traefik/rules/rules_test.go
2018-11-14 10:18:03 +01:00

333 lines
8.7 KiB
Go

package rules
import (
"net/http"
"net/url"
"testing"
"github.com/containous/mux"
"github.com/containous/traefik/old/middlewares"
"github.com/containous/traefik/old/types"
"github.com/containous/traefik/testhelpers"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestParseOneRule(t *testing.T) {
reqHostMid := &middlewares.RequestHost{}
rules := &Rules{
Route: &types.ServerRoute{
Route: mux.NewRouter().NewRoute(),
},
}
expression := "Host:foo.bar"
routeResult, err := rules.Parse(expression)
require.NoError(t, err, "Error while building route for %s", expression)
request := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar", nil)
reqHostMid.ServeHTTP(nil, request, func(w http.ResponseWriter, r *http.Request) {
routeMatch := routeResult.Match(r, &mux.RouteMatch{Route: routeResult})
assert.True(t, routeMatch, "Rule %s don't match.", expression)
})
}
func TestParseTwoRules(t *testing.T) {
reqHostMid := &middlewares.RequestHost{}
rules := &Rules{
Route: &types.ServerRoute{
Route: mux.NewRouter().NewRoute(),
},
}
expression := "Host: Foo.Bar ; Path:/FOObar"
routeResult, err := rules.Parse(expression)
require.NoError(t, err, "Error while building route for %s.", expression)
request := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/foobar", nil)
reqHostMid.ServeHTTP(nil, request, func(w http.ResponseWriter, r *http.Request) {
routeMatch := routeResult.Match(r, &mux.RouteMatch{Route: routeResult})
assert.False(t, routeMatch, "Rule %s don't match.", expression)
})
request = testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/FOObar", nil)
reqHostMid.ServeHTTP(nil, request, func(w http.ResponseWriter, r *http.Request) {
routeMatch := routeResult.Match(r, &mux.RouteMatch{Route: routeResult})
assert.True(t, routeMatch, "Rule %s don't match.", expression)
})
}
func TestParseDomains(t *testing.T) {
rules := &Rules{}
tests := []struct {
description string
expression string
domain []string
errorExpected bool
}{
{
description: "Many host rules",
expression: "Host:foo.bar,test.bar",
domain: []string{"foo.bar", "test.bar"},
errorExpected: false,
},
{
description: "No host rule",
expression: "Path:/test",
errorExpected: false,
},
{
description: "Host rule and another rule",
expression: "Host:foo.bar;Path:/test",
domain: []string{"foo.bar"},
errorExpected: false,
},
{
description: "Host rule to trim and another rule",
expression: "Host: Foo.Bar ;Path:/test",
domain: []string{"foo.bar"},
errorExpected: false,
},
{
description: "Host rule with no domain",
expression: "Host: ;Path:/test",
errorExpected: true,
},
}
for _, test := range tests {
test := test
t.Run(test.expression, func(t *testing.T) {
t.Parallel()
domains, err := rules.ParseDomains(test.expression)
if test.errorExpected {
require.Errorf(t, err, "unable to parse correctly the domains in the Host rule from %q", test.expression)
} else {
require.NoError(t, err, "%s: Error while parsing domain.", test.expression)
}
assert.EqualValues(t, test.domain, domains, "%s: Error parsing domains from expression.", test.expression)
})
}
}
func TestPriorities(t *testing.T) {
router := mux.NewRouter()
router.StrictSlash(true)
rules := &Rules{Route: &types.ServerRoute{Route: router.NewRoute()}}
expression01 := "PathPrefix:/foo"
routeFoo, err := rules.Parse(expression01)
require.NoError(t, err, "Error while building route for %s", expression01)
fooHandler := &fakeHandler{name: "fooHandler"}
routeFoo.Handler(fooHandler)
routeMatch := router.Match(&http.Request{URL: &url.URL{Path: "/foo"}}, &mux.RouteMatch{})
assert.True(t, routeMatch, "Error matching route")
routeMatch = router.Match(&http.Request{URL: &url.URL{Path: "/fo"}}, &mux.RouteMatch{})
assert.False(t, routeMatch, "Error matching route")
multipleRules := &Rules{Route: &types.ServerRoute{Route: router.NewRoute()}}
expression02 := "PathPrefix:/foobar"
routeFoobar, err := multipleRules.Parse(expression02)
require.NoError(t, err, "Error while building route for %s", expression02)
