/
router_test.go
373 lines (340 loc) · 12 KB
/
router_test.go
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// Copyright 2013 tsuru 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 router
import (
"context"
"errors"
"github.com/tsuru/config"
"github.com/tsuru/tsuru/servicemanager"
"github.com/tsuru/tsuru/types/router"
check "gopkg.in/check.v1"
)
func (s *S) TestRegisterAndGet(c *check.C) {
var r Router
var getters []ConfigGetter
var names []string
routerCreator := func(name string, config ConfigGetter) (Router, error) {
names = append(names, name)
getters = append(getters, config)
return r, nil
}
Register("router", routerCreator)
config.Set("routers:mine:type", "router")
defer config.Unset("routers:mine")
got, err := Get(context.TODO(), "mine")
c.Assert(err, check.IsNil)
c.Assert(r, check.DeepEquals, got)
c.Assert(names, check.DeepEquals, []string{"mine"})
c.Assert(getters, check.HasLen, 1)
getterType, err := getters[0].GetString("type")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "router")
_, err = Get(context.TODO(), "unknown-router")
c.Assert(err, check.DeepEquals, &ErrRouterNotFound{Name: "unknown-router"})
config.Set("routers:mine-unknown:type", "unknown")
defer config.Unset("routers:mine-unknown")
_, err = Get(context.TODO(), "mine-unknown")
c.Assert(err, check.Not(check.IsNil))
c.Assert(`unknown router: "unknown".`, check.Equals, err.Error())
}
func (s *S) TestRegisterAndGetWithPlanRouter(c *check.C) {
var r Router
var getters []ConfigGetter
var names []string
routerCreator := func(name string, config ConfigGetter) (Router, error) {
names = append(names, name)
getters = append(getters, config)
return r, nil
}
Register("router", routerCreator)
config.Set("routers:mine:type", "router")
defer config.Unset("routers:mine")
got, gotPlanRouter, err := GetWithPlanRouter(context.TODO(), "mine")
c.Assert(err, check.IsNil)
c.Assert(r, check.DeepEquals, got)
c.Assert(names, check.DeepEquals, []string{"mine"})
c.Assert(gotPlanRouter, check.DeepEquals, router.PlanRouter{
Name: "mine",
Type: "router",
})
c.Assert(getters, check.HasLen, 1)
getterType, err := getters[0].GetString("type")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "router")
_, err = Get(context.TODO(), "unknown-router")
c.Assert(err, check.DeepEquals, &ErrRouterNotFound{Name: "unknown-router"})
config.Set("routers:mine-unknown:type", "unknown")
defer config.Unset("routers:mine-unknown")
_, err = Get(context.TODO(), "mine-unknown")
c.Assert(err, check.Not(check.IsNil))
c.Assert(`unknown router: "unknown".`, check.Equals, err.Error())
}
func (s *S) TestRegisterAndType(c *check.C) {
config.Set("routers:mine:type", "myrouter")
defer config.Unset("routers:mine")
rType, prefix, err := configType("mine")
c.Assert(err, check.IsNil)
c.Assert(rType, check.Equals, "myrouter")
c.Assert(prefix, check.Equals, "routers:mine")
_, err = Get(context.TODO(), "unknown-router")
c.Assert(err, check.DeepEquals, &ErrRouterNotFound{Name: "unknown-router"})
}
func (s *S) TestRegisterAndGetCustomNamedRouter(c *check.C) {
var names []string
var getters []ConfigGetter
routerCreator := func(name string, config ConfigGetter) (Router, error) {
names = append(names, name)
getters = append(getters, config)
var r Router
return r, nil
}
Register("myrouter", routerCreator)
config.Set("routers:inst1:type", "myrouter")
config.Set("routers:inst2:type", "myrouter")
defer config.Unset("routers:inst1:type")
defer config.Unset("routers:inst2:type")
_, err := Get(context.TODO(), "inst1")
c.Assert(err, check.IsNil)
_, err = Get(context.TODO(), "inst2")
c.Assert(err, check.IsNil)
c.Assert(names, check.DeepEquals, []string{"inst1", "inst2"})
c.Assert(getters, check.HasLen, 2)
getterType, err := getters[0].GetString("type")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "myrouter")
getterType, err = getters[1].GetString("type")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "myrouter")
}
func (s *S) TestGetDynamicRouter(c *check.C) {
var names []string
