Added unit tests for the deployer trat #255
diff --git a/pkg/trait/deployer_test.go b/pkg/trait/deployer_test.go
new file mode 100644
index 0000000..6d27f89
--- /dev/null
+++ b/pkg/trait/deployer_test.go
@@ -0,0 +1,94 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package trait
+
+import (
+	"context"
+	"testing"
+
+	v1 "github.com/apache/camel-k/pkg/apis/camel/v1"
+	"github.com/stretchr/testify/assert"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func TestConfigureDeployerTraitDoesSucceed(t *testing.T) {
+	deployerTrait, environment := createNominalDeployerTest()
+
+	configured, err := deployerTrait.Configure(environment)
+
+	assert.True(t, configured)
+	assert.Nil(t, err)
+}
+
+func TestConfigureDeployerTraitInWrongPhaseDoesNotSucceed(t *testing.T) {
+	deployerTrait, environment := createNominalDeployerTest()
+	environment.Integration.Status.Phase = v1.IntegrationPhaseResolvingKit
+
+	configured, err := deployerTrait.Configure(environment)
+
+	assert.False(t, configured)
+	assert.Nil(t, err)
+}
+
+func TestApplyDeployerTraitDoesSucceed(t *testing.T) {
+	deployerTrait, environment := createNominalDeployerTest()
+
+	err := deployerTrait.Apply(environment)
+
+	assert.Nil(t, err)
+	assert.Len(t, environment.PostActions, 1)
+}
+
+func TestApplyDeployerTraitInInitializationPhaseDoesSucceed(t *testing.T) {
+	deployerTrait, environment := createNominalDeployerTest()
+	environment.Integration.Status.Phase = v1.IntegrationPhaseInitialization
+
+	err := deployerTrait.Apply(environment)
+
+	assert.Nil(t, err)
+	assert.Len(t, environment.PostActions, 1)
+}
+
+func TestApplyDeployerTraitInResolvingKitPhaseSkipPostActions(t *testing.T) {
+	deployerTrait, environment := createNominalDeployerTest()
+	environment.Integration.Status.Phase = v1.IntegrationPhaseResolvingKit
+
+	err := deployerTrait.Apply(environment)
+
+	assert.Nil(t, err)
+	assert.Len(t, environment.PostActions, 0)
+}
+
+func createNominalDeployerTest() (*deployerTrait, *Environment) {
+	trait := newDeployerTrait()
+
+	environment := &Environment{
+		Catalog: NewCatalog(context.TODO(), nil),
+		Integration: &v1.Integration{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "integration-name",
+			},
+			Status: v1.IntegrationStatus{
+				Phase: v1.IntegrationPhaseRunning,
+			},
+		},
+	}
+
+	return trait, environment
+}