forked from mystiq/dex
611 lines
14 KiB
Go
611 lines
14 KiB
Go
// Copyright 2013 Julien Schmidt. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be found
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// in the LICENSE file.
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package httprouter
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import (
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"fmt"
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"net/http"
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"reflect"
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"strings"
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"testing"
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)
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func printChildren(n *node, prefix string) {
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fmt.Printf(" %02d:%02d %s%s[%d] %v %t %d \r\n", n.priority, n.maxParams, prefix, n.path, len(n.children), n.handle, n.wildChild, n.nType)
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for l := len(n.path); l > 0; l-- {
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prefix += " "
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}
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for _, child := range n.children {
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printChildren(child, prefix)
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}
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}
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// Used as a workaround since we can't compare functions or their adresses
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var fakeHandlerValue string
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func fakeHandler(val string) Handle {
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return func(http.ResponseWriter, *http.Request, Params) {
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fakeHandlerValue = val
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}
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}
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type testRequests []struct {
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path string
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nilHandler bool
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route string
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ps Params
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}
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func checkRequests(t *testing.T, tree *node, requests testRequests) {
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for _, request := range requests {
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handler, ps, _ := tree.getValue(request.path)
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if handler == nil {
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if !request.nilHandler {
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t.Errorf("handle mismatch for route '%s': Expected non-nil handle", request.path)
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}
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} else if request.nilHandler {
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t.Errorf("handle mismatch for route '%s': Expected nil handle", request.path)
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} else {
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handler(nil, nil, nil)
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if fakeHandlerValue != request.route {
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t.Errorf("handle mismatch for route '%s': Wrong handle (%s != %s)", request.path, fakeHandlerValue, request.route)
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}
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}
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if !reflect.DeepEqual(ps, request.ps) {
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t.Errorf("Params mismatch for route '%s'", request.path)
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}
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}
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}
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func checkPriorities(t *testing.T, n *node) uint32 {
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var prio uint32
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for i := range n.children {
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prio += checkPriorities(t, n.children[i])
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}
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if n.handle != nil {
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prio++
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}
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if n.priority != prio {
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t.Errorf(
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"priority mismatch for node '%s': is %d, should be %d",
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n.path, n.priority, prio,
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)
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}
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return prio
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}
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func checkMaxParams(t *testing.T, n *node) uint8 {
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var maxParams uint8
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for i := range n.children {
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params := checkMaxParams(t, n.children[i])
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if params > maxParams {
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maxParams = params
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}
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}
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if n.nType != static && !n.wildChild {
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maxParams++
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}
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if n.maxParams != maxParams {
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t.Errorf(
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"maxParams mismatch for node '%s': is %d, should be %d",
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n.path, n.maxParams, maxParams,
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)
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}
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return maxParams
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}
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func TestCountParams(t *testing.T) {
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if countParams("/path/:param1/static/*catch-all") != 2 {
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t.Fail()
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}
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if countParams(strings.Repeat("/:param", 256)) != 255 {
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t.Fail()
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}
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}
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func TestTreeAddAndGet(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/hi",
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"/contact",
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"/co",
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"/c",
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"/a",
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"/ab",
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"/doc/",
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"/doc/go_faq.html",
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"/doc/go1.html",
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"/α",
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"/β",
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}
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for _, route := range routes {
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tree.addRoute(route, fakeHandler(route))
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}
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//printChildren(tree, "")
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checkRequests(t, tree, testRequests{
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{"/a", false, "/a", nil},
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{"/", true, "", nil},
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{"/hi", false, "/hi", nil},
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{"/contact", false, "/contact", nil},
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{"/co", false, "/co", nil},
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{"/con", true, "", nil}, // key mismatch
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{"/cona", true, "", nil}, // key mismatch
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{"/no", true, "", nil}, // no matching child
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{"/ab", false, "/ab", nil},
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{"/α", false, "/α", nil},
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{"/β", false, "/β", nil},
