ci(helm): auto public Helm chart after PR merged (#7526)

magefiles/helm_test.go

@@ -0,0 +1,92 @@
+//go:build mage_helm
+
+package main
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewVersion(t *testing.T) {
+	tests := []struct {
+		name                string
+		currentHelmVersion  string
+		currentTrivyVersion string
+		newTrivyVersion     string
+		newHelmVersion      string
+	}{
+		{
+			"created the first patch",
+			"0.1.0",
+			"0.55.0",
+			"0.55.1",
+			"0.1.1",
+		},
+		{
+			"created the second patch",
+			"0.1.1",
+			"0.55.1",
+			"0.55.2",
+			"0.1.2",
+		},
+		{
+			"created the second patch but helm chart was changed",
+			"0.1.2",
+			"0.55.1",
+			"0.55.2",
+			"0.1.3",
+		},
+		{
+			"created a new minor version",
+			"0.1.1",
+			"0.55.1",
+			"0.56.0",
+			"0.2.0",
+		},
+		{
+			"created a new major version",
+			"0.1.1",
+			"0.55.1",
+			"1.0.0",
+			"1.0.0",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			newHelmVersion, err := buildNewHelmVersion(test.currentHelmVersion, test.currentTrivyVersion, test.newTrivyVersion)
+			assert.NoError(t, err)
+			assert.Equal(t, test.newHelmVersion, newHelmVersion)
+		})
+	}
+}
+
+func TestBumpHelmChart_Success(t *testing.T) {
+	tempFile, err := os.CreateTemp(t.TempDir(), "Chart-*.yaml")
+	assert.NoError(t, err)
+
+	content := `
+apiVersion: v2
+name: trivy
+version: 0.8.0
+appVersion: 0.55.0
+description: Trivy helm chart
+keywords:
+  - scanner
+  - trivy
+  - vulnerability
+`
+	err = os.WriteFile(tempFile.Name(), []byte(content), 0644)
+	assert.NoError(t, err)
+
+	newVersion, err := bumpHelmChart(tempFile.Name(), "0.55.1")
+	assert.NoError(t, err)
+	assert.Equal(t, "0.8.1", newVersion)
+
+	updatedContent, err := os.ReadFile(tempFile.Name())
+	assert.NoError(t, err)
+	assert.Contains(t, string(updatedContent), "appVersion: 0.55.1")
+	assert.Contains(t, string(updatedContent), "version: 0.8.1")
+}