HTML`))),
},
{
name: "package default redirect",
urlPath: fmt.Sprintf("/%s", sample.PackagePath),
wantStatusCode: http.StatusFound,
wantLocation: "/" + sample.ModulePath + "/foo?tab=doc",
},
{
name: "package default nonredistributable",
// For a non-redistributable package, the "latest" route goes to the overview tab.
urlPath: "/github.com/non_redistributable/bar?tab=overview",
wantStatusCode: http.StatusOK,
want: pagecheck.PackageHeader(pkgNonRedist, unversioned),
},
{
name: "package at version default",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=doc", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in(".Documentation", text(`This is the documentation HTML`))),
},
{
name: "package at version default specific version nonredistributable",
// For a non-redistributable package, the name@version route goes to the overview tab.
urlPath: "/github.com/[email protected]/bar?tab=overview",
wantStatusCode: http.StatusOK,
want: pagecheck.PackageHeader(pkgNonRedist, versioned),
},
{
name: "package at version doc tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=doc", sample.ModulePath, "v0.9.0", sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV090, versioned),
in(".Documentation", text(`This is the documentation HTML`))),
},
{
name: "package at version doc with hacked up links",
urlPath: "/" + sample.ModulePath + "/foo/directory/hello?tab=doc",
wantStatusCode: http.StatusOK,
want: in(".Documentation",
in("a", href("/io?tab=doc#Writer"), text("io.Writer"))),
},
{
name: "package at version doc tab nonredistributable",
// For a non-redistributable package, the doc tab will not show the doc.
urlPath: "/github.com/[email protected]/bar?tab=doc",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgNonRedist, versioned),
in(".DetailsContent", text(`not displayed due to license restrictions`))),
},
{
name: "package at version doc tab, no doc",
urlPath: "/github.com/pseudo@" + pseudoVersion + "/dir/baz?tab=doc",
wantStatusCode: http.StatusOK,
want: in("", text("No documentation available")),
},
{
name: "package at version readme tab redistributable",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=overview", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: "/mod/" + sample.ModulePath + "@v1.0.0",
ModuleLinkText: pkgV100.ModulePath,
RepoURL: "https://" + sample.ModulePath,
PackageURL: "https://" + sample.ModulePath + "/tree/v1.0.0/foo",
ReadmeContent: "readme",
ReadmeSource: sample.ModulePath + "@v1.0.0/README.md",
})),
},
{
name: "package at version readme tab nonredistributable",
// For a non-redistributable package, the readme tab will not show the readme.
urlPath: "/github.com/[email protected]/bar?tab=overview",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgNonRedist, versioned),
in(".DetailsContent", text(`not displayed due to license restrictions`))),
},
{
name: "package at version subdirectories tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=subdirectories", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in(".Directories",
in("a",
href(fmt.Sprintf("/%s@%s/%s/directory/hello", sample.ModulePath, sample.VersionString, sample.Suffix)),
text("directory/hello")))),
},
{
name: "package at version versions tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=versions", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in(".Versions",
text(`v1`),
in("a",
href("/"+sample.ModulePath+"@v1.0.0/foo"),
attr("title", "v1.0.0"),
text("v1.0.0")))),
},
{
name: "package at version imports tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=imports", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in("li.selected", text(`Imports`)),
in(".Imports-heading", text(`Standard Library Imports`)),
in(".Imports-list",
in("li:nth-child(1) a", href("/fmt"), text("fmt")),
in("li:nth-child(2) a", href("/path/to/bar"), text("path/to/bar")))),
},
{
name: "package at version imported by tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=importedby", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in(".EmptyContent-message", text(`No known importers for this package`))),
},
{
name: "package at version imported by tab second page",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=importedby&page=2", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
in(".EmptyContent-message", text(`No known importers for this package`))),
},
{
name: "package at version licenses tab",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=licenses", sample.ModulePath, sample.VersionString, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgV100, versioned),
pagecheck.LicenseDetails("MIT", "Lorem Ipsum", sample.ModulePath+"@v1.0.0/LICENSE")),
},
{
name: "package at version overview tab, pseudoversion",
urlPath: fmt.Sprintf("/%s@%s/%s?tab=overview", sample.ModulePath, pseudoVersion, sample.Suffix),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgPseudo, versioned)),
},
{
name: "package at version overview tab, +incompatible",
urlPath: "/github.com/[email protected]+incompatible/dir/inc?tab=overview",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.PackageHeader(pkgInc, versioned)),
},
{
name: "directory subdirectories",
urlPath: fmt.Sprintf("/%s", sample.PackagePath+"/directory"),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dir, unversioned),
in("div.DetailsHeader-breadcrumb",
in("a:nth-of-type(1)",
href("/"+sample.ModulePath+"@v1.0.0"),
text(sample.ModulePath)),
in("a:nth-of-type(2)",
href("/"+sample.ModulePath+"/[email protected]"),
text("foo"))),
// TODO(golang/go#39630) link should be unversioned.