var getters []ConfigGetter
routerCreator := func(name string, config ConfigGetter) (Router, error) {
names = append(names, name)
getters = append(getters, config)
var r Router
return r, nil
}
Register("myrouter", routerCreator)
config.Set("routers:inst1:type", "myrouter")
config.Set("routers:inst1:cfg1", "v1")
defer config.Unset("routers:inst1")
err := servicemanager.DynamicRouter.Create(context.TODO(), router.DynamicRouter{
Name: "inst2",
Type: "myrouter",
Config: map[string]interface{}{
"cfg1": "v2",
},
})
c.Assert(err, check.IsNil)
_, planRouter1, err := GetWithPlanRouter(context.TODO(), "inst1")
c.Assert(err, check.IsNil)
c.Assert(planRouter1, check.DeepEquals, router.PlanRouter{
Name: "inst1",
Type: "myrouter",
Config: map[string]interface{}{"cfg1": "v1"},
})
_, planRouter2, err := GetWithPlanRouter(context.TODO(), "inst2")
c.Assert(err, check.IsNil)
c.Assert(planRouter2, check.DeepEquals, router.PlanRouter{
Name: "inst2",
Type: "myrouter",
Config: map[string]interface{}{"cfg1": "v2"},
Dynamic: true,
})
c.Assert(names, check.DeepEquals, []string{"inst1", "inst2"})
c.Assert(getters, check.HasLen, 2)
getterType, err := getters[0].GetString("cfg1")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "v1")
getterType, err = getters[1].GetString("cfg1")
c.Assert(err, check.IsNil)
c.Assert(getterType, check.Equals, "v2")
}
func (s *S) TestDefault(c *check.C) {
defer config.Unset("routers")
config.Set("routers:fake:type", "fake")
config.Set("routers:fake2:type", "fake")
config.Set("routers:fake2:default", true)
d, err := Default(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(d, check.Equals, "fake2")
}
func (s *S) TestDefaultNoRouter(c *check.C) {
d, err := Default(context.TODO())
c.Assert(err, check.NotNil)
c.Assert(d, check.Equals, "")
}
func (s *S) TestDefaultNoRouterMultipleRouters(c *check.C) {
defer config.Unset("routers")
config.Set("routers:fake:type", "fake")
config.Set("routers:fake2:type", "fake")
d, err := Default(context.TODO())
c.Assert(err, check.NotNil)
c.Assert(d, check.Equals, "")
}
func (s *S) TestDefaultSingleRouter(c *check.C) {
defer config.Unset("routers")
config.Set("routers:fake:type", "fake")
d, err := Default(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(d, check.Equals, "fake")
}
func (s *S) TestStore(c *check.C) {
err := Store("appname", "routername", "fake")
c.Assert(err, check.IsNil)
name, err := Retrieve("appname")
c.Assert(err, check.IsNil)
c.Assert(name, check.Equals, "routername")
err = Remove("appname")
c.Assert(err, check.IsNil)
_, err = Retrieve("appname")
c.Assert(err, check.Equals, ErrBackendNotFound)
}
func (s *S) TestStoreUpdatesEntry(c *check.C) {
err := Store("appname", "routername", "fake")
c.Assert(err, check.IsNil)
err = Store("appname", "routername2", "fake2")
c.Assert(err, check.IsNil)
name, err := Retrieve("appname")
c.Assert(err, check.IsNil)
c.Assert(name, check.Equals, "routername2")
data, err := retrieveRouterData("appname")
c.Assert(err, check.IsNil)
data.ID = ""
c.Assert(data, check.DeepEquals, routerAppEntry{
App: "appname",
Router: "routername2",
Kind: "fake2",
})
err = Remove("appname")
c.Assert(err, check.IsNil)
_, err = Retrieve("appname")
c.Assert(err, check.Equals, ErrBackendNotFound)
}
func (s *S) TestRetireveNotFound(c *check.C) {
name, err := Retrieve("notfound")
c.Assert(err, check.Not(check.IsNil))
c.Assert("", check.Equals, name)
}
func (s *S) TestSwapBackendName(c *check.C) {
err := Store("appname", "routername", "fake")
c.Assert(err, check.IsNil)
defer Remove("appname")
err = Store("appname2", "routername2", "fake")
c.Assert(err, check.IsNil)
defer Remove("appname2")
err = swapBackendName("appname", "appname2")
c.Assert(err, check.IsNil)
name, err := Retrieve("appname")
c.Assert(err, check.IsNil)
c.Assert(name, check.Equals, "routername2")
name, err = Retrieve("appname2")
c.Assert(err, check.IsNil)
c.Assert(name, check.Equals, "routername")
}
func (s *S) TestList(c *check.C) {
config.Set("routers:router1:type", "foo")
