diff --git a/tests/test_templates.py b/tests/test_templates.py
index b0a1740d3db2a2cd6fd6419afbcef39c113f060c..5cc03dc87cfeea2c3b1ad4d918c8e353c2070394 100644
--- a/tests/test_templates.py
+++ b/tests/test_templates.py
@@ -1,11 +1,14 @@
 import collections
 import configparser
+import contextlib
 import datetime
 import decimal
+import io
 import pathlib
 
 import pytest
 from import2ledger import errors, template
+from import2ledger.hooks import ledger_entry
 
 from . import DATA_DIR, normalize_whitespace
 
@@ -199,3 +202,48 @@ def test_line1_not_custom_payee():
 def test_bad_amount_expression(amount_expr):
     with pytest.raises(errors.UserInputError):
         template.Template(" Income  " + amount_expr)
+
+class Config:
+    def __init__(self):
+        self.stdout = io.StringIO()
+
+    @contextlib.contextmanager
+    def open_output_file(self):
+        yield self.stdout
+
+    def get_template(self, key):
+        try:
+            return template_from(key)
+        except KeyError:
+            raise errors.UserInputConfigurationError(
+                "template not defined in test config", key)
+
+
+def run_hook(entry_data):
+    hook_config = Config()
+    hook = ledger_entry.LedgerEntryHook(hook_config)
+    assert hook.run(entry_data) is None
+    stdout = hook_config.stdout.getvalue()
+    return normalize_whitespace(stdout).splitlines()
+
+def hook_vars(template_key, payee, amount):
+    return template_vars(payee, amount, other_vars={'template': template_key})
+
+def test_hook_renders_template():
+    entry_data = hook_vars('Simplest', 'BB', '0.99')
+    lines = run_hook(entry_data)
+    assert lines == [
+        "",
+        "2015/03/14 BB",
+        "  Accrued:Accounts Receivable  0.99 USD",
+        "  Income:Donations  -0.99 USD",
+    ]
+
+def test_hook_handles_empty_template():
+    entry_data = hook_vars('Empty', 'CC', 1)
+    assert not run_hook(entry_data)
+
+def test_hook_handles_template_undefined():
+    entry_data = hook_vars('Nonexistent', 'DD', 1)
+    assert not run_hook(entry_data)
+