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test.ml
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test.ml
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open OUnit2
open Soup
let map_option f = function
| None -> None
| Some v -> Some (f v)
let unwrap_option = function
| None -> failwith "trying to unwrap a None"
| Some v -> v
let page : string -> string =
let table = Hashtbl.create 7 in
let directory = "pages" in
Sys.readdir directory
|> Array.iter (fun file ->
let contents = file |> Filename.concat directory |> read_file in
Hashtbl.replace table file contents);
fun page_name -> Hashtbl.find table (page_name ^ ".html")
let suites = [
"lambdasoup" >::: [
("normal_return" >:: fun _ ->
assert_equal (with_stop (fun _ -> 0)) 0;
assert_equal (with_stop (fun _ -> "a")) "a");
("early_return" >:: fun _ ->
assert_equal (with_stop (fun stop -> stop.throw 0 |> ignore; 1)) 0;
assert_equal (with_stop (fun stop -> stop.throw "a" |> ignore; "b")) "a");
("nested_stop" >:: fun _ ->
assert_equal
(with_stop (fun stop ->
with_stop (fun _ ->
stop.throw 0 |> ignore; 1) + 1))
0);
("require_fails" >:: fun _ ->
(try require None |> ignore; false with | Failure _ -> true | _ -> false)
|> assert_bool "expected Failure");
("require_succeeds" >:: fun _ ->
assert_equal (require (Some 0)) 0);
("parse-select-list" >:: fun _ ->
let soup = page "list" |> parse in
let test selector expected_count =
assert_equal ~msg:selector
(soup |> select selector |> count) expected_count
in
test "li" 5;
test "ul li" 3;
test "ol li" 2;
test "ol\nli" 2;
test "ol\r\nli" 2;
test "ol\tli" 2;
test "body li" 5;
test "body > li" 0;
test "body > *" 3;
test "ul > li" 3;
test "* > li" 5;
test "* li" 5;
test "[id=one]" 1;
test "[id=six]" 0;
test "li[id]" 5;
test "ul[id]" 0;
test "li[id=two]" 1;
test ".odd" 3;
test ".even" 2;
test "li.odd" 3;
test "body.odd" 0;
test "#one" 1;
test "li#one" 1;
test "ul#one" 0;
test "ul#one_1" 0;
test "li[class~=odd]" 3;
test "li[id^=t]" 2;
test "li[id$=e]" 3;
test "li[id*=n]" 1;
test "p[data-foo|=bar]" 1;
test "p[data-foo|=baz]" 0;
test "li[class|=odd]" 3;
test "li:nth-child(1)" 2;
test "li:nth-child(3)" 1;
test "ul li ~ li" 2;
test "li ~ li" 3;
test "li + li" 3;
test ":root" 1;
test "html:root" 1;
test "li:root" 0;
test "ul li:nth-child(1) + li" 1;
test "ul li:nth-child(3) + li" 0;
test "ul li:nth-child(even)" 1;
test "ul li:nth-child(odd)" 2;
test "ul li:nth-child(2n)" 1;
test "ul li:nth-child(2n)#two" 1;
test "ul li:nth-child(2n+1)" 2;
test "ul li:nth-child(2n-1)" 2;
test "ul li:nth-child(2n+1)#one" 1;
test "ul li:nth-child(2n+1)#three" 1;
test "ul li:nth-child(2n+1)#two" 0;
test "li:nth-last-child(1)" 2;
test "ul li:nth-last-child(1)" 1;
test "ul li:nth-last-child(odd)" 2;
test "ul:nth-of-type(1)" 1;
test "ul:nth-of-type(2)" 0;
test "ul:nth-last-of-type(1)" 1;
test "li:first-child" 2;
test "li:last-child" 2;
test "li:last-of-type" 2;
test "li:first-of-type" 2;
test "html:only-child" 1;
test "body:only-child" 0; (* There is an implicit <head> element. *)
test "body:only-of-type" 1;
test "li:only-of-type" 0;
test "li:contains(\"Item\")" 5;
test "li:contains(\"5\")" 1;
test "li:empty" 0;
test "p:empty" 1;
test "ul li:not(:nth-child(1))" 2;
test ":not(ul) > li" 2;
test
("html:root > body.lists[class~=lists] > ul > li#one:nth-child(1) " ^
"+ li#two")
1);
("parse-select-quoted" >:: fun _ ->
let soup = page "quoted" |> parse in
let test selector expected_count =
assert_equal ~msg:selector
(soup |> select selector |> count) expected_count
in
test "[id=\"one\"]" 1;
test "[id='one']" 1;
test "[id=\"six\"]" 0;
test "[id='six']" 0;
test "li[id=\"two\"]" 1;
test "li[id='two']" 1;
test "li[class~=\"odd\"]" 3;
test "li[class~='odd']" 3;
test "li[id^=\"t\"]" 2;
test "li[id^='t']" 2;
