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(require 'esxml)
(require 'esxml-query)
(require 'ert)
(ert-deftest esxml-parse-css-selector-test ()
(should-error (esxml-parse-css-selector ""))
(should-error (esxml-parse-css-selector "'foo'"))
(should (equal (esxml-parse-css-selector "*")
'((((wildcard))))))
(should (equal (esxml-parse-css-selector "foo")
'((((tag . foo))))))
(should-error (esxml-parse-css-selector "foo 123"))
(should (equal (esxml-parse-css-selector "foo bar")
'((((tag . foo))
((combinator . descendant))
((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo,bar")
'((((tag . foo)))
(((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo, bar")
'((((tag . foo)))
(((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo ,bar")
'((((tag . foo)))
(((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo , bar")
'((((tag . foo)))
(((tag . bar))))))
(should-error (esxml-parse-css-selector "foo, "))
(should-error (esxml-parse-css-selector "foo,"))
(should-error (esxml-parse-css-selector "foo ,"))
(should-error (esxml-parse-css-selector "foo , "))
(should (equal (esxml-parse-css-selector "foo > bar")
'((((tag . foo))
((combinator . child))
((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo>bar")
'((((tag . foo))
((combinator . child))
((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo ~ bar")
'((((tag . foo))
((combinator . indirect-sibling))
((tag . bar))))))
(should (equal (esxml-parse-css-selector "foo + bar")
'((((tag . foo))
((combinator . direct-sibling))
((tag . bar))))))
(should-error (esxml-parse-css-selector "foo >"))
(should (equal (esxml-parse-css-selector "foo#bar.baz.qux")
'((((tag . foo)
(id . "bar")
(class . "baz")
(class . "qux"))))))
(should (equal (esxml-parse-css-selector "#foo.bar.baz[qux=quux]:foo(bar baz)")
'((((id . "foo")
(class . "bar")
(class . "baz")
(attribute
(name . "qux")
(exact-match . "quux"))
(pseudo-class
(name . "foo")
(args
(ident . "bar")
(ident . "baz"))))))))
(should-error (esxml-parse-css-selector "foo#bar#baz"))
(should (equal (esxml-parse-css-selector "foo[bar=baz][qux=quux]")
'((((tag . foo)
(attribute
(name . "bar")
(exact-match . "baz"))
(attribute
(name . "qux")
(exact-match . "quux")))))))
(should (equal (esxml-parse-css-selector "foo::bar:baz(qux quux)")
'((((tag . foo)
(pseudo-element
(name . "bar"))
(pseudo-class
(name . "baz")
(args
(ident . "qux")
(ident . "quux"))))))))
(should (equal (esxml-parse-css-selector "#foo")
'((((id . "foo"))))))
(should-error (esxml-parse-css-selector "# #bar"))
(should (equal (esxml-parse-css-selector ".foo")
'((((class . "foo"))))))
(should-error (esxml-parse-css-selector ". .bar"))
(should (equal (esxml-parse-css-selector "[foo]")
'((((attribute
(name . "foo")))))))
(should-error (esxml-parse-css-selector "[foo=]"))
(should (equal (esxml-parse-css-selector "[foo=bar]")
'((((attribute
(name . "foo")
(exact-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo^=bar]")
'((((attribute
(name . "foo")
(prefix-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo$=bar]")
'((((attribute
(name . "foo")
(suffix-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo*=bar]")
'((((attribute
(name . "foo")
(substring-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo~=bar]")
'((((attribute
(name . "foo")
(include-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo|=bar]")
'((((attribute
(name . "foo")
(dash-match . "bar")))))))
(should-error (esxml-parse-css-selector "[foo=bar"))
(should (equal (esxml-parse-css-selector "[foo='bar']")
'((((attribute
(name . "foo")
(exact-match . "bar")))))))
(should (equal (esxml-parse-css-selector "[foo=\"bar\"]")
'((((attribute
(name . "foo")
(exact-match . "bar")))))))
(should-error (esxml-parse-css-selector "[foo='bar]"))
(should (equal (esxml-parse-css-selector "[ foo = bar ]")
'((((attribute
(name . "foo")
(exact-match . "bar")))))))
(should (equal (esxml-parse-css-selector ":foo")
'((((pseudo-class
(name . "foo")))))))
(should (equal (esxml-parse-css-selector "::foo")
'((((pseudo-element
(name . "foo")))))))
(should-error (esxml-parse-css-selector ": foo"))
(should-error (esxml-parse-css-selector ":: foo"))
(should-error (esxml-parse-css-selector ":foo()"))
(should (equal (esxml-parse-css-selector ":foo(bar)")
'((((pseudo-class
