Add Tests for emoji markdown

package.json

@@ -32,6 +32,7 @@
     "test:mustache-syntax:block": "jest \".*(mustache-syntax).*\" -t '^Block:.*' --verbose --noStackTrace",
     "test:mustache-syntax:injection": "jest \".*(mustache-syntax).*\" -t '^Injection:.*' --verbose --noStackTrace",
     "test:definition-lists": "jest tests/markdown/definition-lists.test.js --verbose --noStackTrace",
+    "test:emojis": "jest tests/markdown/emojis.test.js --verbose --noStackTrace",
     "test:route": "jest tests/routes/static-pages.test.js --verbose",
     "phb": "node scripts/phb.js",
     "prod": "set NODE_ENV=production && npm run build",

tests/markdown/emojis.test.js

@@ -0,0 +1,58 @@
+const Markdown = require('naturalcrit/markdown.js');
+const dedent = require('dedent-tabs').default;
+
+// Marked.js adds line returns after closing tags on some default tokens.
+// This removes those line returns for comparison sake.
+String.prototype.trimReturns = function(){
+	return this.replace(/\r?\n|\r/g, '');
+};
+
+const emoji = 'df_d12_2';
+
+describe(`When emojis/icons are active`, ()=>{
+	it('when a word is between two colons (:word:), and a matching emoji exists, it is rendered as an emoji', function() {
+		const source = `:${emoji}:`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p><i class="df d12-2"></i></p>`);
+	});
+
+	it('when a word is between two colons (:word:), and no matching emoji exists, it is not parsed', function() {
+		const source = `:invalid:`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>:invalid:</p>`);
+	});
+
+	it('two valid emojis with no whitespace are prioritized over definition lists', function() {
+		const source = `:${emoji}::${emoji}:`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p><i class="df d12-2"></i><i class="df d12-2"></i></p>`);
+	});
+
+	it('definition lists that are not also part of an emoji can coexist with normal emojis', function() {
+		const source = `definition :: term ${emoji}::${emoji}:`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<dl><dt>definition</dt><dd>term df_d12_2:<i class="df d12-2"></i></dd></dl>`);
+	});
+
+	it('A valid emoji is compatible with curly injectors', function() {
+		const source = `:${emoji}:{color:blue,myClass}`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p><i class="df d12-2 myClass" style="color:blue;"></i></p>`);
+	});
+
+	it('Emojis are not parsed inside of curly span CSS blocks', function() {
+		const source = `{{color:${emoji} text}}`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<span class="inline-block" style="color:df_d12_2;">text</span>`);
+	});
+
+	it('Emojis are not parsed inside of curly div CSS blocks', function() {
+		const source = dedent`{{color:${emoji}
+													text
+													}}`;
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<div class="block" style="color:df_d12_2;"><p>text</p></div>`);
+	});
+
+	// another test of the editor to confirm an autocomplete menu opens
+});