test "li[id$=\"e\"]" 3;
test "li[id$='e']" 3;
test "li[id*=\"n\"]" 1;
test "li[id*='n']" 1;
test "[id=\"bracket]\"]" 1;
test "[id=\"parenthesis)\"]" 1;
test "[id='\"dquotes\"']" 1;
test "[id=\"dquotes\"]" 0;
test "[id=\"\\\"dquotes\\\"\"]" 1;
test "[id=\"simple'quote\"]" 1;
test "[id='simple\\'quote']" 1;
test "[id='back\\slash']" 1);
("parse-fail-quoted" >:: fun _ ->
let soup = page "quoted" |> parse in
let test selector =
(try
soup |> select selector |> ignore; false
with
| Soup.Parse_error _ -> true
| _ -> false) |> assert_bool "expected Failure"
in
test "[id=\"unterminated]";
test "[id=\"un\"escaped\"]";
test "[id='unterminated]";
test "[id='un'escaped']");
("parse-select-escaped" >:: fun _ ->
let soup = page "quoted" |> parse in
let test selector expected_count =
assert_equal ~msg:selector
(soup |> select selector |> count) expected_count
in
test "#bracket\\]" 1;
test "#colon\\:" 1;
test "#\\parenthesis\\)" 1;
test "#trailing-backslash\\" 1;
test "#b\\72 acket\\]" 1;
test "#b\\72\tacket\\]" 1;
test "#b\\72\nacket\\]" 1;
test "#b\\72\r\nacket\\]" 1;
test "#b\\000072acket\\]" 1;
test "#\\62racket\\]" 1;
test "#b\\72\racket\\]" 0;
test "#b\\abcdefacket\\]" 0;
test "#b\\ABCDEFacket\\]" 0);
("parse-select-html5" >:: fun _ ->
let soup = page "html5" |> parse in
let test selector expected_count =
assert_equal ~msg:selector (soup $$ selector |> count) expected_count
in
test "nav" 1;
test "nav a" 2;
test "header" 1;
test "main" 1;
test "section" 1;
test "article" 2;
test "footer" 1);
("parse-select-google" >:: fun _ ->
assert_equal (page "google" |> parse $$ "form[action]" |> count) 1);
("parse-error" >:: fun _ ->
let soup = parse "<p></p>" in
let test selector expected_message =
let result =
try soup |> select selector |> ignore; false
with
| Failure s ->
assert_failure (Printf.sprintf "%s: got \"%s\"" selector s)
| Soup.Parse_error message ->
if (message <> expected_message) then assert_failure
(Printf.sprintf
"Incorrect parse error for '%s': expected '%s' but got '%s'"
selector expected_message message)
else true
in
if not result then
assert_failure (Printf.sprintf "%s: parse succeeded" selector)
in
test "[]" "expected an identifier";
test ";" "expected tag name or '*'";
test "." "expected an identifier";
test "#" "expected an identifier";
test ">" "expected simple selector";
test "::" "expected an identifier";
test ":foo" "unknown pseudo-class or pseudo-element ':foo'";
test ":nth-child" "expected parenthesized expression";
test ":nth-child(n" "unterminated '('";
test ":nth-child(o)" "expected 'n', 'even', or 'odd'";
test ":nth-child(m)" "expected expression";
test ":nth-child(2n+" "expected number after '+' or '-'";
test ":contains(foo)" "expected quoted string";
test ":contains(" "expected quoted string";
test "[foo|]" "expected attribute operator";
test "[foo" "unterminated attribute selector";
test "[foo*=" "unterminated attribute selector";
test "[foo*=]" "expected value in attribute selector";
test "[foo=b" "unterminated attribute selector";
test "[foo&=bar]" "invalid attribute operator '&='";
);
("generalized-select" >:: fun _ ->
let soup = page "list" |> parse in
let test root selector expected_count =
assert_equal ~msg:selector
(root |> select selector |> count) expected_count
in
test (soup $ "html") "" 1;
test (soup $ "ul") "+ ol" 1;
test (soup $ "ul") "+ p" 0;
test (soup $ "ul") "~ p" 1;
test (soup $ "ul") "~ *" 2;
test (soup $ "body") "> *" 3);
("select-attribute-operators" >:: fun _ ->
let soup = "<form action=\"/continue\"></form>" |> parse in
assert_equal (soup $$ "form[action=/continue]" |> count) 1);
("select_one" >:: fun _ ->
let soup = page "list" |> parse in
let present selector =
assert_bool selector ((soup $? selector) <> None)
