feat: adding unit testing and example

Signed-off-by: AlexsJones <alexsimonjones@gmail.com>

go.mod

@@ -17,6 +17,7 @@ require (
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.10.2 // indirect
+	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
@@ -44,6 +45,7 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/cast v1.5.0 // indirect

go.sum

@@ -66,6 +66,8 @@ github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5y
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84=
+github.com/evanphx/json-patch v4.12.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
 github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
 github.com/flowstack/go-jsonschema v0.1.1/go.mod h1:yL7fNggx1o8rm9RlgXv7hTBWxdBM0rVwpMwimd3F3N0=
@@ -212,6 +214,7 @@ github.com/onsi/ginkgo/v2 v2.4.0 h1:+Ig9nvqgS5OBSACXNk15PLdp0U9XPYROt9CFzVdFGIs=
 github.com/onsi/gomega v1.23.0 h1:/oxKu9c2HVap+F3PfKort2Hw5DEU+HGlW8n+tguWsys=
 github.com/pelletier/go-toml/v2 v2.0.7 h1:muncTPStnKRos5dpVKULv2FVd4bMOhNePj9CjgDb8Us=
 github.com/pelletier/go-toml/v2 v2.0.7/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qRg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

pkg/analyzer/events.go

@@ -2,6 +2,7 @@ package analyzer
 
 import (
 	"context"
+
 	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

pkg/analyzer/podAnalyzer_test.go

@@ -0,0 +1,45 @@
+package analyzer
+
+import (
+	"context"
+	"testing"
+
+	"github.com/k8sgpt-ai/k8sgpt/pkg/kubernetes"
+	"github.com/magiconair/properties/assert"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes/fake"
+)
+
+func TestPodAnalzyer(t *testing.T) {
+
+	clientset := fake.NewSimpleClientset(&v1.Pod{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:        "example",
+			Namespace:   "default",
+			Annotations: map[string]string{},
+		},
+		Status: v1.PodStatus{
+			Phase: v1.PodPending,
+			Conditions: []v1.PodCondition{
+				{
+					Type:    v1.PodScheduled,
+					Reason:  "Unschedulable",
+					Message: "0/1 nodes are available: 1 node(s) had taint {node-role.kubernetes.io/master: }, that the pod didn't tolerate.",
+				},
+			},
+		},
+	})
+
+	podAnalyzer := PodAnalyzer{}
+	var analysisResults []Analysis
+	podAnalyzer.RunAnalysis(context.Background(),
+		&AnalysisConfiguration{
+			Namespace: "default",
+		},
+		&kubernetes.Client{
+			Client: clientset,
+		}, nil, &analysisResults)
+
+	assert.Equal(t, len(analysisResults), 1)
+}

pkg/kubernetes/kubernetes.go

@@ -6,11 +6,11 @@ import (
 )
 
 type Client struct {
-	client *kubernetes.Clientset
+	Client kubernetes.Interface
 }
 
-func (c *Client) GetClient() *kubernetes.Clientset {
-	return c.client
+func (c *Client) GetClient() kubernetes.Interface {
+	return c.Client
 }
 
 func NewClient(kubecontext string, kubeconfig string) (*Client, error) {
@@ -31,6 +31,6 @@ func NewClient(kubecontext string, kubeconfig string) (*Client, error) {
 	}
 
 	return &Client{
-		client: clientSet,
+		Client: clientSet,
 	}, nil
 }