packer-cn/packer/rpc/build_test.go

138 lines
3.0 KiB
Go

package rpc
import (
"cgl.tideland.biz/asserts"
"errors"
"github.com/mitchellh/packer/packer"
"net/rpc"
"testing"
)
var testBuildArtifact = &testArtifact{}
type testBuild struct {
nameCalled bool
prepareCalled bool
prepareVars map[string]string
runCalled bool
runCache packer.Cache
runUi packer.Ui
setDebugCalled bool
setForceCalled bool
cancelCalled bool
errRunResult bool
}
func (b *testBuild) Name() string {
b.nameCalled = true
return "name"
}
func (b *testBuild) Prepare(v map[string]string) error {
b.prepareCalled = true
b.prepareVars = v
return nil
}
func (b *testBuild) Run(ui packer.Ui, cache packer.Cache) ([]packer.Artifact, error) {
b.runCalled = true
b.runCache = cache
b.runUi = ui
if b.errRunResult {
return nil, errors.New("foo")
} else {
return []packer.Artifact{testBuildArtifact}, nil
}
}
func (b *testBuild) SetDebug(bool) {
b.setDebugCalled = true
}
func (b *testBuild) SetForce(bool) {
b.setForceCalled = true
}
func (b *testBuild) Cancel() {
b.cancelCalled = true
}
func TestBuildRPC(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
// Create the interface to test
b := new(testBuild)
// Start the server
server := rpc.NewServer()
RegisterBuild(server, b)
address := serveSingleConn(server)
// Create the client over RPC and run some methods to verify it works
client, err := rpc.Dial("tcp", address)
assert.Nil(err, "should be able to connect")
bClient := Build(client)
// Test Name
bClient.Name()
assert.True(b.nameCalled, "name should be called")
// Test Prepare
bClient.Prepare(map[string]string{"foo": "bar"})
assert.True(b.prepareCalled, "prepare should be called")
if len(b.prepareVars) != 1 {
t.Fatalf("bad vars: %#v", b.prepareVars)
}
if b.prepareVars["foo"] != "bar" {
t.Fatalf("bad vars: %#v", b.prepareVars)
}
// Test Run
cache := new(testCache)
ui := new(testUi)
artifacts, err := bClient.Run(ui, cache)
assert.True(b.runCalled, "run should be called")
assert.Nil(err, "should not error")
assert.Equal(len(artifacts), 1, "should have one artifact")
assert.Equal(artifacts[0].BuilderId(), "bid", "should have proper builder id")
// Test the UI given to run, which should be fully functional
if b.runCalled {
b.runCache.Lock("foo")
assert.True(cache.lockCalled, "lock should be called")
b.runUi.Say("format")
assert.True(ui.sayCalled, "say should be called")
assert.Equal(ui.sayMessage, "format", "message should be correct")
}
// Test run with an error
b.errRunResult = true
_, err = bClient.Run(ui, cache)
assert.NotNil(err, "should not nil")
// Test SetDebug
bClient.SetDebug(true)
assert.True(b.setDebugCalled, "should be called")
// Test SetForce
bClient.SetForce(true)
assert.True(b.setForceCalled, "should be called")
// Test Cancel
bClient.Cancel()
assert.True(b.cancelCalled, "cancel should be called")
}
func TestBuild_ImplementsBuild(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
var realBuild packer.Build
b := Build(nil)
assert.Implementor(b, &realBuild, "should be a Build")
}