import unittest
import makesite
class RenderTest(unittest.TestCase):
def test_simple_substitution(self):
"""Test basic template variable substitution."""
template = "Hello {{ name }}!"
result = makesite.render(template, name="World")
self.assertEqual(result, "Hello World!")
def test_multiple_variables(self):
"""Test substitution of multiple variables."""
template = "{{ greeting }} {{ name }}, welcome to {{ site }}!"
result = makesite.render(template, greeting="Hello", name="Alice", site="Blog")
self.assertEqual(result, "Hello Alice, welcome to Blog!")
def test_same_variable_multiple_times(self):
"""Test that the same variable can be used multiple times."""
template = "{{ word }} {{ word }} {{ word }}"
result = makesite.render(template, word="echo")
self.assertEqual(result, "echo echo echo")
def test_missing_variable_unchanged(self):
"""Test that missing variables are left unchanged."""
template = "Hello {{ name }}, your score is {{ score }}"
result = makesite.render(template, name="Bob")
self.assertEqual(result, "Hello Bob, your score is {{ score }}")
def test_no_variables(self):
"""Test template with no variables."""
template = "Just plain text without variables"
result = makesite.render(template)
self.assertEqual(result, "Just plain text without variables")
def test_variable_with_whitespace(self):
"""Test variables with different whitespace patterns."""
template = "{{name}} {{ name }} {{ name }}"
result = makesite.render(template, name="Test")
self.assertEqual(result, "Test Test Test")
def test_numeric_values(self):
"""Test substitution with numeric values."""
template = "Price: {{ price }}, Quantity: {{ qty }}"
result = makesite.render(template, price=19.99, qty=5)
self.assertEqual(result, "Price: 19.99, Quantity: 5")
def test_empty_string_value(self):
"""Test substitution with empty string."""
template = "Start {{ middle }} End"
result = makesite.render(template, middle="")
self.assertEqual(result, "Start End")
def test_special_characters_in_value(self):
"""Test substitution with special characters."""
template = "Content: {{ text }}"
result = makesite.render(template, text=" & 'quotes' \"double\"")
self.assertEqual(result, "Content: & 'quotes' \"double\"")
def test_multiline_template(self):
"""Test template spanning multiple lines."""
template = """{{ title }}
{{ content }}
"""
result = makesite.render(template, title="Post", content="Text", author="Alice")
expected = """Post
Text
"""
self.assertEqual(result, expected)
def test_nested_braces_not_matched(self):
"""Test that nested braces are not mistakenly matched."""
template = "Code: {{ code }}"
result = makesite.render(template, code="{key: value}")
self.assertEqual(result, "Code: {key: value}")
def test_variable_name_with_underscore(self):
"""Test variable names with underscores."""
template = "{{ first_name }} {{ last_name }}"
result = makesite.render(template, first_name="John", last_name="Doe")
self.assertEqual(result, "John Doe")
def test_extra_parameters_ignored(self):
"""Test that extra parameters are ignored."""
template = "Hello {{ name }}"
result = makesite.render(template, name="Alice", unused="value", extra=123)
self.assertEqual(result, "Hello Alice")
def test_boolean_values(self):
"""Test substitution with boolean values."""
template = "Active: {{ active }}, Disabled: {{ disabled }}"
result = makesite.render(template, active=True, disabled=False)
self.assertEqual(result, "Active: True, Disabled: False")
def test_none_value(self):
"""Test substitution with None value."""
template = "Value: {{ value }}"
result = makesite.render(template, value=None)
self.assertEqual(result, "Value: None")