test: verify real-world 5.5KB nowhr.xyz/s store link round-trips through the parser

commons/src/jvmTest/kotlin/com/vitorpamplona/amethyst/commons/richtext/RichTextParserNowhereJvmTest.kt

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.commons.richtext
+
+import com.vitorpamplona.amethyst.commons.model.EmptyTagList
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+class RichTextParserNowhereJvmTest {
+    @Test
+    fun realWorldNowhereStoreLinkRoundtripsThroughTheParser() {
+        // Verbatim from a real Nostr note ("Works, thanks!\n\nhttps://nowhr.xyz/s#..."): a
+        // published nowhr.xyz store catalogue with a ~5KB base64url fragment. Kept as a
+        // resource so the URL isn't subject to source-editor truncation.
+        val url =
+            this::class.java
+                .classLoader!!
+                .getResourceAsStream("richtext/realNowhereStoreUrl.txt")!!
+                .bufferedReader()
+                .readText()
+                .trim()
+
+        assertTrue(url.startsWith("https://nowhr.xyz/s#"), "resource lost its prefix")
+        assertTrue(url.length > 5000, "resource shorter than expected: ${url.length}")
+
+        val text = "Works, thanks!\n\n$url"
+
+        val state = RichTextParser().parseText(text, EmptyTagList, null)
+        val nowhere = state.paragraphs.flatMap { it.words }.firstOrNull { it is NowhereLinkSegment } as? NowhereLinkSegment
+
+        assertEquals(url, nowhere?.segmentText)
+        assertEquals("nowhr.xyz", nowhere?.host)
+        assertEquals("s", nowhere?.tool)
+        assertTrue(state.urlSet.withScheme.contains(url), "url not in detected withScheme set")
+    }
+}