pagecheck.SubdirectoriesDetails("/"+sample.ModulePath+"@v1.0.0/foo/directory/hello", "hello")),
},
{
name: "directory@version subdirectories",
urlPath: "/" + sample.ModulePath + "@v1.0.0/foo/directory",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dir, versioned),
pagecheck.SubdirectoriesDetails("/"+sample.ModulePath+"@v1.0.0/foo/directory/hello", "hello")),
},
{
name: "directory@version subdirectories pseudoversion",
urlPath: "/github.com/pseudo@" + pseudoVersion + "/dir?tab=subdirectories",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirPseudo, versioned),
pagecheck.SubdirectoriesDetails("/github.com/pseudo@"+pseudoVersion+"/dir/baz", "baz")),
},
{
name: "directory subdirectories pseudoversion",
urlPath: "/github.com/pseudo/dir?tab=subdirectories",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirPseudo, unversioned),
// TODO(golang/go#39630) link should be unversioned.
pagecheck.SubdirectoriesDetails("/github.com/pseudo@"+pseudoVersion+"/dir/baz", "baz")),
},
{
name: "directory overview",
urlPath: fmt.Sprintf("/%s?tab=overview", sample.PackagePath+"/directory"),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dir, unversioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: "/mod/" + sample.ModulePath,
ModuleLinkText: dir.ModulePath,
RepoURL: "https://" + sample.ModulePath,
ReadmeContent: "readme",
ReadmeSource: sample.ModulePath + "@v1.0.0/README.md",
})),
},
{
name: "directory licenses",
urlPath: fmt.Sprintf("/%s?tab=licenses", sample.PackagePath+"/directory"),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dir, unversioned),
pagecheck.LicenseDetails("MIT", "Lorem Ipsum", sample.ModulePath+"@v1.0.0/LICENSE")),
},
{
name: "stdlib directory default",
urlPath: "/cmd",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirCmd, unversioned),
pagecheck.SubdirectoriesDetails("", "")),
},
{
name: "stdlib directory subdirectories",
urlPath: "/[email protected]?tab=subdirectories",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirCmd, versioned),
pagecheck.SubdirectoriesDetails("", "")),
},
{
name: "stdlib directory overview",
urlPath: "/[email protected]?tab=overview",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirCmd, versioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: "/[email protected]",
ModuleLinkText: "Standard Library",
ReadmeContent: "readme",
RepoURL: "https://" + sample.ModulePath, // wrong, but hard to change
ReadmeSource: "go.googlesource.com/go/+/refs/tags/go1.13/README.md",
})),
},
{
name: "stdlib directory licenses",
urlPath: "/[email protected]?tab=licenses",
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.DirectoryHeader(dirCmd, versioned),
pagecheck.LicenseDetails("MIT", "Lorem Ipsum", "go.googlesource.com/go/+/refs/tags/go1.13/LICENSE")),
},
{
name: "module default",
urlPath: fmt.Sprintf("/mod/%s", sample.ModulePath),
wantStatusCode: http.StatusOK,
// Show the readme tab by default.
// Fall back to the latest version, show readme tab by default.
want: in("",
pagecheck.ModuleHeader(mod, unversioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: "/mod/" + sample.ModulePath,
ModuleLinkText: sample.ModulePath,
ReadmeContent: "readme",
RepoURL: "https://" + sample.ModulePath,
ReadmeSource: sample.ModulePath + "@v1.0.0/README.md",
})),
},
{
name: "module overview",
urlPath: fmt.Sprintf("/mod/%s?tab=overview", sample.ModulePath),
wantStatusCode: http.StatusOK,
// Show the readme tab by default.
