restructured site: split to separate sources. Search improved

site/src/jsTest/kotlin/LinkRewriteTest.kt

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+/*
+ * Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/*
+ * Tests for link and image rewriting in rendered markdown HTML.
+ */
+
+import kotlinx.browser.document
+import org.w3c.dom.HTMLAnchorElement
+import org.w3c.dom.HTMLDivElement
+import org.w3c.dom.HTMLImageElement
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class LinkRewriteTest {
+    private fun makeContainer(html: String): HTMLDivElement {
+        val div = document.createElement("div") as HTMLDivElement
+        div.innerHTML = html.trimIndent()
+        return div
+    }
+
+    @Test
+    fun testRewriteAnchorsAndImagesUsingDocBasePath() {
+        val html = """
+            <div class="markdown-body">
+              <p>
+                <a id="a1" href="Iterator.md">iterator page</a>
+                <a id="a2" href="Iterator.md#intro">iterator with frag</a>
+                <a id="a3" href="#install">install section</a>
+                <a id="a4" href="https://example.com">external</a>
+                <a id="a5" href="img/p.png">asset</a>
+              </p>
+              <p>
+                <img id="i1" src="images/pic.png" />
+              </p>
+            </div>
+        """
+        val root = makeContainer(html)
+
+        val currentDoc = "docs/tutorial.md"
+        val basePath = currentDoc.substringBeforeLast('/')
+
+        // exercise rewrites
+        rewriteImages(root, basePath)
+        rewriteAnchors(root, basePath, currentDoc) { /* no-op for tests */ }
+
+        // Validate anchors
+        val a1 = root.querySelector("#a1") as HTMLAnchorElement
+        assertEquals("#/docs/Iterator.md", a1.getAttribute("href"))
+
+        val a2 = root.querySelector("#a2") as HTMLAnchorElement
+        assertEquals("#/docs/Iterator.md#intro", a2.getAttribute("href"))
+
+        val a3 = root.querySelector("#a3") as HTMLAnchorElement
+        assertEquals("#/docs/tutorial.md#install", a3.getAttribute("href"))
+
+        val a4 = root.querySelector("#a4") as HTMLAnchorElement
+        // external should remain unchanged
+        assertEquals("https://example.com", a4.getAttribute("href"))
+
+        val a5 = root.querySelector("#a5") as HTMLAnchorElement
+        // non-md relative assets should become relative to doc directory (no SPA hash)
+        assertEquals("docs/img/p.png", a5.getAttribute("href"))
+
+        // Validate image src
+        val i1 = root.querySelector("#i1") as HTMLImageElement
+        assertEquals("docs/images/pic.png", i1.getAttribute("src"))
+    }
+}