diff --git a/pythia.mk b/pythia.mk
index ab31de3..96b08a0 100644
--- a/pythia.mk
+++ b/pythia.mk
@@ -15,6 +15,13 @@
 
 ENV_OUT_DIR := $(VM_OUT_DIR)
 
+ENV_GO_DIR := $~/test
+ENV_BIND_DIR := $(GO_DIR)/bin
+ENV_GOPATH := "$(abspath $(ENV_GO_DIR)):$(abspath $(GO_DIR))"
+ENV_GO := GOPATH=$(ENV_GOPATH) go
+
+ENV_GO_PACKAGES := env_test
+
 # The environments target is filled by the subdirectories
 $(call add_target,environments,BUILD,Generate all environments)
 all: environments
@@ -22,4 +29,9 @@ environments:
 
 $(call include_subdirs, busybox python java mono c)
 
+$(call add_target,envtest,MISC,Run environments tests)
+check: envtest
+envtest:
+	$(ENV_GO) test $(ENV_GO_PACKAGES)
+
 # vim:set ts=4 sw=4 noet:
diff --git a/test/src/env_test/env_test.go b/test/src/env_test/env_test.go
new file mode 100644
index 0000000..ab9d0f3
--- /dev/null
+++ b/test/src/env_test/env_test.go
@@ -0,0 +1,42 @@
+// Copyright 2013 The Pythia Authors.
+// This file is part of Pythia.
+//
+// Pythia is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// Pythia is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with Pythia.  If not, see <http://www.gnu.org/licenses/>.
+
+package env_test
+
+import (
+	"io/ioutil"
+	"path"
+	"pythia"
+	"pythia/backend"
+	"strings"
+	"testing"
+	"testutils/pytest"
+)
+
+func TestEnvironments(t *testing.T) {
+	backend.Run(t, "hello-input", "me\npythia\n",
+		pythia.Success, "Hello me!\nHello pythia!\n")
+	taskfiles, _ := ioutil.ReadDir(pytest.TasksDir)
+	for _, f := range taskfiles {
+		if !f.IsDir() && path.Ext(f.Name()) == ".task" {
+			matched, _ := path.Match("test-*", f.Name())
+			if matched {
+				task := strings.TrimSuffix(f.Name(), path.Ext(f.Name()))
+				input := "Environment test: " + task
+				backend.Run(t, task, input, pythia.Success, input)
+			}
+		}
+	}
+}