in
let absent selector =
assert_bool selector ((soup $? selector) = None)
in
present "li";
absent "div";
present "ol";
absent "ol:first-child";
present "ul:first-child";
present "ul:first-of-type";
absent "ul:nth-of-type(2)";
present "ol + p";
absent "ul + p";
present "ul ~ p");
("element-name" >:: fun _ ->
let soup = page "list" |> parse in
let has_name selector name' =
assert_equal ~msg:selector (soup $ selector |> name) name'
in
has_name "html" "html";
has_name "body" "body";
has_name "#two" "li");
("attribute" >:: fun _ ->
let soup = page "list" |> parse in
let has selector attr =
assert_bool selector (soup $ selector |> has_attribute attr)
in
let doesn't_have selector attr =
assert_bool selector (soup $ selector |> has_attribute attr |> not)
in
has "body" "class";
has "[class]" "class";
has "li" "id";
doesn't_have "body" "id";
let value selector attr value =
assert_equal ~msg:selector (soup $ selector |> attribute attr) value
in
value "body" "class" (Some "lists");
value "li#two" "id" (Some "two");
value "html" "id" None;
let classes selector class_list =
assert_equal ~msg:selector (soup $ selector |> classes) class_list
in
classes "p" ["a"; "b"];
classes "html" [];
classes "li:nth-child(1)" ["odd"];
let id selector value =
assert_equal ~msg:selector (soup $ selector |> id) value
in
id "li:nth-child(2)" (Some "two");
id "body" None);
("classes" >:: fun _ ->
let soup =
parse "<p id='first' class=''><p id='second' class='foo bar baz'>" in
assert_equal (soup $ "#first" |> classes) [];
assert_equal (soup $ "#second" |> classes) ["foo"; "bar"; "baz"]);
("matches-selector" >:: fun _ ->
let soup = parse "<div> <p id='foo'>bar</p> </div>" in
let elem = select_one "div p#foo" soup |> unwrap_option in
assert_bool "element matches selector" (matches_selector soup "div p#foo" elem)
);
("fold_attributes" >:: fun _ ->
let s =
page "list"
|> parse
$ "#four"
|> fold_attributes (fun acc name value ->
(Printf.sprintf "%s=%s" name value)::acc) []
|> List.rev
|> String.concat " "
in
assert_equal s "id=four class=odd");
("element-coerce" >:: fun _ ->
let soup = page "list" |> parse in
let list = soup $ "ul" in
let item = list |> children |> elements |> R.first in
assert_bool "is_element" (is_element item);
assert_bool "element" (element item <> None);
assert_bool "coerce" (Obj.magic item == coerce item);
let item_text = item |> children |> R.first in
assert_bool "not is_element" (is_element item_text |> not);
assert_bool "element is None" (element item_text = None));
("content-access" >:: fun _ ->
let soup = page "list" |> parse in
assert_equal (soup $ "li#one" |> leaf_text) (Some "Item 1");
assert_equal
(soup $ "li#one" |> children |> R.first |> leaf_text)
(Some "Item 1");
assert_equal (soup $ "ul" |> leaf_text) None;
assert_equal (soup $ "li#one" |> texts) ["Item 1"];
assert_equal
(soup $ "ul" |> texts)
["\n "; "Item 1"; "\n "; "Item 2"; "\n "; "Item 3"; "\n"];
assert_equal
(soup $ "ul" |> trimmed_texts)
["Item 1"; "Item 2"; "Item 3"]);
("leaf_text-whitespace" >:: fun _ ->
let soup = "<p> <span> <em>foobar</em> </span> </p>" |> parse in
assert_equal (leaf_text soup) (Some "foobar"));
("leaf_text-empty" >:: fun _ ->
let soup = "<p></p>" |> parse in
assert_equal (leaf_text soup) (Some ""));
("texts-whole-document" >:: fun _ ->
let soup = "<p>foo</p><p>bar</p>" |> parse in
assert_equal (texts soup) ["foo"; "bar"]);
("children-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_count selector n =
assert_equal ~msg:selector (soup $ selector |> children |> count) n
in
expected_count "ul" 7;
expected_count "li" 1;
expected_count "p" 0;
assert_equal ~msg:"soup nodes" (soup |> children |> count) 1;
assert_equal ~msg:"li node nodes"
(soup $ "li" |> children |> R.first |> children |> count) 0;