// Fall back to the latest version, show readme tab by default.
want: in("",
pagecheck.ModuleHeader(mod, unversioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: "/mod/" + sample.ModulePath,
ModuleLinkText: sample.ModulePath,
ReadmeContent: "readme",
RepoURL: "https://" + sample.ModulePath,
ReadmeSource: sample.ModulePath + "@v1.0.0/README.md",
})),
},
{
name: "module overview pseudoversion latest",
urlPath: "/mod/github.com/pseudo?tab=overview",
wantStatusCode: http.StatusOK,
// Show the readme tab by default.
// Fall back to the latest version, show readme tab by default.
want: in("",
pagecheck.ModuleHeader(mod2, unversioned),
in(".Overview-module a",
href("/mod/github.com/pseudo"),
text("^github.com/pseudo$")),
in(".Overview-readmeContent", text(`readme`))),
},
{
name: "module packages tab latest version",
urlPath: fmt.Sprintf("/mod/%s?tab=packages", sample.ModulePath),
wantStatusCode: http.StatusOK,
// Fall back to the latest version.
want: in("",
pagecheck.ModuleHeader(mod, unversioned),
in(".Directories", text(`This is a package synopsis`)),
in("div.DetailsHeader-version", text("v1.0.0"))),
},
{
name: "module at version overview tab",
urlPath: fmt.Sprintf("/mod/%s@%s?tab=overview", sample.ModulePath, sample.VersionString),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.ModuleHeader(mod, versioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: fmt.Sprintf("/mod/%s@%s", sample.ModulePath, sample.VersionString),
ModuleLinkText: sample.ModulePath,
ReadmeContent: "readme",
RepoURL: "https://" + sample.ModulePath,
ReadmeSource: sample.ModulePath + "@v1.0.0/README.md",
})),
},
{
name: "module at version overview tab, pseudoversion",
urlPath: fmt.Sprintf("/mod/%s@%s?tab=overview", sample.ModulePath, pseudoVersion),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.ModuleHeader(modPseudo, versioned),
pagecheck.OverviewDetails(&pagecheck.Overview{
ModuleLink: fmt.Sprintf("/mod/%s@%s", sample.ModulePath, pseudoVersion),
ModuleLinkText: sample.ModulePath,
ReadmeContent: "readme",
RepoURL: "https://" + sample.ModulePath,
ReadmeSource: sample.ModulePath + "@" + pseudoVersion + "/README.md",
})),
},
{
name: "module at version packages tab",
urlPath: fmt.Sprintf("/mod/%s@%s?tab=packages", sample.ModulePath, sample.VersionString),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.ModuleHeader(mod, versioned),
in(".Directories", text(`This is a package synopsis`))),
},
{
name: "module at version versions tab",
urlPath: fmt.Sprintf("/mod/%s@%s?tab=versions", sample.ModulePath, sample.VersionString),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.ModuleHeader(mod, versioned),
in("li.selected", text(`Versions`)),
in("div.Versions", text("v1")),
in("li.Versions-item",
in("a",
href("/mod/"+sample.ModulePath+"@v1.0.0"),
attr("title", "v1.0.0"),
text("v1.0.0")))),
},
{
name: "module at version licenses tab",
urlPath: fmt.Sprintf("/mod/%s@%s?tab=licenses", sample.ModulePath, sample.VersionString),
wantStatusCode: http.StatusOK,
want: in("",
pagecheck.ModuleHeader(mod, versioned),
pagecheck.LicenseDetails("MIT", "Lorem Ipsum", sample.ModulePath+"@v1.0.0/LICENSE")),
},
{
name: "cmd go package page",
urlPath: "/cmd/go?tab=doc",
wantStatusCode: http.StatusOK,
want: pagecheck.PackageHeader(cmdGo, unversioned),
},
{
name: "cmd go package page at version",
urlPath: "/cmd/[email protected]?tab=doc",
wantStatusCode: http.StatusOK,
want: pagecheck.PackageHeader(cmdGo, versioned),
