diff --git a/test/worker/test_generate.py b/test/worker/test_generate.py
index fbd3baf..015f322 100644
--- a/test/worker/test_generate.py
+++ b/test/worker/test_generate.py
@@ -1,7 +1,6 @@
 import os
 import jinja2
-from pathlib import Path
-from bopytex.worker.generate import tpl2tex, generate
+from bopytex.worker.generate import generate, tpl2tex
 import pytest
 
 
@@ -12,6 +11,12 @@ def test_tpl2tex():
     assert fed == "Plop 1"
 
 
+@pytest.fixture
+def jinja2_env(tmp_path):
+    templateEnv = jinja2.Environment(loader=jinja2.FileSystemLoader(tmp_path))
+    return templateEnv
+
+
 @pytest.fixture
 def template_path(tmp_path):
     template = tmp_path / "template.j2"
@@ -20,12 +25,6 @@ def template_path(tmp_path):
     return template
 
 
-@pytest.fixture
-def jinja2_env(tmp_path):
-    templateEnv = jinja2.Environment(loader=jinja2.FileSystemLoader(tmp_path))
-    return templateEnv
-
-
 def test_generate(template_path, jinja2_env):
     tmp_path = template_path.parent
     os.chdir(tmp_path)
@@ -46,3 +45,35 @@ def test_generate(template_path, jinja2_env):
     with open(output, "r") as out:
         lines = out.readlines()
         assert lines == ["Plop 2"]
+
+
+@pytest.fixture
+def template_path_with_random(tmp_path):
+    template = tmp_path / "template.j2"
+    with open(template, "w") as tpl:
+        tpl.write("Plop {{ random.randint(0, 10) }}")
+    return template
+
+
+def test_generate_with_random(template_path_with_random, jinja2_env):
+    tmp_path = template_path_with_random.parent
+    os.chdir(tmp_path)
+
+    assert template_path_with_random.exists
+    template = str(template_path_with_random.name)
+    output = "output"
+
+    import random
+
+    message = generate(
+        args={"random": random, "jinja2": {"environment": jinja2_env}},
+        deps=[template],
+        output=output,
+        )
+    print(message.err)
+    assert message.status == 0
+
+    with open(output, "r") as out:
+        lines = out.readlines()
+        assert int(lines[0][-1]) > 0
+        assert int(lines[0][-1]) < 10