[WIP] [TEST] Testing the behaviour when primary container name is different to the one in basePodSpec

flyteplugins/go/tasks/pluginmachinery/flytek8s/pod_helper_test.go

@@ -2221,6 +2221,117 @@ func TestMergePodSpecs(t *testing.T) {
 	assert.Equal(t, defaultInitContainerTemplate.TerminationMessagePath, defaultInitContainer.TerminationMessagePath)
 }
 
+func TestMergePodSpecsPrimaryContainerName(t *testing.T) {
+
+	basePodSpec := v1.PodSpec{
+		Containers: []v1.Container{
+			v1.Container{
+				Name: "primary",
+				VolumeMounts: []v1.VolumeMount{
+					{
+						Name:      "nccl",
+						MountPath: "abc",
+					},
+				},
+				Env: []v1.EnvVar{
+					{Name: "EnvVar", Value: "EnvVal"},
+				},
+			},
+			v1.Container{
+				Name: "bar",
+			},
+		},
+		InitContainers: []v1.Container{
+			v1.Container{
+				Name: "primary-init",
+				VolumeMounts: []v1.VolumeMount{
+					{
+						Name:      "nccl",
+						MountPath: "abc",
+					},
+				},
+			},
+			v1.Container{
+				Name: "bar-init",
+			},
+		},
+		Tolerations: []v1.Toleration{
+			v1.Toleration{
+				Key: "bar",
+			},
+			v1.Toleration{
+				Key: "baz",
+			},
+		},
+	}
+
+	podSpec := v1.PodSpec{
+		Containers: []v1.Container{
+			v1.Container{
+				Name: "primary-new",
+				VolumeMounts: []v1.VolumeMount{
+					{
+						Name:      "nccl-new",
+						MountPath: "abc-new",
+					},
+				},
+				Env: []v1.EnvVar{
+					{Name: "EnvVar", Value: "EnvVal"},
+				},
+			},
+			v1.Container{
+				Name: "bar-new",
+			},
+		},
+		InitContainers: []v1.Container{
+			v1.Container{
+				Name: "primary-init-new",
+				VolumeMounts: []v1.VolumeMount{
+					{
+						Name:      "nccl-new",
+						MountPath: "abc-new",
+					},
+				},
+			},
+			v1.Container{
+				Name: "bar-init-new",
+			},
+		},
+		Tolerations: []v1.Toleration{
+			v1.Toleration{
+				Key: "bar-new",
+			},
+			v1.Toleration{
+				Key: "baz-new",
+			},
+		},
+	}
+
+	// primary (init) container name different from basePodSpec
+	mergedPodSpec, err := MergePodSpecs(&basePodSpec, &podSpec, "primary-new", "primary-init-new")
+	assert.Nil(t, err)
+
+	// validate an appended array
+	assert.Equal(t, len(basePodSpec.Tolerations)+len(podSpec.Tolerations), len(mergedPodSpec.Tolerations))
+
+	// validate primary container, should exclude the one in basePodSpec
+	primaryContainer := mergedPodSpec.Containers[0]
+	assert.Equal(t, podSpec.Containers[0].Name, primaryContainer.Name)
+	// this will also contain the one from basePodSpec
+	assert.Equal(t, 2, len(primaryContainer.VolumeMounts))
+	assert.Equal(t, 2, len(primaryContainer.Env))
+
+	// WARN: the other container in podSpec is also included
+	assert.Equal(t, 2, len(mergedPodSpec.Containers))
+	assert.Equal(t, mergedPodSpec.Containers[1].Name, podSpec.Containers[1].Name)
+
+	// validate primary init container
+	primaryInitContainer := mergedPodSpec.InitContainers[0]
+	assert.Equal(t, podSpec.InitContainers[0].Name, primaryInitContainer.Name)
+	// this will also contain the one from basePodSpec
+	assert.Equal(t, 2, len(primaryInitContainer.VolumeMounts))
+}
+
 func TestAddFlyteCustomizationsToContainer_SetConsoleUrl(t *testing.T) {
 	tests := []struct {
 		name              string