},
{
name: "standard library module page",
urlPath: "/std",
wantStatusCode: http.StatusOK,
want: pagecheck.ModuleHeader(std, unversioned),
},
{
name: "standard library module page at version",
urlPath: "/[email protected]",
wantStatusCode: http.StatusOK,
want: pagecheck.ModuleHeader(std, versioned),
},
{
name: "bad version",
urlPath: fmt.Sprintf("/%s@%s/%s", sample.ModulePath, "v1-2", sample.Suffix),
wantStatusCode: http.StatusBadRequest,
want: in("",
in("h3.Error-message", text("v1-2 is not a valid semantic version.")),
in("p.Error-message a", href(`/search?q=github.com%2fvalid%2fmodule_name%2ffoo`))),
},
}
noExpUserDirTCs := []serverTestCase{
{
name: "unknown version",
urlPath: fmt.Sprintf("/%s@%s/%s", sample.ModulePath, "v99.99.0", sample.Suffix),
wantStatusCode: http.StatusNotFound,
want: in("",
in("h3.Error-message", text("Package "+sample.ModulePath+"/[email protected] is not available.")),
in("p.Error-message a", href("/"+sample.ModulePath+"/foo?tab=versions"))),
},
{
name: "path not found",
urlPath: "/example.com/unknown",
wantStatusCode: http.StatusNotFound,
want: in("",
in("h3.Error-message", text("404 Not Found")),
in("p.Error-message", text("a valid package path"))),
},
}
frontendFetchTCs := []serverTestCase{
{
name: "unknown version",
urlPath: fmt.Sprintf("/%s@%s/%s", sample.ModulePath, "v99.99.0", sample.Suffix),
wantStatusCode: http.StatusNotFound,
want: in("",
in("h3.Fetch-message.js-fetchMessage", text("Oops! "+sample.ModulePath+"/[email protected] does not exist."))),
},
{
name: "path not found",
urlPath: "/example.com/unknown",
wantStatusCode: http.StatusNotFound,
want: in("",
in("h3.Fetch-message.js-fetchMessage", text("Oops! example.com/unknown does not exist."))),
},
}
return testCases, noExpUserDirTCs, frontendFetchTCs
}
// TestServer checks the contents of served pages by looking for
// strings and elements in the parsed HTML response body.
//
// Other than search and static content, our pages vary along five dimensions:
//
// 1. module / package / directory
// 2. stdlib / other (since the standard library is a special case in several ways)
// 3. redistributable / non-redistributable
// 4. versioned / unversioned URL (whether the URL for the page contains "@version")
// 5. the tab (overview / doc / imports / ...)
//
// We aim to test all combinations of these.
func TestServer(t *testing.T) {
testCases, noExpUserDirTCs, frontendFetchTCs := serverTestCases()
t.Run("no experiments", func(t *testing.T) {
testServer(t, append(testCases, noExpUserDirTCs...))
})
t.Run("use directories", func(t *testing.T) {
testServer(t,
append(testCases, noExpUserDirTCs...),
internal.ExperimentInsertDirectories,
internal.ExperimentUseDirectories,
internal.ExperimentUsePathInfo,
)
})
t.Run("frontend fetch", func(t *testing.T) {
testServer(t,
append(testCases, frontendFetchTCs...),
internal.ExperimentFrontendFetch,
internal.ExperimentInsertDirectories,
internal.ExperimentUsePathInfo,
)
})
}
func testServer(t *testing.T, testCases []serverTestCase, experimentNames ...string) {
ctx, cancel := context.WithTimeout(context.Background(), testTimeout)
defer cancel()
defer postgres.ResetTestDB(testDB, t)
// Experiments need to be set in the context, for DB work, and as a
// middleware, for request handling.
ctx = experiment.NewContext(ctx, experimentNames...)
insertTestModules(ctx, t, testModules)
_, handler, _ := newTestServer(t, nil, experimentNames...)
