Bryce
bdb286ca71
The strangler foundation for migrating interactive SSR components from Hiccup to
Selmer (plain-HTML Alpine/HTMX attributes instead of mixed keyword/string encodings).
- project.clj: add [selmer "1.12.61"].
- auto-ap.ssr.selmer: render / render-str (selmer/render-file + string), hiccup->html
(Hiccup -> string for {{ frag|safe }}), raw (wrap a rendered fragment for embedding
in a Hiccup tree without double-escaping), render->hiccup.
- resources/templates/interop-smoke.html: proves render-file from the classpath and
that plain-HTML alpine attrs (x-model, @keydown, tippy?.show()) pass through verbatim.
- selmer_test: 4 tests / 8 assertions covering both interop directions; all green.
Proven via REPL + tests: a Hiccup component renders inside a Selmer template, and a
Selmer fragment renders inside a Hiccup tree. Both valid during the transition.
37 lines
1.7 KiB
Clojure
37 lines
1.7 KiB
Clojure
(ns auto-ap.ssr.selmer-test
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(:require
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[auto-ap.ssr.selmer :as sut]
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[clojure.string :as str]
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[clojure.test :refer [deftest is testing]]
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[hiccup2.core :as h2]))
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(deftest hiccup->html
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(testing "renders a Hiccup form to an HTML string"
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(is (= "<span class=\"label\">A & B</span>"
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(sut/hiccup->html [:span.label "A & B"])))))
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(deftest selmer-embeds-hiccup
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(testing "a Hiccup component renders inside a Selmer template via |safe"
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(let [frag (sut/hiccup->html [:span.badge "from hiccup"])
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out (sut/render-str "<div>{{frag|safe}}</div>" {:frag frag})]
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(is (str/includes? out "<span class=\"badge\">from hiccup</span>"))
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;; without |safe the markup would be escaped; |safe keeps it verbatim
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(is (not (str/includes? out "<span"))))))
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(deftest selmer-fragment-inside-hiccup
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(testing "a Selmer fragment renders inside a Hiccup tree without double-escaping"
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(let [sel (sut/render-str "<a href=\"{{url}}\">{{label}}</a>" {:url "/x" :label "Go"})
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out (str (h2/html {} [:div (sut/raw sel)]))]
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(is (= "<div><a href=\"/x\">Go</a></div>" out)))))
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(deftest render-file-from-classpath
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(testing "render-file resolves a template under resources/templates and keeps plain-HTML Alpine/HTMX attrs"
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(let [out (sut/render "templates/interop-smoke.html"
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{:title "Interop OK"
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:hiccup_frag (sut/hiccup->html [:span.badge "from hiccup"])})]
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(is (str/includes? out "Interop OK"))
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(is (str/includes? out "from hiccup"))
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;; plain-HTML attributes (the whole point of Selmer) survive unambiguously
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(is (str/includes? out "x-model=\"value.value\""))
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(is (str/includes? out "tippy?.show()")))))
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