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})
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checkPriorities(t, tree)
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checkMaxParams(t, tree)
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}
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func TestTreeWildcard(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/",
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"/cmd/:tool/:sub",
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"/cmd/:tool/",
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"/src/*filepath",
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"/search/",
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"/search/:query",
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"/user_:name",
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"/user_:name/about",
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"/files/:dir/*filepath",
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"/doc/",
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"/doc/go_faq.html",
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"/doc/go1.html",
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"/info/:user/public",
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"/info/:user/project/:project",
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}
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for _, route := range routes {
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tree.addRoute(route, fakeHandler(route))
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}
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//printChildren(tree, "")
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checkRequests(t, tree, testRequests{
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{"/", false, "/", nil},
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{"/cmd/test/", false, "/cmd/:tool/", Params{Param{"tool", "test"}}},
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{"/cmd/test", true, "", Params{Param{"tool", "test"}}},
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{"/cmd/test/3", false, "/cmd/:tool/:sub", Params{Param{"tool", "test"}, Param{"sub", "3"}}},
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{"/src/", false, "/src/*filepath", Params{Param{"filepath", "/"}}},
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{"/src/some/file.png", false, "/src/*filepath", Params{Param{"filepath", "/some/file.png"}}},
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{"/search/", false, "/search/", nil},
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{"/search/someth!ng+in+ünìcodé", false, "/search/:query", Params{Param{"query", "someth!ng+in+ünìcodé"}}},
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{"/search/someth!ng+in+ünìcodé/", true, "", Params{Param{"query", "someth!ng+in+ünìcodé"}}},
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{"/user_gopher", false, "/user_:name", Params{Param{"name", "gopher"}}},
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{"/user_gopher/about", false, "/user_:name/about", Params{Param{"name", "gopher"}}},
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{"/files/js/inc/framework.js", false, "/files/:dir/*filepath", Params{Param{"dir", "js"}, Param{"filepath", "/inc/framework.js"}}},
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{"/info/gordon/public", false, "/info/:user/public", Params{Param{"user", "gordon"}}},
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{"/info/gordon/project/go", false, "/info/:user/project/:project", Params{Param{"user", "gordon"}, Param{"project", "go"}}},
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})
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checkPriorities(t, tree)
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checkMaxParams(t, tree)
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}
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func catchPanic(testFunc func()) (recv interface{}) {
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defer func() {
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recv = recover()
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}()
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testFunc()
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return
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}
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type testRoute struct {
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path string
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conflict bool
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}
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func testRoutes(t *testing.T, routes []testRoute) {
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tree := &node{}
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for _, route := range routes {
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recv := catchPanic(func() {
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tree.addRoute(route.path, nil)
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})
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if route.conflict {
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if recv == nil {
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t.Errorf("no panic for conflicting route '%s'", route.path)
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}
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} else if recv != nil {
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t.Errorf("unexpected panic for route '%s': %v", route.path, recv)
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}
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}
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//printChildren(tree, "")
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}
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func TestTreeWildcardConflict(t *testing.T) {
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routes := []testRoute{
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{"/cmd/:tool/:sub", false},
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{"/cmd/vet", true},
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{"/src/*filepath", false},
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{"/src/*filepathx", true},
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{"/src/", true},
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{"/src1/", false},
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{"/src1/*filepath", true},
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{"/src2*filepath", true},
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{"/search/:query", false},
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{"/search/invalid", true},
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{"/user_:name", false},
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{"/user_x", true},
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{"/user_:name", false},
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{"/id:id", false},
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{"/id/:id", true},
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}
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testRoutes(t, routes)
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}
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func TestTreeChildConflict(t *testing.T) {
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routes := []testRoute{
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{"/cmd/vet", false},
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{"/cmd/:tool/:sub", true},
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{"/src/AUTHORS", false},
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{"/src/*filepath", true},
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{"/user_x", false},
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{"/user_:name", true},
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{"/id/:id", false},
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{"/id:id", true},
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{"/:id", true},
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{"/*filepath", true},
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}
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testRoutes(t, routes)
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}
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func TestTreeDupliatePath(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/",
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"/doc/",
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"/src/*filepath",
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"/search/:query",
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"/user_:name",
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}
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for _, route := range routes {
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recv := catchPanic(func() {
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tree.addRoute(route, fakeHandler(route))
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})
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if recv != nil {
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t.Fatalf("panic inserting route '%s': %v", route, recv)
