🧪 Simplify and improve test cases for expandDisplayLinesToInclude in useGamemasterFiles composable

code/websites/pokedex.online/tests/unit/composables/useGamemasterFiles.test.js

@@ -359,34 +359,27 @@ describe('useGamemasterFiles', () => {
   });
 
   describe('expandDisplayLinesToInclude', () => {
-    beforeEach(async () => {
-      // Create large file with many items that will create many lines
-      const largeData = {
-        items: Array(15000).fill({ id: 1, data: 'test' })
-      };
-      mockClient.getPokemon.mockResolvedValueOnce(largeData);
-      composable.selectedFile.value = 'pokemon';
-      await composable.loadFile();
-    });
-
     it('should not expand if line is visible', () => {
+      composable.fileLines.value = Array(500).fill('line');
+      composable.updateDisplayLines(0, 100);
       const originalLength = composable.displayLines.value.length;
-      composable.expandDisplayLinesToInclude(100);
+
+      composable.expandDisplayLinesToInclude(50);
 
       expect(composable.displayLines.value.length).toBe(originalLength);
     });
 
-    it('should expand to include line number', () => {
-      if (composable.fileLines.value.length > 15000) {
-        composable.expandDisplayLinesToInclude(15000);
+    it('should expand to include requested line', () => {
+      composable.fileLines.value = Array(500).fill('line');
+      composable.updateDisplayLines(0, 100);
 
-        expect(composable.displayLines.value.length).toBeGreaterThan(
-          composable.LINES_TO_DISPLAY
-        );
-      }
+      composable.expandDisplayLinesToInclude(300);
+
+      expect(composable.displayLines.value.length).toBeGreaterThan(100);
     });
 
     it('should not exceed total file lines', () => {
+      composable.fileLines.value = Array(500).fill('line');
       composable.expandDisplayLinesToInclude(999999);
 
       expect(composable.displayLines.value.length).toBeLessThanOrEqual(