assert_equal ~msg:"first element"
(soup |> children |> R.first |> R.element |> name) "html";
assert_equal ~msg:"nth: ul"
(soup $ "body" |> children |> R.nth 2 |> R.element |> name) "ul";
assert_equal ~msg:"nth: ol"
(soup $ "body" |> children |> R.nth 4 |> R.element |> name) "ol");
("elements-filter" >:: fun _ ->
let soup = page "list" |> parse in
let all_children = soup $ "ul" |> children in
assert_equal (all_children |> count) 7;
assert_bool "first child not element"
(all_children |> R.first |> is_element |> not);
let only_elements = all_children |> elements in
assert_equal (only_elements |> count) 3;
let is_list_item n =
assert_equal (only_elements |> R.nth n |> name) "li"
in
is_list_item 1;
is_list_item 2;
is_list_item 3);
("descendants-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_count selector n =
assert_equal ~msg:selector (soup $ selector |> descendants |> count) n
in
expected_count "li" 1;
expected_count "p" 0;
expected_count "ul" 10;
expected_count "ol" 7;
expected_count "body" 24;
expected_count "html" 26;
assert_equal ~msg:"soup descendants" (soup |> descendants |> count) 27;
assert_equal ~msg:"body descendant names"
(soup $ "body" |> descendants |> elements |> to_list |> List.map name)
["ul"; "li"; "li"; "li"; "ol"; "li"; "li"; "p"]);
("ancestors-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_tags selector tags =
assert_equal ~msg:selector
(soup $ selector |> ancestors |> to_list |> List.map name)
tags
in
expected_tags "html" [];
expected_tags "body" ["html"];
expected_tags "ul" ["body"; "html"];
expected_tags "li" ["ul"; "body"; "html"];
assert_equal
(soup $ "li" |> children |> R.first |> ancestors
|> to_list |> List.map name)
["li"; "ul"; "body"; "html"];
assert_equal (soup |> ancestors |> to_list) []);
("siblings-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_count selector n =
assert_equal ~msg:selector (soup $ selector |> siblings |> count) n in
expected_count "html" 0;
expected_count "ol" 6;
assert_equal
(soup $ "body" |> children |> R.first |> siblings |> count) 6;
assert_equal
(soup $ "ol" |> siblings |> elements |> to_list |> List.map name)
["ul"; "p"]);
("next-siblings-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_count selector n =
assert_equal ~msg:selector (soup $ selector |> next_siblings |> count) n
in
expected_count "html" 0;
expected_count "ul" 5;
assert_equal
(soup $ "body" |> children |> R.first |> next_siblings |> count) 6;
assert_equal
(soup $ "ul" |> next_siblings |> elements |> to_list |> List.map name)
["ol"; "p"]);
("previous-siblings-traversal" >:: fun _ ->
let soup = page "list" |> parse in
let expected_count selector n =
assert_equal ~msg:selector
(soup $ selector |> previous_siblings |> count)
n
in
expected_count "html" 0;
expected_count "ul" 1;
expected_count "p" 5;
let expected_count_at_nth_child selector n count' =
assert_equal ~msg:selector
(soup $ selector |> children |> R.nth n |> previous_siblings |> count)
count'
in
expected_count_at_nth_child "body" 1 0;
expected_count_at_nth_child "body" 3 2;
assert_equal
(soup $ "p" |> previous_siblings |> elements
|> to_list |> List.map name)
["ol"; "ul"]);
("no-parent-siblings" >:: fun _ ->
let soup = parse "<html></html>" in
assert_equal (soup |> siblings |> count) 0;
assert_equal (soup |> next_siblings |> count) 0;
assert_equal (soup |> previous_siblings |> count) 0);
("to_list" >:: fun _ ->
assert_equal
(page "list" |> parse |> descendants |> elements
|> to_list |> List.map name)
["html"; "head"; "body"; "ul"; "li"; "li"; "li"; "ol"; "li"; "li";
"p"]);
("fold" >:: fun _ ->
let soup = page "list" |> parse in
assert_equal (soup |> descendants |> fold (fun v _ -> v + 1) 0) 27;
assert_equal
(soup |> descendants |> elements
