Nudge-Screen

bookstaxTests/StringHTMLTests.swift

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+import Testing
+@testable import bookstax
+
+@Suite("String – strippingHTML")
+struct StringHTMLTests {
+
+    // MARK: Basic tag removal
+
+    @Test("Simple tag is removed")
+    func simpleTag() {
+        #expect("<p>Hello</p>".strippingHTML == "Hello")
+    }
+
+    @Test("Bold tag is removed")
+    func boldTag() {
+        #expect("<b>Bold</b>".strippingHTML == "Bold")
+    }
+
+    @Test("Nested tags are fully stripped")
+    func nestedTags() {
+        #expect("<div><p><span>Deep</span></p></div>".strippingHTML == "Deep")
+    }
+
+    @Test("Self-closing tags are removed")
+    func selfClosingTag() {
+        let result = "Before<br/>After".strippingHTML
+        // NSAttributedString adds a newline for <br>, so just check both words are present
+        #expect(result.contains("Before"))
+        #expect(result.contains("After"))
+    }
+
+    // MARK: HTML entities
+
+    @Test("&amp; decodes to &")
+    func ampersandEntity() {
+        #expect("Cats &amp; Dogs".strippingHTML == "Cats & Dogs")
+    }
+
+    @Test("&lt; and &gt; decode to < and >")
+    func angleEntities() {
+        #expect("&lt;tag&gt;".strippingHTML == "<tag>")
+    }
+
+    @Test("&nbsp; is decoded (non-empty result)")
+    func nbspEntity() {
+        let result = "Hello&nbsp;World".strippingHTML
+        #expect(!result.isEmpty)
+        #expect(result.contains("Hello"))
+        #expect(result.contains("World"))
+    }
+
+    @Test("&quot; decodes to double quote")
+    func quotEntity() {
+        #expect("Say &quot;hi&quot;".strippingHTML == "Say \"hi\"")
+    }
+
+    // MARK: Edge cases
+
+    @Test("Empty string returns empty string")
+    func emptyString() {
+        #expect("".strippingHTML == "")
+    }
+
+    @Test("Plain text without HTML is returned unchanged")
+    func plainText() {
+        #expect("No tags here".strippingHTML == "No tags here")
+    }
+
+    @Test("Leading and trailing whitespace is trimmed")
+    func trimmingWhitespace() {
+        #expect("<p>  hello  </p>".strippingHTML == "hello")
+    }
+
+    @Test("HTML with attributes strips fully")
+    func tagsWithAttributes() {
+        let html = "<a href=\"https://example.com\" class=\"link\">Click here</a>"
+        #expect(html.strippingHTML == "Click here")
+    }
+
+    @Test("Complex real-world snippet is reduced to plain text")
+    func complexSnippet() {
+        let html = "<h1>Title</h1><p>First paragraph.</p><ul><li>Item 1</li></ul>"
+        let result = html.strippingHTML
+        #expect(result.contains("Title"))
+        #expect(result.contains("First paragraph"))
+        #expect(result.contains("Item 1"))
+    }
+}