Docs tests & a refactor

test/heroicons_test.exs

@@ -1,4 +1,28 @@
 defmodule HeroiconsTest do
   use ExUnit.Case, async: true
-  doctest Heroicons.Solid
+
+  @icon """
+  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
+    <path d="M10.394 2.08a1 1 0 00-.788 0l-7 3a1 1 0 000 1.84L5.25 8.051a.999.999 0 01.356-.257l4-1.714a1 1 0 11.788 1.838L7.667 9.088l1.94.831a1 1 0 00.787 0l7-3a1 1 0 000-1.838l-7-3zM3.31 9.397L5 10.12v4.102a8.969 8.969 0 00-1.05-.174 1 1 0 01-.89-.89 11.115 11.115 0 01.25-3.762zM9.3 16.573A9.026 9.026 0 007 14.935v-3.957l1.818.78a3 3 0 002.364 0l5.508-2.361a11.026 11.026 0 01.25 3.762 1 1 0 01-.89.89 8.968 8.968 0 00-5.35 2.524 1 1 0 01-1.4 0zM6 18a1 1 0 001-1v-2.065a8.935 8.935 0 00-2-.712V17a1 1 0 001 1z"/>
+  </svg>
+  """
+
+  @tag :tmp_dir
+  test "generated function", %{tmp_dir: tmp_dir} do
+    Path.join(tmp_dir, "academic_cap.svg")
+    |> File.write(@icon)
+
+    quote do
+      defmodule TestIcons do
+        @icon_dir unquote(Path.absname(tmp_dir))
+        @before_compile Heroicons
+      end
+    end
+    |> Code.compile_quoted()
+
+    assert TestIcons.academic_cap() == @icon
+
+    assert TestIcons.academic_cap(class: "h-6 w-6 text-gray-500") =~
+             ~s(class="h-6 w-6 text-gray-500")
+  end
 end