fix unit tests

test/spec/modules/connatixBidAdapter_spec.js

@@ -224,7 +224,7 @@ describe('connatixBidAdapter', function () {
       getElementByIdStub.restore();
     });
 
-    it('should return viewability percentage when element is found with valid viewabilityContainerIdentifier', () => {
+    it('should return 100% viewability when the element is fully within view and has a valid viewabilityContainerIdentifier', () => {
       const bid = {
         params: { viewabilityContainerIdentifier: '#validElement' },
         adUnitCode: 'adUnitCode123',
@@ -250,7 +250,32 @@ describe('connatixBidAdapter', function () {
       expect(result).to.equal(100);
     });
 
-    it('should fall back to bid sizes if viewabilityContainerIdentifier is invalid', () => {
+    it('should return 48% viewability when the element is partially in view (48%) and has a valid viewabilityContainerIdentifier', () => {
+      const bid = {
+        params: { viewabilityContainerIdentifier: '#validElement' },
+        adUnitCode: 'adUnitCode123',
+        mediaTypes: { video: { sizes: [[300, 250]] } },
+      };
+
+      getBoundingClientRectStub.returns({
+        top: 100, // 100 pixels from the top of the viewport
+        left: 400, // 400 pixels from the left of the viewport (halfway in horizontal direction)
+        bottom: 800, // 800 pixels from the top (extends 200 pixels outside the bottom)
+        right: 1000, // 1000 pixels from the left (extends 200 pixels outside the right)
+        width: 600, // Width of the rect is 600 pixels
+        height: 700, // Height of the rect is 700 pixels (only 300 pixels inside the viewport)
+      });
+
+      querySelectorStub.withArgs('#validElement').returns(element);
+      getElementByIdStub.returns(null);
+
+      const result = connatixDetectViewability(bid);
+
+      // Expected calculation: the element is partially in view, so 48% viewability
+      expect(result).to.equal(48);
+    });
+
+    it('should fall back to using bid sizes and adUnitCode when the viewabilityContainerIdentifier is invalid or was not provided', () => {
       const bid = {
         params: { viewabilityContainerIdentifier: '#invalidElement' },
         adUnitCode: 'adUnitCode123',
@@ -275,7 +300,7 @@ describe('connatixBidAdapter', function () {
       expect(result).to.equal(100); // Full viewability
     });
 
-    it('should return null if element is not viewable', () => {
+    it('should return 0% viewability when the element is completely outside the viewable area', () => {
       const bid = {
         params: { viewabilityContainerIdentifier: '#someElement' },
         adUnitCode: 'adUnitCode123',
@@ -296,10 +321,10 @@ describe('connatixBidAdapter', function () {
 
       const result = connatixDetectViewability(bid);
 
-      expect(result).to.equal(0); // 0% viewability because the element is out of the viewport
+      expect(result).to.equal(0);
     });
 
-    it('should handle error when trying to query element and fall back', () => {
+    it('should use the adUnitCode as a fallback when querying an element fails due to a browser error, and return 100% viewability because adUnitCode container is fully in view', () => {
       const bid = {
         params: { viewabilityContainerIdentifier: '#invalidElement' },
         adUnitCode: 'adUnitCode123',
@@ -325,6 +350,30 @@ describe('connatixBidAdapter', function () {
 
       expect(result).to.equal(100); // Expect the fallback to work and return 100% viewability
     });
+
+    it('should return null when querying the element by the provided identifier fails and the adUnitCode viewability container is unavailable', () => {
+      const bid = {
+        params: { viewabilityContainerIdentifier: '#invalidElement' },
+        adUnitCode: 'adUnitCode123',
+        sizes: [[300, 250]]
+      };
+
+      // Simulate an error when querying the element
+      querySelectorStub.withArgs('#invalidElement').throws(new Error('Query failed'));
+
+      getBoundingClientRectStub.returns({
+        left: 100,
+        top: 100,
+        right: 400,
+        bottom: 350,
+        width: 300,
+        height: 250
+      });
+
+      const result = connatixDetectViewability(bid);
+
+      expect(result).to.equal(null);
+    });
   });
 
   describe('isBidRequestValid', function () {