|> fold (fun l e -> (name e)::l) [] |> List.rev)
["html"; "head"; "body"; "ul"; "li"; "li"; "li"; "ol"; "li"; "li";
"p"]);
("filter" >:: fun _ ->
assert_equal
(page "list" |> parse |> descendants |> elements
|> filter (fun e -> e |> children |> elements |> count = 0)
|> to_list |> List.map name)
["head"; "li"; "li"; "li"; "li"; "li"; "p"]);
("map" >:: fun _ ->
assert_equal
(page "list" |> parse $$ "body *"
|> map (fun e -> e |> ancestors |> R.first)
|> to_list |> List.map name)
["body"; "ul"; "ul"; "ul"; "body"; "ol"; "ol"; "body"]);
("filter_map" >:: fun _ ->
assert_equal
(page "list" |> parse |> descendants
|> filter_map element |> to_list |> List.map name)
["html"; "head"; "body"; "ul"; "li"; "li"; "li"; "ol"; "li"; "li";
"p"]);
("flatten" >:: fun _ ->
assert_equal
(page "list" |> parse $ "body" |> children
|> flatten (fun node -> children node |> elements)
|> to_list |> List.map R.id)
["one"; "two"; "three"; "four"; "five"]);
("iter" >:: fun _ ->
let tags = ref [] in
page "list" |> parse |> descendants |> elements
|> iter (fun e -> tags := (name e)::!tags);
assert_equal
(List.rev !tags)
["html"; "head"; "body"; "ul"; "li"; "li"; "li"; "ol"; "li"; "li";
"p"]);
("rev" >:: fun _ ->
let reversed =
"<p></p><table></table><img/>"
|> parse
|> children
|> elements
|> rev
|> to_list
in
assert_equal (List.map name reversed) ["img"; "table"; "p"]);
("projection" >:: fun _ ->
let nodes = page "list" |> parse $ "body" |> children |> elements in
let test f maybe_name =
assert_equal (nodes |> f |> map_option name) maybe_name
in
test (nth 1) (Some "ul");
test (nth 2) (Some "ol");
test (nth 3) (Some "p");
test (nth 0) None;
test (nth 4) None;
test first (Some "ul");
test last (Some "p");
assert_equal (nodes |> count) 3);
("index_of" >:: fun _ ->
let soup = page "list" |> parse in
let test f selector index =
assert_equal ~msg:selector (soup $ selector |> f) index
in
test index_of "html" 1;
test index_of "body" 2;
test index_of "ul" 2;
test index_of "ol" 4;
test index_of "p" 6;
test index_of_element "html" 1;
test index_of_element "body" 2;
test index_of_element "ul" 1;
test index_of_element "ol" 2;
test index_of_element "p" 3);
("index_of-special-case" >:: fun _ ->
let e = create_element "p" in
assert_equal (index_of e) 1;
assert_equal (index_of_element e) 1);
("tags" >:: fun _ ->
let soup = page "list" |> parse in
assert_equal
(soup |> tags "li" |> to_list |> List.map R.id)
["one"; "two"; "three"; "four"; "five"];
assert_equal (soup |> R.tag "p" |> name) "p";
assert_equal (soup |> tag "q") None);
("parent" >:: fun _ ->
let soup = page "list" |> parse in
let test selector maybe_parent_name =
assert_equal
(soup $ selector |> parent |> map_option name)
maybe_parent_name
in
test "html" None;
test "body" (Some "html");
test "ul" (Some "body");
test "ol" (Some "body"));
("child" >:: fun _ ->
let soup = page "list" |> parse in
let test f selector value =
assert_equal ~msg:selector
(soup $ selector |> f |> map_option (fun node ->
match element node with
| None -> R.leaf_text node
| Some e -> name e))
value
in
test child "body" (Some "\n\n");
test child_element "body" (Some "ul"));
("sibling" >:: fun _ ->
let soup = page "list" |> parse in
let test f selector index =
assert_equal (soup $ selector |> f |> map_option index_of) index
in
test next_sibling "ul" (Some 3);
test previous_sibling "ul" (Some 1);
test next_element "ul" (Some 4);
test previous_element "ol" (Some 2));
("child-predicate" >:: fun _ ->
let soup = page "list" |> parse in
let test f selector value = assert_equal (soup $ selector |> f) value in
test no_children "p" true;
test no_children "li" false;
test at_most_one_child "li" true;
test at_most_one_child "ul" false);
("is_root" >:: fun _ ->
let soup = page "list" |> parse in