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}
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// Add again
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recv = catchPanic(func() {
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tree.addRoute(route, nil)
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})
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if recv == nil {
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t.Fatalf("no panic while inserting duplicate route '%s", route)
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}
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}
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//printChildren(tree, "")
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checkRequests(t, tree, testRequests{
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{"/", false, "/", nil},
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{"/doc/", false, "/doc/", nil},
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{"/src/some/file.png", false, "/src/*filepath", Params{Param{"filepath", "/some/file.png"}}},
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{"/search/someth!ng+in+ünìcodé", false, "/search/:query", Params{Param{"query", "someth!ng+in+ünìcodé"}}},
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{"/user_gopher", false, "/user_:name", Params{Param{"name", "gopher"}}},
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})
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}
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func TestEmptyWildcardName(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/user:",
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"/user:/",
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"/cmd/:/",
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"/src/*",
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}
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for _, route := range routes {
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recv := catchPanic(func() {
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tree.addRoute(route, nil)
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})
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if recv == nil {
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t.Fatalf("no panic while inserting route with empty wildcard name '%s", route)
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}
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}
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}
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func TestTreeCatchAllConflict(t *testing.T) {
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routes := []testRoute{
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{"/src/*filepath/x", true},
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{"/src2/", false},
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{"/src2/*filepath/x", true},
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}
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testRoutes(t, routes)
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}
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func TestTreeCatchAllConflictRoot(t *testing.T) {
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routes := []testRoute{
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{"/", false},
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{"/*filepath", true},
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}
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testRoutes(t, routes)
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}
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func TestTreeDoubleWildcard(t *testing.T) {
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const panicMsg = "only one wildcard per path segment is allowed"
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routes := [...]string{
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"/:foo:bar",
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"/:foo:bar/",
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"/:foo*bar",
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}
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for _, route := range routes {
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tree := &node{}
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recv := catchPanic(func() {
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tree.addRoute(route, nil)
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})
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if rs, ok := recv.(string); !ok || !strings.HasPrefix(rs, panicMsg) {
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t.Fatalf(`"Expected panic "%s" for route '%s', got "%v"`, panicMsg, route, recv)
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}
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}
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}
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/*func TestTreeDuplicateWildcard(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/:id/:name/:id",
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}
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for _, route := range routes {
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...
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}
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}*/
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func TestTreeTrailingSlashRedirect(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/hi",
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"/b/",
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"/search/:query",
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"/cmd/:tool/",
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"/src/*filepath",
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"/x",
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"/x/y",
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"/y/",
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"/y/z",
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"/0/:id",
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"/0/:id/1",
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"/1/:id/",
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"/1/:id/2",
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"/aa",
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"/a/",
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"/doc",
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"/doc/go_faq.html",
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"/doc/go1.html",
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"/no/a",
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"/no/b",
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"/api/hello/:name",
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}
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for _, route := range routes {
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recv := catchPanic(func() {
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tree.addRoute(route, fakeHandler(route))
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})
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if recv != nil {
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t.Fatalf("panic inserting route '%s': %v", route, recv)
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}
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}
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//printChildren(tree, "")
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tsrRoutes := [...]string{
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"/hi/",
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"/b",
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"/search/gopher/",
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"/cmd/vet",
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"/src",
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"/x/",
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"/y",
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"/0/go/",
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"/1/go",
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"/a",
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"/doc/",
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}
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for _, route := range tsrRoutes {
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handler, _, tsr := tree.getValue(route)
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if handler != nil {
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t.Fatalf("non-nil handler for TSR route '%s", route)
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} else if !tsr {
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t.Errorf("expected TSR recommendation for route '%s'", route)
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}
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}
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noTsrRoutes := [...]string{
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"/",
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"/no",
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"/no/",
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"/_",
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"/_/",
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"/api/world/abc",
