Htmx attribute test

build.sbt

@@ -267,6 +267,10 @@ lazy val zioHttpHtmx = (project in file("zio-http-htmx"))
   .settings(
     stdSettings("zio-http-htmx"),
     publishSetting(true),
+    libraryDependencies ++= Seq(
+      `zio-test`,
+      `zio-test-sbt`,
+    ),
   )
   .dependsOn(zioHttpJVM)
 

zio-http-htmx/src/test/scala/zio/http/htmx/HtmxSpec.scala

@@ -0,0 +1,14 @@
+package zio.http.htmx
+
+import zio.http.template.button
+import zio.test.{ZIOSpecDefault, assertTrue}
+
+case object HtmxSpec extends ZIOSpecDefault {
+  override def spec = suite("HtmxSpec")(
+    test("hx-get attribute") {
+      val view     = button(hxGetAttr := "/test", "click")
+      val expected = """<button hx-get="/test">click</button>"""
+      assertTrue(view.encode == expected.stripMargin)
+    },
+  )
+}