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import unittest
from recipe_scrapers._factory import SchemaScraperFactory
from recipe_scrapers._schemaorg import SchemaOrg
from recipe_scrapers.settings import settings
JSONLD_PAGE_TEMPLATE = """
<html>
<head>
<link href="http://recipe.test/template" type="canonical" />
<script type="application/ld+json">{jsonld}</script>
</head>
</html>
"""
SIMPLE_SCHEMA = """
{
"@context": "https://schema.org",
"@type": "Recipe",
"name": "Test Recipe",
"recipeIngredient": ["1 slice of bread", "5g margarine"],
"recipeInstructions": ["spread the margarine on the bread"]
}
"""
MULTI_ENTITY_SCHEMA = """
[
{
"@context": "https://schema.org",
"@type": "Recipe",
"@id": "http://recipe.test/template",
"name": "Test Recipe",
},
{
"@context": "https://schema.org",
"@type": "Recipe",
"@id": "http://recipe.test/other",
"name": "Another great test recipe",
},
{
"@context": "https://schema.org",
"@type": "WebPage",
"@id": "http://recipe.test/template",
"mainEntity": {
"@context": "https://schema.org",
"@type": "Recipe",
"@id": "http://recipe.test/template",
"recipeIngredient": ["1 slice of bread", "5g margarine"],
"recipeInstructions": ["spread the margarine on the bread"]
}
}
]
"""
BEST_IMAGE_SCHEMA = """
{
"@context": "https://schema.org",
"@type": "Recipe",
"name": "Image Comparison",
"image": [
"https://images.example.com/recipe-320x240.jpg",
{
"@type": "ImageObject",
"url": "https://images.example.com/recipe-1280x720.jpg",
"width": 1280,
"height": 720
},
"https://images.example.com/recipe-640x480.jpg"
],
"recipeIngredient": [],
"recipeInstructions": []
}
"""
class TestSchemaOrg(unittest.TestCase):
def test_simple(self):
page_data = JSONLD_PAGE_TEMPLATE.format(jsonld=SIMPLE_SCHEMA)
parser = SchemaOrg(page_data)
self.assertEqual("Test Recipe", parser.title())
self.assertIn("1 slice of bread", parser.ingredients())
self.assertIn("5g margarine", parser.ingredients())
self.assertEqual("spread the margarine on the bread", parser.instructions())
def test_multi_entity_aggregation(self):
page_data = JSONLD_PAGE_TEMPLATE.format(jsonld=MULTI_ENTITY_SCHEMA)
parser = SchemaOrg(page_data)
self.assertEqual("Test Recipe", parser.title())
self.assertIn("1 slice of bread", parser.ingredients())
self.assertIn("5g margarine", parser.ingredients())
self.assertEqual("spread the margarine on the bread", parser.instructions())
def test_best_image_selection(self):
page_data = JSONLD_PAGE_TEMPLATE.format(jsonld=BEST_IMAGE_SCHEMA)
default_scraper = SchemaScraperFactory.generate(
html=page_data,
url="http://recipe.test/template",
)
self.assertEqual(
"https://images.example.com/recipe-1280x720.jpg",
default_scraper.image(),
)
best_image_scraper = SchemaScraperFactory.generate(
html=page_data,
url="http://recipe.test/template",
best_image=False,
)
self.assertEqual(
"https://images.example.com/recipe-320x240.jpg",
best_image_scraper.image(),
)
def test_best_image_setting_toggle(self):
page_data = JSONLD_PAGE_TEMPLATE.format(jsonld=BEST_IMAGE_SCHEMA)
original = settings.BEST_IMAGE_SELECTION
try:
settings.BEST_IMAGE_SELECTION = True
configured_scraper = SchemaScraperFactory.generate(
html=page_data,
url="http://recipe.test/template",
)
self.assertEqual(
"https://images.example.com/recipe-1280x720.jpg",
configured_scraper.image(),
)
finally:
settings.BEST_IMAGE_SELECTION = original
|
