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diff --git a/‎coverage-report/src/test/java/org/jooby/EnvCallbackReloadConfFeature.java‎
Lines changed: 39 additions & 0 deletions b/‎coverage-report/src/test/java/org/jooby/EnvCallbackReloadConfFeature.java‎
Lines changed: 39 additions & 0 deletions
diff --git a/‎coverage-report/src/test/java/org/jooby/EnvCallbackRouteOrderFeature.java‎
Lines changed: 31 additions & 0 deletions b/‎coverage-report/src/test/java/org/jooby/EnvCallbackRouteOrderFeature.java‎
Lines changed: 31 additions & 0 deletions
diff --git a/‎coverage-report/src/test/java/org/jooby/EnvEmpyCallbackFeature.java‎
Lines changed: 22 additions & 0 deletions b/‎coverage-report/src/test/java/org/jooby/EnvEmpyCallbackFeature.java‎
Lines changed: 22 additions & 0 deletions
@@ -0,0 +1,39 @@
+package org.jooby;
+
+import org.jooby.test.ServerFeature;
+import org.junit.Test;
+
+import com.google.inject.Binder;
+import com.google.inject.Key;
+import com.google.inject.name.Names;
+import com.typesafe.config.Config;
+import com.typesafe.config.ConfigFactory;
+import com.typesafe.config.ConfigValueFactory;
+
+public class EnvCallbackReloadConfFeature extends ServerFeature {
+
+  {
+    Key<String> key = Key.get(String.class, Names.named(("envvar")));
+    on("dev", () -> {
+      use(new Jooby.Module() {
+
+        @Override
+        public void configure(final Env env, final Config conf, final Binder binder) {
+          binder.bind(key).toInstance(conf.getString("envvar"));
+        }
+
+        @Override
+        public Config config() {
+          return ConfigFactory.empty().withValue("envvar", ConfigValueFactory.fromAnyRef("foo"));
+        }
+      });
+    });
+
+    get("/", req -> req.require(key));
+  }
+
+  @Test
+  public void devCallback() throws Exception {
+    request().get("/").expect("foo");
+  }
+}
@@ -0,0 +1,31 @@
+package org.jooby;
+
+import org.jooby.test.ServerFeature;
+import org.junit.Test;
+
+public class EnvCallbackRouteOrderFeature extends ServerFeature {
+
+  {
+    StringBuilder buff = new StringBuilder();
+    on("dev", () -> {
+      get("/", (req, rsp) -> {
+        buff.append("pre");
+      });
+    });
+
+    get("/", (req, rsp) -> {
+      buff.append("-");
+    });
+
+    on("dev", () -> {
+      get("/", (req, rsp) -> {
+        rsp.send(buff.append("post"));
+      });
+    });
+  }
+
+  @Test
+  public void devCallback() throws Exception {
+    request().get("/").expect("pre-post");
+  }
+}
@@ -0,0 +1,22 @@
+package org.jooby;
+
+import org.jooby.test.ServerFeature;
+import org.junit.Test;
+
+public class EnvEmpyCallbackFeature extends ServerFeature {
+
+  {
+    on("dev", () -> {
+    });
+
+    get("/", () -> "empty");
+
+    on("dev", () -> {
+    });
+  }
+
+  @Test
+  public void devCallback() throws Exception {
+    request().get("/").expect("empty");
+  }
+}