(name . "foo")
(args
(ident . "bar"))))))))
(should-error (esxml-parse-css-selector "::foo(bar)"))
(should (equal (esxml-parse-css-selector ":foo(bar baz)")
'((((pseudo-class
(name . "foo")
(args
(ident . "bar")
(ident . "baz"))))))))
(should (equal (esxml-parse-css-selector ":foo(1)")
'((((pseudo-class
(name . "foo")
(args
(number . 1))))))))
(should (equal (esxml-parse-css-selector ":foo(42rem)")
'((((pseudo-class
(name . "foo")
(args
(dimension . "42rem"))))))))
(should (equal (esxml-parse-css-selector ":foo(2n+1)")
'((((pseudo-class
(name . "foo")
(args
(number . 2)
(ident . "n")
(operator . +)
(number . 1))))))))
(should (equal (esxml-parse-css-selector ":foo(1-1)")
'((((pseudo-class
(name . "foo")
(args
(number . 1)
(operator . -)
(number . 1))))))))
(should-error (esxml-parse-css-selector ":foo(bar")))
(defvar esxml-query-document
(xml-to-esxml
"<!DOCTYPE html>
<html lang=\"en-US\">
<head>
<meta charset=\"utf-8\" />
<link rel=\"self\" />
<title>Foobar</title>
</head>
<body>
<table>
<thead>
<tr class=\"row\" id=\"heading\">
<th class=\"col\">Key</th>
<th class=\"col\">Value</th>
</tr>
</thead>
<tbody>
<tr class=\"row even\">
<td class=\"col key\">Foo</td>
<td class=\"col value\">1</td>
</tr>
<tr class=\"row odd\">
<td class=\"col key\">Bar</td>
<td class=\"col value\">2</td>
</tr>
</tbody>
</table>
</body>
</html>"))
(ert-deftest esxml-query-test ()
(let ((root esxml-query-document))
(should (eq (esxml-node-tag (esxml-query "*" root)) 'html))
(should (eq (esxml-node-tag (esxml-query "table" root)) 'table))
(should-not (esxml-query "foo" root))
(should (eq (esxml-node-tag (esxml-query "table, foo" root)) 'table))
(should (eq (esxml-node-tag (esxml-query "foo, table" root)) 'table))
(should-not (esxml-query "foo, bar" root))
(should (eq (esxml-node-tag (esxml-query "thead, tbody" root)) 'thead))
(should (eq (esxml-node-tag (esxml-query "tbody, thead" root)) 'thead))
(should-not (esxml-query "table table" root))
(should (equal (esxml-node-children (esxml-query "table thead th" root))
'("Key")))
(should (equal (esxml-node-children (esxml-query "table td" root))
'("Foo")))
(should (equal (esxml-node-children (esxml-query "table * td" root))
'("Foo")))
(should-not (esxml-query "td foo" root))
(should-not (esxml-query "tr foo td" root))
(should (equal (esxml-node-children (esxml-query "tbody>tr>td" root))
'("Foo")))
(should-not (esxml-query "tr>foo" root))
(should-not (esxml-query "foo>td" root))
(should (equal (esxml-node-children (esxml-query "#heading>th" root))
'("Key")))
(should (equal (esxml-node-tag (esxml-query "tr#heading" root)) 'tr))
(should (equal (esxml-node-tag (esxml-query "#heading" root)) 'tr))
(should-not (esxml-query "th#heading" root))
(should-not (esxml-query "tr #heading" root))
(should (equal (esxml-node-children (esxml-query ".row>td" root))
'("Foo")))
(should-not (esxml-query ".foo" root))
(should (esxml-query ".row.even" root))
(should-not (esxml-query ".row.foo" root))
(should (equal (esxml-node-children (esxml-query ".row .value" root))
'("1")))
(should (equal (esxml-node-children (esxml-query ".row.odd .value" root))
'("2")))
(should (equal (esxml-node-children (esxml-query ".even .value, .odd .value" root))
'("1")))
(should (eq (esxml-node-tag (esxml-query "[rel=self]" root)) 'link))
(should-not (esxml-query "[rel=elf]" root))
(should-not (esxml-query "[rel=sel]" root))
(should-not (esxml-query "[rel=selfie]" root))
(should (equal (esxml-node-children (esxml-query "[class='row even'] td" root))
'("Foo")))
(should (esxml-query "[class^=row]" root))
(should (esxml-query "[class$=row]" root))
(should-not (esxml-query "[class^=key]" root))
(should (esxml-query "[class$=key]" root))
(should-not (esxml-query "[class^=foo]" root))
(should-not (esxml-query "[class$=bar]" root))
(should (esxml-query "[charset^=utf][charset$='8']" root))
(should (esxml-query "[charset*=utf]" root))
(should (esxml-query "[class*=val]" root))
(should-not (esxml-query "[class*=foo]" root))
(should (esxml-query "[rel*=self]" root))
(should (esxml-query "[class*='l k']" root))
(should-not (esxml-query "[charset~=utf]" root))
(should (esxml-query "[rel~=self]" root))
(should (esxml-query "[class~=row]" root))
(should (esxml-query "[class~=key]" root))
(should-not (esxml-query "[class~=foo]" root))