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) { // remove initial '/' for name
w := httptest.NewRecorder()
handler.ServeHTTP(w, httptest.NewRequest("GET", tc.urlPath, nil))
res := w.Result()
if res.StatusCode != tc.wantStatusCode {
t.Errorf("GET %q = %d, want %d", tc.urlPath, res.StatusCode, tc.wantStatusCode)
}
if tc.wantLocation != "" {
if got := res.Header.Get("Location"); got != tc.wantLocation {
t.Errorf("Location: got %q, want %q", got, tc.wantLocation)
}
}
doc, err := html.Parse(res.Body)
if err != nil {
t.Fatal(err)
}
_ = res.Body.Close()
if tc.want != nil {
if err := tc.want(doc); err != nil {
if testing.Verbose() {
html.Render(os.Stdout, doc)
}
t.Error(err)
}
}
})
}
}
func TestServerErrors(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), testTimeout)
defer cancel()
defer postgres.ResetTestDB(testDB, t)
sampleModule := sample.DefaultModule()
if err := testDB.InsertModule(ctx, sampleModule); err != nil {
t.Fatal(err)
}
_, handler, _ := newTestServer(t, nil)
for _, test := range []struct {
name, path string
wantCode int
}{
{"not found", "/invalid-page", http.StatusNotFound},
{"bad request", "/gocloud.dev/@latest/blob", http.StatusBadRequest},
} {
t.Run(test.name, func(t *testing.T) {
w := httptest.NewRecorder()
handler.ServeHTTP(w, httptest.NewRequest("GET", test.path, nil))
if w.Code != test.wantCode {
t.Errorf("%q: got status code = %d, want %d", test.path, w.Code, test.wantCode)
}
})
}
}
func mustRequest(urlPath string, t *testing.T) *http.Request {
t.Helper()
r, err := http.NewRequest(http.MethodGet, "http://localhost"+urlPath, nil)
if err != nil {
t.Fatal(err)
}
return r
}
func TestDetailsTTL(t *testing.T) {
tests := []struct {
r *http.Request
want time.Duration
}{
{mustRequest("/host.com/[email protected]/suffix", t), longTTL},
{mustRequest("/host.com/module/suffix", t), shortTTL},
{mustRequest("/host.com/[email protected]/suffix?tab=overview", t), longTTL},
{mustRequest("/host.com/[email protected]/suffix?tab=versions", t), defaultTTL},
{mustRequest("/host.com/[email protected]/suffix?tab=importedby", t), defaultTTL},
{mustRequest("/mod/host.com/[email protected]/suffix", t), longTTL},
{mustRequest("/mod/host.com/module/suffix", t), shortTTL},
{mustRequest("/mod/host.com/[email protected]/suffix?tab=overview", t), longTTL},
{mustRequest("/mod/host.com/[email protected]/suffix?tab=versions", t), defaultTTL},
{mustRequest("/mod/host.com/[email protected]/suffix?tab=importedby", t), defaultTTL},
}
for _, test := range tests {
if got := detailsTTL(test.r); got != test.want {
t.Errorf("detailsTTL(%v) = %v, want %v", test.r, got, test.want)
}
}
}
func TestTagRoute(t *testing.T) {
mustRequest := func(url string) *http.Request {
req, err := http.NewRequest("GET", url, nil)
if err != nil {
t.Fatal(err)
}
return req
}
tests := []struct {
route string
req *http.Request
want string
}{
{"/pkg", mustRequest("http://localhost/pkg/foo?tab=versions"), "pkg-versions"},
{"/", mustRequest("http://localhost/foo?tab=imports"), "imports"},
}
for _, test := range tests {
t.Run(test.want, func(t *testing.T) {
if got := TagRoute(test.route, test.req); got != test.want {
t.Errorf("TagRoute(%q, %v) = %q, want %q", test.route, test.req, got, test.want)
}
})
}
}
func newTestServer(t *testing.T, proxyModules []*proxy.TestModule, experimentNames ...string) (*Server, http.Handler, func()) {
t.Helper()
proxyClient, teardown := proxy.SetupTestProxy(t, proxyModules)
sourceClient := source.NewClient(sourceTimeout)
ctx := context.Background()
q := queue.NewInMemory(ctx, 1, experimentNames,
func(ctx context.Context, mpath, version string) (int, error) {
return FetchAndUpdateState(ctx, mpath, version, proxyClient, sourceClient, testDB)
})
config := ServerConfig{