102 lines
4 KiB
Clojure
102 lines
4 KiB
Clojure
(ns cryogen-core.toc-test
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(:require [clojure.test :refer :all]
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[clojure.string :as s]
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[net.cgrand.enlive-html :as enlive]
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[hiccup.core :as hiccup]
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[cryogen-core.toc :refer :all]))
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; Reimport private functions
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(def get-headings #'cryogen-core.toc/get-headings)
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(def make-toc-entry #'cryogen-core.toc/make-toc-entry)
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(def build-toc-tree #'cryogen-core.toc/build-toc-tree)
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(def build-toc #'cryogen-core.toc/build-toc)
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(defn parse-to-headings
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[hiccup-seq]
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(-> hiccup-seq hiccup/html enlive/html-snippet get-headings))
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; Test that the get-headings function properly filters non-headers
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(deftest test-get-headings
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(let [noisy-headers [:div [:h1 "First H1"]
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[:p "Ignore..."]
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[:h2 "First H2"]]]
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(is (= (parse-to-headings noisy-headers)
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[{:tag :h1 :attrs nil :content ["First H1"]}
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{:tag :h2 :attrs nil :content ["First H2"]}]))))
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; Test that the make-toc-entry ignores invalid input
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(deftest test-make-toc-entry
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(is (nil?
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(make-toc-entry nil "Text")))
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(is (nil?
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(make-toc-entry "anchor" nil)))
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(is (= [:li [:a {:href "#anchor"} "Text"]]
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(make-toc-entry "anchor" "Text"))))
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; Test that the built table of contents always treats later
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; headers as being at the same level as earlier headers, even
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; if the later headers are strictly greater in value.
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; E.G.
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; * h2
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; * h3
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; * h1
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(deftest test-build-toc
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(let [simplest-header [:div [:h2 [:a {:name "test"}] "Test"]]
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no-headers [:div [:p "This is not a header"]]
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closing-header-larger-than-opening-1
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[:div [:h2 [:a {:name "starting_low"}]
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"Starting Low"]
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[:h1 [:a {:name "finishing_high"}]
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"Finishing High"]]
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closing-header-larger-than-opening-2
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[:div [:h2 [:a {:name "starting_low"}]
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"Starting Low"]
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[:h4 [:a {:name "jumping_in"}]
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"Jumping Right In"]
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[:h3 [:a {:name "pulling_back"}]
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"But then pull back"]
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[:h2 [:a {:name "to_the_top"}]
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"To the top"]]]
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(is (= [:ol.content (seq [[:li [:a {:href "#test"} "Test"]]])]
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(-> simplest-header
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(parse-to-headings)
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(build-toc-tree)
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(build-toc :ol))))
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(is (-> no-headers
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(parse-to-headings)
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(build-toc-tree)
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(build-toc :ol)
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(nil?)))
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(is (= [:ol.content (seq [[:li [:a {:href "#starting_low"} "Starting Low"]]
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[:li [:a {:href "#finishing_high"} "Finishing High"]]])]
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(-> closing-header-larger-than-opening-1
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(parse-to-headings)
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(build-toc-tree)
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(build-toc :ol)))
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"No outer header should be less indented than the first header tag.")
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(is (= [:ul.content
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(seq [(seq [[:li [:a {:href "#starting_low"} "Starting Low"]]
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[:ul
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(seq [[:li [:a {:href "#jumping_in"} "Jumping Right In"]]
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[:li [:a {:href "#pulling_back"} "But then pull back"]]])]])
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[:li [:a {:href "#to_the_top"} "To the top"]]])]
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(-> closing-header-larger-than-opening-2
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(parse-to-headings)
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(build-toc-tree)
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(build-toc :ul)))
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(s/join "" ["Inner headers can be more indented, "
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"but outer headers cannot be less indented "
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"than the original header."]))))
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(deftest test-generate-toc
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(let [htmlString "<div><h2><a name=\"test\"></a>Test</h2></div>"]
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(is (= "<ol class=\"content\"><li><a href=\"#test\">Test</a></li></ol>"
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(generate-toc htmlString)))
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(is (= "<ol class=\"content\"><li><a href=\"#test\">Test</a></li></ol>"
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(generate-toc htmlString :list-type true)))
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(is (= "<ol class=\"content\"><li><a href=\"#test\">Test</a></li></ol>"
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(generate-toc htmlString :list-type :ol)))
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(is (= "<ul class=\"content\"><li><a href=\"#test\">Test</a></li></ul>"
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(generate-toc htmlString :list-type :ul)))))
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