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require 'mechanize/test_case'
class TestMechanizePageImage < Mechanize::TestCase
def setup
super
@uri = URI 'http://example/'
@src = (@uri + 'a.jpg').to_s
@empty_page = Mechanize::Page.new(@uri, nil, '', 200, @mech)
end
def img attributes
img = node 'img', attributes
Mechanize::Page::Image.new img, @empty_page
end
def test_initialize
image = img("src" => "a.jpg", "alt" => "alt", "width" => "100",
"height" => "200", "title" => "title", "id" => "id",
"class" => "class")
assert_equal "a.jpg", image.src
assert_equal "alt", image.alt
assert_equal "100", image.width
assert_equal "200", image.height
assert_equal "title", image.title
assert_equal "id", image.dom_id
assert_equal "class", image.dom_class
end
def test_initialize_no_attributes
image = img({})
assert_nil image.src
assert_nil image.alt
assert_nil image.width
assert_nil image.height
assert_nil image.title
assert_nil image.dom_id
assert_nil image.dom_class
end
def test_caption
assert_equal "", img("src" => @src).caption
assert_equal "alt", img("src" => @src, "alt" => "alt").caption
assert_equal "title", img("src" => @src, "title" => "title").caption
assert_equal "title", img("src" => @src,
"alt" => "alt", "title" => "title").caption
end
def test_url
assert_equal "http://example/a.jpg", img('src' => @src).url
end
def test_url_base
page = html_page <<-BODY
<head>
<base href="http://other.example/">
</head>
<body>
<img src="a.jpg">
</body>
BODY
assert_equal "http://other.example/a.jpg", page.images.first.url
end
def test_extname
assert_equal ".jpg", img("src" => "a.jpg").extname
assert_equal ".PNG", img("src" => "a.PNG").extname
assert_equal ".aaa", img("src" => "unknown.aaa").extname
assert_equal "", img("src" => "nosuffiximage").extname
assert_nil img("width" => "1", "height" => "1").extname
assert_equal ".jpg", img("src" => "a.jpg?cache_buster").extname
end
def test_mime_type
assert_equal "image/jpeg", img("src" => "a.jpg").mime_type
assert_equal "image/png", img("src" => "a.PNG").mime_type
assert_nil img("src" => "unknown.aaa").mime_type
assert_nil img("src" => "nosuffiximage").mime_type
end
def test_fetch
image = img "src" => "http://localhost/button.jpg"
fetched = image.fetch
assert_equal fetched, @mech.page
assert_equal "http://localhost/button.jpg", fetched.uri.to_s
assert_equal "http://example/", requests.first['Referer']
assert @mech.visited? "http://localhost/button.jpg"
end
def test_fetch_referer_http_page_rel_src
# | rel-src http-src https-src
# http page | *page* page page
# https page | page empty empty
page = html_page '<img src="./button.jpg">'
page.images.first.fetch
assert_equal 'http', page.uri.scheme
assert_equal true, page.images.first.relative?
assert_equal "http://example/", requests.first['Referer']
end
def test_fetch_referer_http_page_abs_src
# | rel-src http-src https-src
# http page | page *page* *page*
# https page | page empty empty
page = html_page '<img src="http://localhost/button.jpg">'
page.images.first.fetch
assert_equal 'http', page.uri.scheme
assert_equal false, page.images.first.relative?
assert_equal "http://example/", requests.first['Referer']
end
def test_fetch_referer_https_page_rel_src
# | rel-src http-src https-src
# http page | page page page
# https page | *page* empty empty
page = html_page '<img src="./button.jpg">'
page.uri = URI 'https://example/'
page.images.first.fetch
assert_equal 'https', page.uri.scheme
assert_equal true, page.images.first.relative?
assert_equal "https://example/", requests.first['Referer']
end
def test_fetch_referer_https_page_abs_src
# | rel-src http-src https-src
# http page | page page page
# https page | page *empty* *empty*
page = html_page '<img src="http://localhost/button.jpg">'
page.uri = URI 'https://example/'
page.images.first.fetch
assert_equal 'https', page.uri.scheme
assert_equal false, page.images.first.relative?
assert_equal nil, requests.first['Referer']
end
def test_image_referer_http_page_abs_src
page = html_page '<img src="http://localhost/button.jpg">'
assert_equal 'http', page.uri.scheme
assert_equal @uri, page.images.first.image_referer.uri
end
def test_image_referer_http_page_rel_src
page = html_page '<img src="./button.jpg">'
assert_equal 'http', page.uri.scheme
assert_equal @uri, page.images.first.image_referer.uri
end
def test_image_referer_https_page_abs_src
page = html_page '<img src="http://localhost/button.jpg">'
page.uri = URI 'https://example/'
assert_equal 'https', page.uri.scheme
assert_nil page.images.first.image_referer.uri
end
def test_image_referer_https_page_rel_src
page = html_page '<img src="./button.jpg">'
page.uri = URI 'https://example/'
assert_equal 'https', page.uri.scheme
assert_equal URI('https://example/'), page.images.first.image_referer.uri
end
end