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}
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for _, route := range noTsrRoutes {
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handler, _, tsr := tree.getValue(route)
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if handler != nil {
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t.Fatalf("non-nil handler for No-TSR route '%s", route)
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} else if tsr {
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t.Errorf("expected no TSR recommendation for route '%s'", route)
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}
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}
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}
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func TestTreeFindCaseInsensitivePath(t *testing.T) {
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tree := &node{}
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routes := [...]string{
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"/hi",
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"/b/",
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"/ABC/",
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"/search/:query",
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"/cmd/:tool/",
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"/src/*filepath",
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"/x",
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"/x/y",
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"/y/",
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"/y/z",
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"/0/:id",
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"/0/:id/1",
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"/1/:id/",
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"/1/:id/2",
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"/aa",
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"/a/",
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"/doc",
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"/doc/go_faq.html",
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"/doc/go1.html",
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"/doc/go/away",
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"/no/a",
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"/no/b",
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}
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for _, route := range routes {
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recv := catchPanic(func() {
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tree.addRoute(route, fakeHandler(route))
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})
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if recv != nil {
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t.Fatalf("panic inserting route '%s': %v", route, recv)
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}
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}
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// Check out == in for all registered routes
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// With fixTrailingSlash = true
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for _, route := range routes {
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out, found := tree.findCaseInsensitivePath(route, true)
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if !found {
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t.Errorf("Route '%s' not found!", route)
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} else if string(out) != route {
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t.Errorf("Wrong result for route '%s': %s", route, string(out))
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}
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}
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// With fixTrailingSlash = false
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for _, route := range routes {
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out, found := tree.findCaseInsensitivePath(route, false)
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if !found {
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t.Errorf("Route '%s' not found!", route)
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} else if string(out) != route {
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t.Errorf("Wrong result for route '%s': %s", route, string(out))
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}
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}
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tests := []struct {
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in string
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out string
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found bool
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slash bool
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}{
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{"/HI", "/hi", true, false},
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{"/HI/", "/hi", true, true},
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{"/B", "/b/", true, true},
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{"/B/", "/b/", true, false},
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{"/abc", "/ABC/", true, true},
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{"/abc/", "/ABC/", true, false},
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{"/aBc", "/ABC/", true, true},
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{"/aBc/", "/ABC/", true, false},
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{"/abC", "/ABC/", true, true},
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{"/abC/", "/ABC/", true, false},
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{"/SEARCH/QUERY", "/search/QUERY", true, false},
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{"/SEARCH/QUERY/", "/search/QUERY", true, true},
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{"/CMD/TOOL/", "/cmd/TOOL/", true, false},
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{"/CMD/TOOL", "/cmd/TOOL/", true, true},
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{"/SRC/FILE/PATH", "/src/FILE/PATH", true, false},
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{"/x/Y", "/x/y", true, false},
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{"/x/Y/", "/x/y", true, true},
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{"/X/y", "/x/y", true, false},
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{"/X/y/", "/x/y", true, true},
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{"/X/Y", "/x/y", true, false},
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{"/X/Y/", "/x/y", true, true},
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{"/Y/", "/y/", true, false},
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{"/Y", "/y/", true, true},
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{"/Y/z", "/y/z", true, false},
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{"/Y/z/", "/y/z", true, true},
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{"/Y/Z", "/y/z", true, false},
|
||
{"/Y/Z/", "/y/z", true, true},
|
||
{"/y/Z", "/y/z", true, false},
|
||
{"/y/Z/", "/y/z", true, true},
|
||
{"/Aa", "/aa", true, false},
|
||
{"/Aa/", "/aa", true, true},
|
||
{"/AA", "/aa", true, false},
|
||
{"/AA/", "/aa", true, true},
|
||
{"/aA", "/aa", true, false},
|
||
{"/aA/", "/aa", true, true},
|
||
{"/A/", "/a/", true, false},
|
||
{"/A", "/a/", true, true},
|
||
{"/DOC", "/doc", true, false},
|
||
{"/DOC/", "/doc", true, true},
|
||
{"/NO", "", false, true},
|
||
{"/DOC/GO", "", false, true},
|
||
}
|
||
// With fixTrailingSlash = true
|
||
for _, test := range tests {
|
||
out, found := tree.findCaseInsensitivePath(test.in, true)
|
||
if found != test.found || (found && (string(out) != test.out)) {
|
||
t.Errorf("Wrong result for '%s': got %s, %t; want %s, %t",
|
||
test.in, string(out), found, test.out, test.found)
|
||
return
|
||
}
|
||
}
|
||
// With fixTrailingSlash = false
|
||
for _, test := range tests {
|
||
out, found := tree.findCaseInsensitivePath(test.in, false)
|
||
if test.slash {
|
||
if found { // test needs a trailingSlash fix. It must not be found!
|
||
t.Errorf("Found without fixTrailingSlash: %s; got %s", test.in, string(out))
|
||
}
|
||
} else {
|
||
if found != test.found || (found && (string(out) != test.out)) {
|
||
t.Errorf("Wrong result for '%s': got %s, %t; want %s, %t",
|
||
test.in, string(out), found, test.out, test.found)
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
func TestTreeInvalidNodeType(t *testing.T) {
|
||
const panicMsg = "invalid node type"
|
||
|
||
tree := &node{}
|
||
tree.addRoute("/", fakeHandler("/"))
|
||
tree.addRoute("/:page", fakeHandler("/:page"))
|
||
|
||
// set invalid node type
|
||
tree.children[0].nType = 42
|
||
|
||
// normal lookup
|
||
recv := catchPanic(func() {
|
||
tree.getValue("/test")
|
||
})
|
||
if rs, ok := recv.(string); !ok || rs != panicMsg {
|
||
t.Fatalf("Expected panic '"+panicMsg+"', got '%v'", recv)
|
||
}
|
||
|
||
// case-insensitive lookup
|
||
recv = catchPanic(func() {
|
||
tree.findCaseInsensitivePath("/test", true)
|
||
})
|
||
if rs, ok := recv.(string); !ok || rs != panicMsg {
|
||
t.Fatalf("Expected panic '"+panicMsg+"', got '%v'", recv)
|
||
}
|
||
}
|