chore: added initial tests for json output

Signed-off-by: Thomas Schuetz <thomas.schuetz@t-sc.eu>

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/schollz/progressbar/v3 v3.13.1
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.15.0
+	github.com/stretchr/testify v1.8.1
 	golang.org/x/term v0.7.0
 	k8s.io/api v0.26.3
 	k8s.io/apimachinery v0.26.3
@@ -46,6 +47,7 @@ require (
 	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/pmezard/go-difflib v1.0.0 // 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

pkg/analysis/analysis.go

@@ -103,7 +103,7 @@ func (a *Analysis) JsonOutput() ([]byte, error) {
 	}
 
 	result := JsonOutput{
-		Problems: len(a.Results),
+		Problems: problems,
 		Results:  a.Results,
 		Status:   status,
 	}

pkg/analysis/analysis_test.go

@@ -0,0 +1,123 @@
+package analysis
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/k8sgpt-ai/k8sgpt/pkg/analyzer"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestAnalysis_NoProblemJsonOutput(t *testing.T) {
+
+	analysis := Analysis{
+		Results:   []analyzer.Result{},
+		Namespace: "default",
+	}
+
+	expected := JsonOutput{
+		Status:   StateOK,
+		Problems: 0,
+		Results:  []analyzer.Result{},
+	}
+
+	gotJson, err := analysis.JsonOutput()
+	if err != nil {
+		t.Error(err)
+	}
+
+	got := JsonOutput{}
+	err = json.Unmarshal(gotJson, &got)
+	if err != nil {
+		t.Error(err)
+	}
+
+	fmt.Println(got)
+	fmt.Println(expected)
+
+	require.Equal(t, got, expected)
+}
+
+func TestAnalysis_ProblemJsonOutput(t *testing.T) {
+	analysis := Analysis{
+		Results: []analyzer.Result{
+			{
+				"Deployment",
+				"test-deployment",
+				[]string{"test-problem"},
+				"test-solution",
+				"parent-resource"},
+		},
+		Namespace: "default",
+	}
+
+	expected := JsonOutput{
+		Status:   StateProblemDetected,
+		Problems: 1,
+		Results: []analyzer.Result{
+			{"Deployment",
+				"test-deployment",
+				[]string{"test-problem"},
+				"test-solution",
+				"parent-resource"},
+		},
+	}
+
+	gotJson, err := analysis.JsonOutput()
+	if err != nil {
+		t.Error(err)
+	}
+
+	got := JsonOutput{}
+	err = json.Unmarshal(gotJson, &got)
+	if err != nil {
+		t.Error(err)
+	}
+
+	fmt.Println(got)
+	fmt.Println(expected)
+
+	require.Equal(t, got, expected)
+}
+
+func TestAnalysis_MultipleProblemJsonOutput(t *testing.T) {
+	analysis := Analysis{
+		Results: []analyzer.Result{
+			{
+				"Deployment",
+				"test-deployment",
+				[]string{"test-problem", "another-test-problem"},
+				"test-solution",
+				"parent-resource"},
+		},
+		Namespace: "default",
+	}
+
+	expected := JsonOutput{
+		Status:   StateProblemDetected,
+		Problems: 2,
+		Results: []analyzer.Result{
+			{"Deployment",
+				"test-deployment",
+				[]string{"test-problem", "another-test-problem"},
+				"test-solution",
+				"parent-resource"},
+		},
+	}
+
+	gotJson, err := analysis.JsonOutput()
+	if err != nil {
+		t.Error(err)
+	}
+
+	got := JsonOutput{}
+	err = json.Unmarshal(gotJson, &got)
+	if err != nil {
+		t.Error(err)
+	}
+
+	fmt.Println(got)
+	fmt.Println(expected)
+
+	require.Equal(t, got, expected)
+}