(should (equal (esxml-node-children (esxml-query "[class~=row][class~=odd] [class~=value]" root))
'("2")))
(should (equal (cdr (assq 'lang (esxml-node-attributes (esxml-query "[lang|=en]" root))))
"en-US"))
(should-not (esxml-query "[lang|=US]" root))))
(ert-deftest esxml-query-all-test ()
(let ((root esxml-query-document))
(should (equal (cl-remove-if 'not (mapcar 'esxml-node-tag
(esxml-query-all "*" root)))
'(html head meta link title
body table thead tr th th tbody tr td td tr td td)))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "table" root))
'(table)))
(should-not (esxml-query-all "foo" root))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "table, foo" root))
'(table)))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "foo, table" root))
'(table)))
(should-not (esxml-query-all "foo, bar" root))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "thead, tbody" root))
'(thead tbody)))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "tbody, thead" root))
'(thead tbody)))
(should-not (esxml-query-all "table table" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "table thead th" root)))
'("Key" "Value")))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "table td" root)))
'("Foo" "1" "Bar" "2")))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "table * td" root)))
'("Foo" "1" "Bar" "2")))
(should-not (esxml-query-all "td foo" root))
(should-not (esxml-query-all "tr foo td" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "tbody>tr>td" root)))
'("Foo" "1" "Bar" "2")))
(should-not (esxml-query-all "tr>foo" root))
(should-not (esxml-query-all "foo>td" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "#heading>th" root)))
'("Key" "Value")))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "tr#heading" root))
'(tr)))
(should (equal (mapcar 'esxml-node-tag (esxml-query-all "#heading" root))
'(tr)))
(should-not (esxml-query-all "th#heading" root))
(should-not (esxml-query-all "tr #heading" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all ".row>td" root)))
'("Foo" "1" "Bar" "2")))
(should-not (esxml-query-all ".foo" root))
(should (= (length (esxml-query-all ".row.even" root)) 1))
(should-not (esxml-query-all ".row.foo" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all ".row .value" root)))
'("1" "2")))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all ".row.odd .value" root)))
'("2")))
(should (= (length (esxml-query-all ".even, .odd" root)) 2))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all ".even .value, .odd .value" root)))
'("1" "2")))
(should (eq (esxml-node-tag (car (esxml-query-all "[rel=self]" root)))
'link))
(should-not (esxml-query-all "[rel=elf]" root))
(should-not (esxml-query-all "[rel=sel]" root))
(should-not (esxml-query-all "[rel=selfie]" root))
(should (equal (mapcar 'car (mapcar 'esxml-node-children (esxml-query-all "[class='row even'] td" root)))
'("Foo" "1")))
(should (= (length (esxml-query-all "[class^=row]" root)) 3))
(should (= (length (esxml-query-all "[class$=row]" root)) 1))
(should-not (esxml-query-all "[class^=key]" root))
(should (= (length (esxml-query-all "[class$=key]" root)) 2))
(should-not (esxml-query-all "[class^=foo]" root))
(should-not (esxml-query-all "[class$=bar]" root))
(should (= (length (esxml-query-all "[charset^=utf][charset$='8']" root)) 1))
(should (= (length (esxml-query-all "[charset*=utf]" root)) 1))
(should (= (length (esxml-query-all "[class*=val]" root)) 2))
(should-not (esxml-query-all "[class*=foo]" root))
(should (= (length (esxml-query-all "[rel*=self]" root)) 1))
(should (= (length (esxml-query-all "[class*='l k']" root)) 2))
(should-not (esxml-query-all "[charset~=utf]" root))
(should (= (length (esxml-query-all "[rel~=self]" root)) 1))
(should (= (length (esxml-query-all "[class~=row]" root)) 3))
(should (= (length (esxml-query-all "[class~=key]" root)) 2))
(should-not (esxml-query-all "[class~=foo]" root))
(should (equal (car (esxml-node-children (car (esxml-query-all "[class~=row][class~=odd] [class~=value]" root))))
"2"))
(should (equal (cdr (assq 'lang (esxml-node-attributes (car (esxml-query-all "[lang|=en]" root)))))
"en-US"))
(should-not (esxml-query-all "[lang|=US]" root))))
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