1 files changed, 55 insertions, 0 deletions
diff --git a/data-tests/test-order-of-album-groups.js b/data-tests/test-order-of-album-groups.js
new file mode 100644
index 00000000..de2fcbed
--- /dev/null
+++ b/data-tests/test-order-of-album-groups.js
@@ -0,0 +1,55 @@
+import * as util from 'util';
+
+export default function({
+  albumData,
+  groupCategoryData,
+}) {
+  const groupSchemaTemplate = [
+    ['Projects beyond Homestuck', 'Fandom projects'],
+    ['Solo musicians', 'Fan-musician groups'],
+    ['HSMusic'],
+  ];
+
+  const groupSchema =
+    groupSchemaTemplate.map(names => names.flatMap(
+      name => groupCategoryData
+        .find(gc => gc.name === name)
+        .groups));
+
+  const badAlbums = albumData.filter(album => {
+    const groups = album.groups.slice();
+    const disallowed = [];
+    for (const allowed of groupSchema) {
+      while (groups.length) {
+        if (disallowed.includes(groups[0]))
+          return true;
+        else if (allowed.includes(groups[0]))
+          groups.shift();
+        else break;
+      }
+      disallowed.push(...allowed);
+    }
+    return false;
+  });
+
+  if (!badAlbums.length) return true;
+
+  console.log(`Some albums don't list their groups in the right order:`);
+  for (const album of badAlbums) {
+    console.log('-', album);
+    for (const group of album.groups) {
+      console.log(`  - ${util.inspect(group)}`)
+    }
+  }
+
+  console.log(`Here's the group schema they should be updated to match:`);
+  for (const section of groupSchemaTemplate) {
+    if (section.length > 1) {
+      console.log(`- Groups from any of: ${section.join(', ')}`);
+    } else {
+      console.log(`- Groups from: ${section}`);
+    }
+  }
+
+  return false;
+}