assert_bool "soup" (soup |> is_root |> not);
assert_bool "html" (soup $ "html" |> is_root);
assert_bool "body" (soup $ "body" |> is_root |> not);
let bare = create_element "p" in
let child = create_element "a" in
append_child bare child;
assert_bool "p" (bare |> is_root);
assert_bool "a" (bare $ "a" |> is_root |> not));
("create_element" >:: fun _ ->
let element = create_element "p" in
set_attribute "id" "foo" element;
set_attribute "class" "foo bar" element;
assert_bool "is_element" (is_element element);
assert_equal (name element) "p";
set_name "li" element;
assert_equal (element |> name) "li";
assert_equal (element |> id) (Some "foo");
assert_equal (element |> attribute "id") (Some "foo");
assert_equal (element |> classes) ["foo"; "bar"];
assert_equal (element |> attribute "class") (Some "foo bar");
assert_equal (element |> parent) None;
assert_equal (element |> children |> count) 0);
("create_text" >:: fun _ ->
let node = create_text "foo" in
assert_bool "not is_element" (is_element node |> not);
assert_equal (node |> leaf_text) (Some "foo");
assert_equal (node |> texts) ["foo"];
assert_equal (node |> parent) None;
assert_equal (node |> children |> count) 0);
("create_soup" >:: fun _ ->
let soup = create_soup () in
assert_bool "not is_element" (is_element soup |> not);
assert_equal (soup |> children |> count) 0);
("create_element-fancy" >:: fun _ ->
let element =
create_element ~attributes:["href", "#"; "id", "here"] "a" in
assert_equal (attribute "href" element) (Some "#");
assert_equal (attribute "id" element) (Some "here");
assert_equal (attribute "class" element) None;
let element = create_element ~classes:["foo"; "bar"] "div" in
assert_bool "has class" (classes element |> List.mem "foo");
assert_bool "has class" (classes element |> List.mem "bar");
assert_bool "doesn't have class"
(classes element |> List.mem "lulz" |> not);
let element = create_element ~class_:"foo" "div" in
assert_bool "has class" (classes element |> List.mem "foo");
assert_bool "doesn't have class"
(classes element |> List.mem "lulz" |> not);
let element = create_element ~id:"foo" "div" in
assert_equal (attribute "id" element) (Some "foo");
let element = create_element ~inner_text:"Foo" "div" in
assert_equal (leaf_text element) (Some "Foo");
assert_equal (children element |> count) 1);
("insert_children" >:: fun _ ->
let element = create_element "p" in
let node1 = create_text "one" in
append_child element node1;
let node2 = create_text "two" in
append_child element node2;
assert_equal (node2 |> parent |> map_option name) (Some "p");
assert_equal (element |> children |> count) 2;
assert_equal (node1 |> index_of) 1;
assert_equal (node2 |> index_of) 2;
let node3 = create_text "three" in
prepend_child element node3;
assert_equal (node3 |> parent |> map_option name) (Some "p");
assert_equal (element |> children |> count) 3;
assert_equal (node3 |> index_of) 1;
assert_equal (node1 |> index_of) 2;
assert_equal (node2 |> index_of) 3;
let node4 = create_text "four" in
insert_at_index 2 element node4;
assert_equal (node4 |> parent |> map_option name) (Some "p");
assert_equal (element |> children |> count) 4;
assert_equal (node3 |> index_of) 1;
assert_equal (node4 |> index_of) 2;
assert_equal (node1 |> index_of) 3;
assert_equal (node2 |> index_of) 4;
let node5 = create_text "five" in
insert_before node3 node5;
assert_equal (node5 |> parent |> map_option name) (Some "p");
assert_equal (element |> children |> count) 5;
assert_equal (node5 |> index_of) 1;
let node6 = create_text "six" in
insert_after node1 node6;
assert_equal (node6 |> parent |> map_option name) (Some "p");
assert_equal (element |> children |> count) 6;
assert_equal (node6 |> index_of) 5;
let node7 = create_soup () in
