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41d95abc5c
Noto Sans Symbols lacks most arrows and math operators. Fall back to Noto Sans Math for them, and to Noto Sans for letterlike symbols. Closes #12469 AI-assisted-by: claude-opus-5-5
38 lines
1.6 KiB
Clojure
38 lines
1.6 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) KALEIDOS SUBSIDIARY SL
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(ns common-tests.fonts-test
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(:require
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[app.common.fonts :as cfnt]
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[clojure.test :as t]))
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(defn- fallback-font-ids
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[text]
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(->> (cfnt/collect-used-languages #{} text)
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(cfnt/add-noto-fonts #{})
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(into #{} (map :font-id))))
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(t/deftest math-symbols-use-noto-sans-math
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(t/testing "arrows"
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(t/is (contains? (fallback-font-ids "↳") "gfont-noto-sans-math"))
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(t/is (contains? (fallback-font-ids "⇒") "gfont-noto-sans-math")))
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(t/testing "mathematical operators"
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(t/is (contains? (fallback-font-ids "∀x ∈ A") "gfont-noto-sans-math"))
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(t/is (contains? (fallback-font-ids "a ≠ b") "gfont-noto-sans-math")))
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(t/testing "supplemental arrows and operators"
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(t/is (contains? (fallback-font-ids "⟹") "gfont-noto-sans-math"))
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(t/is (contains? (fallback-font-ids "⤴") "gfont-noto-sans-math"))
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(t/is (contains? (fallback-font-ids "⨁") "gfont-noto-sans-math"))))
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(t/deftest letterlike-symbols-use-noto-sans
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(t/is (contains? (fallback-font-ids "x ∈ ℝ") "gfont-noto-sans"))
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(t/is (contains? (fallback-font-ids "20 ℃") "gfont-noto-sans"))
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(t/is (contains? (fallback-font-ids "Penpot™") "gfont-noto-sans")))
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(t/deftest plain-text-does-not-use-noto-sans-math
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(t/is (not (contains? (fallback-font-ids "Hello world") "gfont-noto-sans-math")))
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(t/is (not (contains? (fallback-font-ids "★ ☀") "gfont-noto-sans-math"))))
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