Add Markdown Summary and Status Icons in Report

internal/applicationsnapshot/__snapshots__/report_test.snap

@@ -0,0 +1,66 @@
+
+[Test_GenerateMarkdownSummary/One_Warning_and_One_Success - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 1 | :white_check_mark: |
+| Failures | 0 | :white_check_mark: |
+| Warnings | 1 | :x: |
+| Result |  | :white_check_mark: |
+
+---
+
+[Test_GenerateMarkdownSummary/One_failure_and_One_Success - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 1 | :x: |
+| Failures | 1 | :x: |
+| Warnings | 0 | :white_check_mark: |
+| Result |  | :white_check_mark: |
+
+---
+
+[Test_GenerateMarkdownSummary/One_Failure_and_One_Violation - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 0 | :x: |
+| Failures | 1 | :x: |
+| Warnings | 1 | :x: |
+| Result |  | :x: |
+
+---
+
+[Test_GenerateMarkdownSummary/Multiple_Failure_and_One_Violation - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 0 | :x: |
+| Failures | 3 | :x: |
+| Warnings | 2 | :x: |
+| Result |  | :x: |
+
+---
+
+[Test_GenerateMarkdownSummary/With_success - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 3 | :white_check_mark: |
+| Failures | 0 | :white_check_mark: |
+| Warnings | 0 | :white_check_mark: |
+| Result |  | :white_check_mark: |
+
+---
+
+[Test_GenerateMarkdownSummary/With_Snapshot - 1]
+| Field     | Value |Status|
+|-----------|-------|-------|
+| Time | 1970-01-01 00:00:00 |  |
+| Successes | 0 | :x: |
+| Failures | 2 | :x: |
+| Warnings | 2 | :x: |
+| Result |  | :x: |
+
+---

internal/applicationsnapshot/report.go

@@ -94,9 +94,10 @@
 
 // Possible formats the report can be written as.
 const (
-	JSON      = "json"
-	YAML      = "yaml"
-	APPSTUDIO = "appstudio"
+	SummaryMarkdown = "summary-markdown"
+	JSON            = "json"
+	YAML            = "yaml"
+	APPSTUDIO       = "appstudio"
 	// Deprecated. Remove when hacbs output is removed
 	HACBS       = "hacbs"
 	Summary     = "summary"
@@ -162,6 +163,8 @@
 // toFormat converts the report into the given format.
 func (r *Report) toFormat(format string) (data []byte, err error) {
 	switch format {
+	case SummaryMarkdown:
+		data, err = generateMarkdownSummary(r)
 	case JSON:
 		data, err = json.Marshal(r)
 	case YAML:
@@ -240,6 +243,39 @@
 	return shortNames
 }
 
+func generateMarkdownSummary(r *Report) ([]byte, error) {
+	var markdownBuffer bytes.Buffer
+	markdownBuffer.WriteString("| Field     | Value |Status|\n")
+	markdownBuffer.WriteString("|-----------|-------|-------|\n")
+
+	var totalViolations, totalWarnings, totalSuccesses int
+	pr := r.toSummary()
+	for _, component := range pr.Components {
+		totalViolations += component.TotalViolations
+		totalWarnings += component.TotalWarnings
+		totalSuccesses += component.TotalSuccesses
+	}
+
+	writeIcon := func(condition bool) string {
+		if condition {
+			return ":white_check_mark:"
+		}
+		return ":x:"
+	}
+
+	writeMarkdownField(&markdownBuffer, "Time", r.created.UTC().Format("2006-01-02 15:04:05"), "")
+	writeMarkdownField(&markdownBuffer, "Successes", totalSuccesses, writeIcon(totalSuccesses >= 1 && totalViolations == 0))
+	writeMarkdownField(&markdownBuffer, "Failures", totalViolations, writeIcon(totalViolations == 0))
+	writeMarkdownField(&markdownBuffer, "Warnings", totalWarnings, writeIcon(totalWarnings == 0))
+	writeMarkdownField(&markdownBuffer, "Result", "", writeIcon(r.Success))
+	return markdownBuffer.Bytes(), nil
+}
+
+func writeMarkdownField(buffer *bytes.Buffer, name string, value any, icon string) {
+	valueStr := fmt.Sprintf("%v", value)
+	buffer.WriteString(fmt.Sprintf("| %s | %s | %s |\n", name, valueStr, icon))
+}
+
 // toAppstudioReport returns a version of the report that conforms to the
 // TEST_OUTPUT format, usually written to the TEST_OUTPUT Tekton task result
 func (r *Report) toAppstudioReport() TestReport {

internal/applicationsnapshot/report_test.go

@@ -27,6 +27,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/gkampitakis/go-snaps/snaps"
 	"github.com/spf13/afero"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -152,6 +153,121 @@ policy:
 	assert.False(t, report.Success)
 }
 
+func Test_GenerateMarkdownSummary(t *testing.T) {
+	cases := []struct {
+		name       string
+		snapshot   string
+		components []Component
+	}{
+		{
+			name: "One Warning and One Success",
+			components: []Component{
+				{
+					Successes: []evaluator.Result{
+						{Message: "Success1"},
+					},
+					SuccessCount: 1,
+					Warnings: []evaluator.Result{
+						{Message: "Warning1"},
+					},
+					Success: true,
+				},
+			},
+		},
+		{
+			name: "One failure and One Success",
+			components: []Component{
+				{
+					Successes: []evaluator.Result{
+						{Message: "Success1"},
+					},
+					SuccessCount: 1,
+					Violations: []evaluator.Result{
+						{Message: "faulure1"},
+					},
+					Success: true,
+				},
+			},
+		},
+		{
+			name: "One Failure and One Violation",
+			components: []Component{
+				{
+					Violations: []evaluator.Result{
+						{Message: "failure1"},
+					},
+					Warnings: []evaluator.Result{
+						{Message: "Warning1"},
+					},
+					Success: false,
+				},
+			},
+		},
+		{
+			name: "Multiple Failure and One Violation",
+			components: []Component{
+				{
+					Violations: []evaluator.Result{
+						{Message: "failure1"},
+						{Message: "failure2"},
+						{Message: "failure3"},
+					},
+					Warnings: []evaluator.Result{
+						{Message: "Warning1"},
+						{Message: "Warning2"},
+					},
+					Success: false,
+				},
+			},
+		},
+		{
+			name: "With success",
+			components: []Component{
+				{
+					Successes: []evaluator.Result{
+						{Message: "Success1"},
+						{Message: "Success2"},
+						{Message: "Success3"},
+					},
+					SuccessCount: 3,
+					Success:      true,
+				},
+			},
+		},
+		{
+			name:     "With Snapshot",
+			snapshot: "snappy",
+			components: []Component{
+				{
+					Violations: []evaluator.Result{
+						{Message: "failure1"},
+						{Message: "failure2"},
+					},
+					Warnings: []evaluator.Result{
+						{Message: "Warning1"},
+						{Message: "Warning2"},
+					},
+					Success: false,
+				},
+			},
+		},
+	}
+
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+
+			ctx := context.Background()
+			report, err := NewReport(c.snapshot, c.components, createTestPolicy(t, ctx), nil, nil)
+			assert.NoError(t, err)
+			report.created = time.Unix(0, 0).UTC()
+
+			markdownSummary, err := generateMarkdownSummary(&report)
+			assert.NoError(t, err)
+			snaps.MatchSnapshot(t, string(markdownSummary))
+		})
+	}
+}
+
 func Test_ReportSummary(t *testing.T) {
 	tests := []struct {
 		name     string