foobarHandler := &fakeHandler{name: "foobarHandler"}
routeFoobar.Handler(foobarHandler)
routeMatch = router.Match(&http.Request{URL: &url.URL{Path: "/foo"}}, &mux.RouteMatch{})
assert.True(t, routeMatch, "Error matching route")
fooMatcher := &mux.RouteMatch{}
routeMatch = router.Match(&http.Request{URL: &url.URL{Path: "/foobar"}}, fooMatcher)
assert.True(t, routeMatch, "Error matching route")
assert.NotEqual(t, fooMatcher.Handler, foobarHandler, "Error matching priority")
assert.Equal(t, fooMatcher.Handler, fooHandler, "Error matching priority")
routeFoo.Priority(1)
routeFoobar.Priority(10)
router.SortRoutes()
foobarMatcher := &mux.RouteMatch{}
routeMatch = router.Match(&http.Request{URL: &url.URL{Path: "/foobar"}}, foobarMatcher)
assert.True(t, routeMatch, "Error matching route")
assert.Equal(t, foobarMatcher.Handler, foobarHandler, "Error matching priority")
assert.NotEqual(t, foobarMatcher.Handler, fooHandler, "Error matching priority")
}
func TestHostRegexp(t *testing.T) {
testCases := []struct {
desc string
hostExp string
urls map[string]bool
}{
{
desc: "capturing group",
hostExp: "{subdomain:(foo\\.)?bar\\.com}",
urls: map[string]bool{
"http://foo.bar.com": true,
"http://bar.com": true,
"http://fooubar.com": false,
"http://barucom": false,
"http://barcom": false,
},
},
{
desc: "non capturing group",
hostExp: "{subdomain:(?:foo\\.)?bar\\.com}",
urls: map[string]bool{
"http://foo.bar.com": true,
"http://bar.com": true,
"http://fooubar.com": false,
"http://barucom": false,
"http://barcom": false,
},
},
{
desc: "regex insensitive",
hostExp: "{dummy:[A-Za-z-]+\\.bar\\.com}",
urls: map[string]bool{
"http://FOO.bar.com": true,
"http://foo.bar.com": true,
"http://fooubar.com": false,
"http://barucom": false,
"http://barcom": false,
},
},
{
desc: "insensitive host",
hostExp: "{dummy:[a-z-]+\\.bar\\.com}",
urls: map[string]bool{
"http://FOO.bar.com": true,
"http://foo.bar.com": true,
"http://fooubar.com": false,
"http://barucom": false,
"http://barcom": false,
},
},
{
desc: "insensitive host simple",
hostExp: "foo.bar.com",
urls: map[string]bool{
"http://FOO.bar.com": true,
"http://foo.bar.com": true,
"http://fooubar.com": false,
"http://barucom": false,
"http://barcom": false,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
rls := &Rules{
Route: &types.ServerRoute{
Route: &mux.Route{},
},
}
rt := rls.hostRegexp(test.hostExp)
for testURL, match := range test.urls {
req := testhelpers.MustNewRequest(http.MethodGet, testURL, nil)
assert.Equal(t, match, rt.Match(req, &mux.RouteMatch{}), testURL)
}
})
}
}
func TestParseInvalidSyntax(t *testing.T) {
router := mux.NewRouter()
rules := &Rules{Route: &types.ServerRoute{Route: router.NewRoute()}}
expression01 := "Path: /path1;Query:param_one=true, /path2"
routeFoo, err := rules.Parse(expression01)
require.Error(t, err)
assert.Nil(t, routeFoo)
}
func TestPathPrefix(t *testing.T) {
testCases := []struct {
desc string
path string
urls map[string]bool
}{
{
desc: "leading slash",
path: "/bar",
urls: map[string]bool{
"http://foo.com/bar": true,
"http://foo.com/bar/": true,
},
},
{
desc: "leading trailing slash",
path: "/bar/",
urls: map[string]bool{
"http://foo.com/bar": false,
"http://foo.com/bar/": true,
},
},
{
desc: "no slash",
path: "bar",
urls: map[string]bool{
"http://foo.com/bar": false,
"http://foo.com/bar/": false,
},
},
{
desc: "trailing slash",
path: "bar/",
urls: map[string]bool{
"http://foo.com/bar": false,
"http://foo.com/bar/": false,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
rls := &Rules{
Route: &types.ServerRoute{
Route: &mux.Route{},
},
}
rt := rls.pathPrefix(test.path)
for testURL, expectedMatch := range test.urls {
req := testhelpers.MustNewRequest(http.MethodGet, testURL, nil)
match := rt.Match(req, &mux.RouteMatch{})
if match != expectedMatch {
t.Errorf("Error matching %s with %s, got %v expected %v", test.path, testURL, match, expectedMatch)
}
}
})
}
}
type fakeHandler struct {
name string
}
func (h *fakeHandler) ServeHTTP(http.ResponseWriter, *http.Request) {}