1 files changed, 47 insertions, 0 deletions
diff --git a/app/src/test/java/org/terst/feedreader/readability/ArticleLitterTest.kt b/app/src/test/java/org/terst/feedreader/readability/ArticleLitterTest.kt
new file mode 100644
index 0000000..121783b
--- /dev/null
+++ b/app/src/test/java/org/terst/feedreader/readability/ArticleLitterTest.kt
@@ -0,0 +1,47 @@
+package org.terst.feedreader.readability
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+/**
+ * The single entry point both cleaning sites call.
+ *
+ * The thing worth testing is that it applies *every* cleaner, because the failure it exists to
+ * prevent is a cleaner that only runs on one of the two paths.
+ */
+class ArticleLitterTest {
+
+    private val recirculationWidget =
+        """<div data-mrf-recirculation="IL_x" data-testid="text-html">""" +
+            """<p><h3><span>Trending</span></h3></p></div>"""
+
+    private val preferredSourceBadge =
+        """<p><a href="https://www.google.com/preferences/source?q=westhawaiitoday.com">""" +
+            """<img src="https://example.com/google_preferred_source_badge_light_en.png" """ +
+            """alt="Add as a preferred source on Google"></a></p>"""
+
+    @Test
+    fun `removes both kinds of litter from one body`() {
+        val html = "$preferredSourceBadge<p>Real sentence.</p>$recirculationWidget"
+
+        val cleaned = ArticleLitter.strip(html)!!
+
+        assertFalse("badge survived: $cleaned", cleaned.contains("preferences/source"))
+        assertFalse("widget survived: $cleaned", cleaned.contains("Trending"))
+        assertTrue(cleaned.contains("Real sentence."))
+    }
+
+    @Test
+    fun `leaves a clean article untouched`() {
+        val html = "<p>Nothing to clean.</p>"
+
+        assertEquals(html, ArticleLitter.strip(html))
+    }
+
+    @Test
+    fun `copes with nothing`() {
+        assertEquals(null, ArticleLitter.strip(null))
+    }
+}