packer/rpc: tests green from new BuilderFactory changes

This commit is contained in:
Mitchell Hashimoto 2013-05-05 14:50:27 -07:00
parent 14c568a9d2
commit a6aafde00e
5 changed files with 0 additions and 143 deletions

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@ -1,46 +0,0 @@
package rpc
import (
"github.com/mitchellh/packer/packer"
"net/rpc"
)
// An implementation of packer.BuilderFactory where the factory is actually
// executed over an RPC connection.
type BuilderFactory struct {
client *rpc.Client
}
// BuilderFactoryServer wraps a packer.BuilderFactory and makes it exportable
// as part of a Golang RPC server.
type BuilderFactoryServer struct {
bf packer.BuilderFactory
}
type BuilderFactoryCreateArgs struct {
Name string
}
func (b *BuilderFactory) CreateBuilder(name string) packer.Builder {
var reply string
b.client.Call("BuilderFactory.CreateBuilder", &BuilderFactoryCreateArgs{name}, &reply)
// TODO: error handling
client, _ := rpc.Dial("tcp", reply)
return &Builder{client}
}
func (b *BuilderFactoryServer) CreateBuilder(args *BuilderFactoryCreateArgs, reply *string) error {
// Get the actual builder response
builder := b.bf.CreateBuilder(args.Name)
// Now we wrap that back up into a server, and send it on backwards.
server := NewServer()
server.RegisterBuilder(builder)
server.StartSingle()
// Set the reply to the address of the sever
*reply = server.Address()
return nil
}

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@ -1,58 +0,0 @@
package rpc
import (
"cgl.tideland.biz/asserts"
"github.com/mitchellh/packer/packer"
"net/rpc"
"testing"
)
var createResult = &testBuilder{}
type testBuilderFactory struct {
createCalled bool
createName string
}
func (b *testBuilderFactory) CreateBuilder(name string) packer.Builder {
b.createCalled = true
b.createName = name
return createResult
}
func TestBuilderFactoryRPC(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
// Create the interface to test
b := new(testBuilderFactory)
// Start the server
server := NewServer()
server.RegisterBuilderFactory(b)
server.Start()
defer server.Stop()
// Create the client over RPC and run some methods to verify it works
client, err := rpc.Dial("tcp", server.Address())
assert.Nil(err, "should be able to connect")
// Test Create
name := "foo"
bClient := &BuilderFactory{client}
builder := bClient.CreateBuilder(name)
assert.True(b.createCalled, "create should be called")
assert.Equal(b.createName, "foo", "name should be foo")
builder.Prepare(42)
assert.True(createResult.prepareCalled, "prepare should be called")
assert.Equal(createResult.prepareConfig, 42, "42 should be config")
}
func TestBuilderFactory_ImplementsBuilderFactory(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
var realVar packer.BuilderFactory
b := &BuilderFactory{nil}
assert.Implementor(b, &realVar, "should be a BuilderFactory")
}

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@ -21,15 +21,6 @@ type EnvironmentCliArgs struct {
Args []string Args []string
} }
func (e *Environment) BuilderFactory() packer.BuilderFactory {
var reply string
e.client.Call("Environment.BuilderFactory", new(interface{}), &reply)
// TODO: error handling
client, _ := rpc.Dial("tcp", reply)
return &BuilderFactory{client}
}
func (e *Environment) Cli(args []string) (result int) { func (e *Environment) Cli(args []string) (result int) {
rpcArgs := &EnvironmentCliArgs{args} rpcArgs := &EnvironmentCliArgs{args}
e.client.Call("Environment.Cli", rpcArgs, &result) e.client.Call("Environment.Cli", rpcArgs, &result)
@ -45,18 +36,6 @@ func (e *Environment) Ui() packer.Ui {
return &Ui{client} return &Ui{client}
} }
func (e *EnvironmentServer) BuilderFactory(args *interface{}, reply *string) error {
bf := e.env.BuilderFactory()
// Wrap that up into a server, and server a single connection back
server := NewServer()
server.RegisterBuilderFactory(bf)
server.StartSingle()
*reply = server.Address()
return nil
}
func (e *EnvironmentServer) Cli(args *EnvironmentCliArgs, reply *int) error { func (e *EnvironmentServer) Cli(args *EnvironmentCliArgs, reply *int) error {
*reply = e.env.Cli(args.Args) *reply = e.env.Cli(args.Args)
return nil return nil

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@ -7,7 +7,6 @@ import (
"testing" "testing"
) )
var testEnvBF = &testBuilderFactory{}
var testEnvUi = &testUi{} var testEnvUi = &testUi{}
type testEnvironment struct { type testEnvironment struct {
@ -17,11 +16,6 @@ type testEnvironment struct {
uiCalled bool uiCalled bool
} }
func (e *testEnvironment) BuilderFactory() packer.BuilderFactory {
e.bfCalled = true
return testEnvBF
}
func (e *testEnvironment) Cli(args []string) int { func (e *testEnvironment) Cli(args []string) int {
e.cliCalled = true e.cliCalled = true
e.cliArgs = args e.cliArgs = args
@ -48,15 +42,7 @@ func TestEnvironmentRPC(t *testing.T) {
// Create the client over RPC and run some methods to verify it works // Create the client over RPC and run some methods to verify it works
client, err := rpc.Dial("tcp", server.Address()) client, err := rpc.Dial("tcp", server.Address())
assert.Nil(err, "should be able to connect") assert.Nil(err, "should be able to connect")
// Test BuilderFactory
eClient := &Environment{client} eClient := &Environment{client}
bf := eClient.BuilderFactory()
assert.True(e.bfCalled, "BuilderFactory should be called")
// Test calls on the factory
_ = bf.CreateBuilder("foo")
assert.True(testEnvBF.createCalled, "create should be called on BF")
// Test Cli // Test Cli
cliArgs := []string{"foo", "bar"} cliArgs := []string{"foo", "bar"}

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@ -37,10 +37,6 @@ func (s *Server) RegisterBuilder(b packer.Builder) {
s.server.RegisterName("Builder", &BuilderServer{b}) s.server.RegisterName("Builder", &BuilderServer{b})
} }
func (s *Server) RegisterBuilderFactory(b packer.BuilderFactory) {
s.server.RegisterName("BuilderFactory", &BuilderFactoryServer{b})
}
func (s *Server) RegisterCommand(c packer.Command) { func (s *Server) RegisterCommand(c packer.Command) {
s.server.RegisterName("Command", &ServerCommand{c}) s.server.RegisterName("Command", &ServerCommand{c})
} }