Added a basic homepage

internal/ui/cache/cache_test.go

@@ -0,0 +1,57 @@
+package cache
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/html"
+)
+
+func TestCache_GetSet(t *testing.T) {
+	key := "test"
+	assert.Nil(t, Get(key))
+
+	node := Div(Text("hello"))
+	Set(key, node)
+
+	got := Get(key)
+	require.NotNil(t, got)
+
+	// Check it was converted to a Raw component.
+	_, ok := got.(NodeFunc)
+	require.True(t, ok)
+
+	// Both nodes should render the same string.
+	buf1, buf2 := bytes.NewBuffer(nil), bytes.NewBuffer(nil)
+	require.NoError(t, node.Render(buf1))
+	require.NoError(t, got.Render(buf2))
+	assert.Equal(t, buf1.String(), buf2.String())
+}
+
+func TestCache_SetIfNotExists(t *testing.T) {
+	key := "test2"
+	called := 0
+	callback := func() Node {
+		called++
+		return Div(Text("hello"))
+	}
+
+	assertRender := func(n Node) {
+		buf := bytes.NewBuffer(nil)
+		require.NoError(t, n.Render(buf))
+		assert.Equal(t, `<div>hello</div>`, buf.String())
+	}
+
+	got := SetIfNotExists(key, callback)
+	assert.Equal(t, 1, called)
+	require.NotNil(t, got)
+	assertRender(got)
+
+	got = SetIfNotExists(key, callback)
+	assert.Equal(t, 1, called)
+	require.NotNil(t, got)
+	assertRender(got)
+}