let some_text = create_text "seven" in
append_root node7 some_text;
assert_equal (some_text |> parent) None;
assert_equal (node7 |> children |> count) 1;
insert_at_index 20 element node7;
assert_equal (node7 |> children |> count) 0;
assert_equal (some_text |> parent |> map_option name) (Some "p");
assert_equal (some_text |> index_of) 7;
assert_equal
(element |> texts)
["five"; "three"; "four"; "one"; "six"; "two"; "seven"]);
("append-prepend-root" >:: fun _ ->
let soup = parse "test2" in
append_root soup (parse "test3");
prepend_root soup (parse "test1");
assert_equal (soup |> texts) ["test1"; "test2"; "test3"]);
("delete" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let ul = body $ "ul" in
assert_bool "parent" (ul |> R.parent == body);
assert_equal
(body |> children |> elements |> to_list |> List.map name)
["ul"; "ol"; "p"];
delete ul;
assert_equal (ul |> parent) None;
assert_equal
(body |> children |> elements |> to_list |> List.map name)
["ol"; "p"]);
("clear" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let original_children = body |> children |> to_list in
clear body;
assert_equal (body |> children |> count) 0;
original_children |> List.iter (fun child ->
assert_equal (parent child) None);
try
"foo" |> parse |> R.child |> clear;
assert_failure "expected exception"
with Failure _ -> ());
("replace" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let ul = body $ "ul" in
let ol = body $ "ol" in
replace ul ol;
assert_equal
(body |> descendants |> elements |> to_list |> List.map name)
["ol"; "li"; "li"; "p"];
assert_equal
(ul |> descendants |> elements |> to_list |> List.map name)
["li"; "li"; "li"]);
("swap" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let ul = body $ "ul" in
let ol = body $ "ol" in
let ul_li = ul $ "li" in
let ol_li = ol $ "li" in
swap ul ol;
assert_equal
(body |> descendants |> elements |> to_list |> List.map name)
["ol"; "li"; "li"; "li"; "p"];
assert_equal (ul |> children |> elements |> count) 2;
assert_equal (ul_li |> R.parent |> name) "ol";
assert_equal (ol_li |> R.parent |> name) "ul");
("wrap" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let ul = body $ "ul" in
let div = create_element "div" in
wrap ul div;
assert_equal
(body |> descendants |> elements |> to_list |> List.map name)
["div"; "ul"; "li"; "li"; "li"; "ol"; "li"; "li"; "p"]);
("unwrap" >:: fun _ ->
let body = page "list" |> parse $ "body" in
let ul = body $ "ul" in
unwrap ul;
assert_equal
(body |> descendants |> elements |> to_list |> List.map name)
["li"; "li"; "li"; "ol"; "li"; "li"; "p"];
assert_equal
(body |> descendants |> elements |> filter (fun e -> id e <> None)
|> to_list |> List.map R.id)
["one"; "two"; "three"; "four"; "five"]);
("unwrap text" >:: fun _ ->
let soup = parse "<p>foo</p>" in
let text = soup $ "p" |> R.child in
unwrap text;
assert_equal (soup |> to_string) "<p></p>");
("mutate-attribute" >:: fun _ ->
let li = page "list" |> parse $ "li" in
assert_equal (li |> attribute "id") (Some "one");
li |> set_attribute "id" "foo";
assert_equal (li |> attribute "id") (Some "foo");
li |> delete_attribute "id";
assert_equal (li |> attribute "id") None;
assert_equal (li |> attribute "class") (Some "odd"));
("mutate-class-list" >:: fun _ ->
let li = page "list" |> parse $ "li" in
assert_equal (li |> attribute "class") (Some "odd");
li |> add_class "odder";
assert_equal (li |> attribute "class") (Some "odder odd");
li |> add_class "odd";
assert_equal (li |> attribute "class") (Some "odder odd");
li |> remove_class "odd";
assert_equal (li |> attribute "class") (Some "odder");
li |> remove_class "odd";
assert_equal (li |> attribute "class") (Some "odder");
li |> remove_class "odder";
assert_equal (li |> attribute "class") None);