Group element helpers in different files (#21)

According to the section at https://developer.mozilla.org/en-US/docs/Web/HTML/Element

1 files changed, 58 insertions, 0 deletions

diff --git a/el/form_test.go b/el/form_test.go
new file mode 100644
index 0000000..2f43036
--- /dev/null
+++ b/el/form_test.go
@@ -0,0 +1,58 @@
+package el_test
+
+import (
+	"testing"
+
+	g "github.com/maragudk/gomponents"
+	"github.com/maragudk/gomponents/assert"
+	"github.com/maragudk/gomponents/el"
+)
+
+func TestButton(t *testing.T) {
+	t.Run("returns a button element", func(t *testing.T) {
+		assert.Equal(t, `<button />`, el.Button())
+	})
+}
+
+func TestForm(t *testing.T) {
+	t.Run("returns a form element with action and method attributes", func(t *testing.T) {
+		assert.Equal(t, `<form action="/" method="post" />`, el.Form("/", "post"))
+	})
+}
+
+func TestInput(t *testing.T) {
+	t.Run("returns an input element with attributes type and name", func(t *testing.T) {
+		assert.Equal(t, `<input type="text" name="hat" />`, el.Input("text", "hat"))
+	})
+}
+
+func TestLabel(t *testing.T) {
+	t.Run("returns a label element with attribute for", func(t *testing.T) {
+		assert.Equal(t, `<label for="hat">Hat</label>`, el.Label("hat", g.Text("Hat")))
+	})
+}
+
+func TestOption(t *testing.T) {
+	t.Run("returns an option element with attribute label and content", func(t *testing.T) {
+		assert.Equal(t, `<option value="hat">Hat</option>`, el.Option("Hat", "hat"))
+	})
+}
+
+func TestProgress(t *testing.T) {
+	t.Run("returns a progress element with attributes value and max", func(t *testing.T) {
+		assert.Equal(t, `<progress value="5.5" max="10" />`, el.Progress(5.5, 10))
+	})
+}
+
+func TestSelect(t *testing.T) {
+	t.Run("returns a select element with attribute name", func(t *testing.T) {
+		assert.Equal(t, `<select name="hat"><option value="partyhat">Partyhat</option></select>`,
+			el.Select("hat", el.Option("Partyhat", "partyhat")))
+	})
+}
+
+func TestTextarea(t *testing.T) {
+	t.Run("returns a textarea element with attribute name", func(t *testing.T) {
+		assert.Equal(t, `<textarea name="hat" />`, el.Textarea("hat"))
+	})
+}