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(ns dompa.nodes-test
#?(:clj
(:require
[clojure.test :refer [deftest is testing]]
[clojure.zip :as zip]
[dompa.html :as html]
[dompa.nodes :as nodes :refer [$ defhtml]]))
#?(:cljs
(:require
[cljs.test :refer-macros [deftest testing is]]
[clojure.zip :as zip]
[dompa.nodes :as nodes :refer [$] :refer-macros [defhtml]]
[dompa.html :as html])))
(defhtml hello [who]
($ :div
($ "hello " who)))
(deftest defhtml-test
(is (= "<div>hello world</div>"
(hello "world"))))
(defhtml list-items [items]
($ :ul
(->> items
(map (fn [item]
($ :li item)))
(into []))))
(deftest list-items-test
(is (= "<ul><li>one</li><li>two</li><li>three</li></ul>"
(list-items ["one" "two" "three"]))))
(defhtml empty-list-items [items]
($ :ul
(map (fn [item]
($ :li item))
items)))
(deftest empty-list-items-test
(testing "map over empty vector should not produce LazySeq string"
(is (= "<ul></ul>"
(empty-list-items []))))
(testing "map over non-empty vector should work"
(is (= "<ul><li>one</li><li>two</li></ul>"
(empty-list-items ["one" "two"])))))
(deftest $-test
(testing "a simple node"
(is (= {:node/name :div
:node/children [{:node/name :dompa/text
:node/value "hello world"}]}
($ :div "hello world"))))
(testing "a fragment node"
(is (= {:node/name :<>
:node/children [{:node/name :span
:node/children [{:node/name :dompa/text
:node/value "hello"}]}
{:node/name :span
:node/children [{:node/name :dompa/text
:node/value "world"}]}]}
($ :<>
($ :span
($ "hello"))
($ :span
($ "world"))))))
(testing "a nil node"
(is (= nil
($ nil))))
(testing "a string node"
(is (= {:node/name :dompa/text
:node/value "hello world"}
($ "hello world"))))
(testing "a node of multiple sub-nodes"
(is (= {:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "hello"}
{:node/name :dompa/text
:node/value "12345"}
{:node/name :dompa/text
:node/value "123.3"}
{:node/name :dompa/text
:node/value "world"}]}
($ "hello" 12345 nil 123.3 "world")))
(is (= {:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "hello"}
{:node/name :dompa/text
:node/value "12345"}
{:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "w"}
{:node/name :dompa/text
:node/value "o"}
{:node/name :dompa/text
:node/value "r"}
{:node/name :dompa/text
:node/value "l"}
{:node/name :dompa/text
:node/value "d"}]}]}
($ "hello" 12345 (map #($ %) ["w" "o" "r" "l" "d"]))))
(is (= {:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "hello"}
{:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "w"}
{:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "o"}
{:node/name :dompa/text
:node/value "r"}
{:node/name :<>
:node/children [{:node/name :dompa/text
:node/value "l"}
{:node/name :dompa/text
:node/value "d"}]}]}]}]}
($ "hello"
(map (fn [x]
($ x))
["w" (map (fn [x]
($ x))
["o" "r" (map (fn [x]
($ x))
["l" "d"])])]))))))
(deftest nil-in-hierarchy-does-not-remove-siblings-test
(testing "nil in a fragment should not remove sibling elements"
(is (= "<div>one</div><div>two</div>"
(nodes/->html
[($ :<>
($ :div "one")
($ :div "two")
nil)]))))
(testing "nil between siblings should not affect them"
(is (= "<div>one</div><div>two</div>"
(nodes/->html
[($ :<>
($ :div "one")
nil
($ :div "two"))]))))
(testing "multiple nils should not affect siblings"
(is (= "<div>one</div><div>two</div><div>three</div>"
(nodes/->html
[($ :<>
nil
($ :div "one")
nil
($ :div "two")
nil
($ :div "three")
nil)]))))
(testing "nil inside nested element should not affect parent siblings"
(is (= "<div><span>hello</span></div><div>world</div>"
(nodes/->html
[($ :<>
($ :div
($ :span "hello")
nil)
($ :div "world"))])))))
(deftest traverse-test
(let [traverser-fn (fn [node]
(if (= :dompa/text (:node/name node))
(assoc node :node/value "world hello")
node))]
(is (= "<div>world hello</div>"
(-> (html/->nodes "<div>hello world</div>")
(nodes/traverse traverser-fn)
nodes/->html)))))
(deftest zip-test
(let [nodes (html/->nodes "<div><p>hello</p><p>world</p></div>")
zipper (nodes/zip (first nodes))]
(is (= :div
(:node/name (zip/node zipper))))
(is (= "hello"
(-> zipper
zip/down
zip/down
zip/node
:node/value)))))
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