add some tests

.github/workflows/golang.yml

@@ -0,0 +1,19 @@
+name: Go
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21.x'
+      - name: Install dependencies
+        run: go get .
+      - name: Build
+        run: go build -v ./...
+      - name: Test with the Go CLI
+        run: go test

main.go

@@ -29,7 +29,7 @@ var md = goldmark.New(
 	),
 )
 
-var templates = template.Must(template.ParseFS(os.DirFS("templates/"), "*.html"))
+var templates *template.Template
 
 //go:embed sitemap.xsl
 var sitemapXSL []byte
@@ -427,6 +427,11 @@ func main() {
 	var err error
 	timeStart := time.Now()
 
+	templates, err = template.ParseFS(os.DirFS("templates/"), "*.html")
+	if err != nil {
+		log.Fatal("Error reading templates/ directory: %s", err)
+	}
+
 	site := Site{}
 
 	// read config.xml

main_test.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestParseFrontMatter(t *testing.T) {
+	p := &Page{
+		Path: "example/content/index.md",
+	}
+
+	if err := parseFrontMatter(p); err != nil {
+		t.Fatal(err)
+	}
+
+	expectedTitle := "My site"
+	if p.Title != expectedTitle {
+		t.Errorf("Invalid title. Expected %v, got %v", expectedTitle, p.Title)
+	}
+}
+
+func TestParseContent(t *testing.T) {
+	p := &Page{
+		Path: "example/content/index.md",
+	}
+
+	content, err := p.ParseContent()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !strings.Contains(content, "<p>Hey, welcome on my site!</p>") {
+		t.Errorf("Invalid content. Got %v", content)
+	}
+
+}