config.Set("routers:router2:type", "bar")
config.Set("routers:router2:default", true)
defer config.Unset("routers:router1")
defer config.Unset("routers:router2")
expected := []router.PlanRouter{
{Name: "router1", Type: "foo", Default: false},
{Name: "router2", Type: "bar", Default: true},
}
routers, err := List(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(routers, check.DeepEquals, expected)
}
func (s *S) TestListIncludesDynamic(c *check.C) {
config.Set("routers:router1:type", "foo")
config.Set("routers:router2:type", "bar")
config.Set("routers:router2:cfg1", "aaa")
defer config.Unset("routers:router1")
defer config.Unset("routers:router2")
Register("myrouter", func(name string, config ConfigGetter) (Router, error) {
return nil, nil
})
err := servicemanager.DynamicRouter.Create(context.TODO(), router.DynamicRouter{
Name: "router-dyn",
Type: "myrouter",
Config: map[string]interface{}{
"mycfg": "zzz",
},
})
c.Assert(err, check.IsNil)
expected := []router.PlanRouter{
{Name: "router-dyn", Type: "myrouter", Dynamic: true, Config: map[string]interface{}{"mycfg": "zzz"}},
{Name: "router1", Type: "foo"},
{Name: "router2", Type: "bar", Config: map[string]interface{}{"cfg1": "aaa"}},
}
routers, err := List(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(routers, check.DeepEquals, expected)
}
type testInfoRouter struct{ Router }
var _ InfoRouter = &testInfoRouter{}
func (r *testInfoRouter) GetInfo(ctx context.Context) (map[string]string, error) {
return map[string]string{"her": "amaat"}, nil
}
type testInfoErrRouter struct{ Router }
var _ InfoRouter = &testInfoErrRouter{}
func (r *testInfoErrRouter) GetInfo(ctx context.Context) (map[string]string, error) {
return nil, errors.New("error getting router info")
}
func (s *S) TestListWithInfo(c *check.C) {
config.Set("routers:router1:type", "foo")
config.Set("routers:router2:type", "bar")
config.Set("routers:router2:default", true)
defer config.Unset("routers:router1")
defer config.Unset("routers:router2")
fooCreator := func(name string, config ConfigGetter) (Router, error) {
return &testInfoRouter{}, nil
}
Register("foo", fooCreator)
Register("bar", fooCreator)
expected := []router.PlanRouter{
{Name: "router1", Type: "foo", Info: map[string]string{"her": "amaat"}, Default: false},
{Name: "router2", Type: "bar", Info: map[string]string{"her": "amaat"}, Default: true},
}
routers, err := ListWithInfo(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(routers, check.DeepEquals, expected)
}
func (s *S) TestListWithInfoError(c *check.C) {
config.Set("routers:router1:type", "foo")
config.Set("routers:router2:type", "bar")
config.Set("routers:router2:default", true)
config.Set("routers:router3:type", "baz")
defer config.Unset("routers:router1")
defer config.Unset("routers:router2")
defer config.Unset("routers:router3")
fooCreator := func(name string, config ConfigGetter) (Router, error) {
return &testInfoRouter{}, nil
}
barCreator := func(name string, config ConfigGetter) (Router, error) {
return &testInfoErrRouter{}, nil
}
bazCreator := func(name string, config ConfigGetter) (Router, error) {
return nil, errors.New("create error")
}
Register("foo", fooCreator)
Register("bar", barCreator)
Register("baz", bazCreator)
expected := []router.PlanRouter{
{Name: "router1", Type: "foo", Info: map[string]string{"her": "amaat"}, Default: false},
{Name: "router2", Type: "bar", Info: map[string]string{"error": "error getting router info"}, Default: true},
{Name: "router3", Type: "baz", Info: map[string]string{"error": "create error"}, Default: false},
}
routers, err := ListWithInfo(context.TODO())
c.Assert(err, check.IsNil)
c.Assert(routers, check.DeepEquals, expected)
}
func (s *S) TestRouteError(c *check.C) {
err := &RouterError{Op: "add", Err: errors.New("Fatal error.")}
c.Assert(err.Error(), check.Equals, "[router add] Fatal error.")
err = &RouterError{Op: "del", Err: errors.New("Fatal error.")}
c.Assert(err.Error(), check.Equals, "[router del] Fatal error.")
}