Clicking a link in HtmlReporterV2 does exact filtering

spec/html/HtmlSpecFilterV2Spec.js

@@ -1,19 +1,49 @@
 describe('HtmlSpecFilterV2', function() {
-  it('should match when no string is provided', function() {
-    const specFilter = new privateUnderTest.HtmlSpecFilterV2();
-
-    expect(specFilter.matches('foo')).toBe(true);
-    expect(specFilter.matches('*bar')).toBe(true);
-  });
-
-  it('should only match the provided string', function() {
+  it('matches everything when no string is provided', function() {
     const specFilter = new privateUnderTest.HtmlSpecFilterV2({
-      filterString: function() {
-        return 'foo';
+      filterString() {
+        return '';
       }
     });
 
-    expect(specFilter.matches('foo')).toBe(true);
-    expect(specFilter.matches('bar')).toBe(false);
+    expect(specFilter.matches({})).toBeTrue();
   });
+
+  it('matches a spec with the exact same path', function() {
+    const specFilter = new privateUnderTest.HtmlSpecFilterV2({
+      filterString() {
+        return '["a","b","c"]';
+      }
+    });
+
+    expect(specFilter.matches(stubSpec(['a', 'b', 'c']))).toBeTrue();
+  });
+
+  it('matches a spec whose path has the filter path as a prefix', function() {
+    const specFilter = new privateUnderTest.HtmlSpecFilterV2({
+      filterString() {
+        return '["a","b"]';
+      }
+    });
+
+    expect(specFilter.matches(stubSpec(['a', 'b', 'c']))).toBeTrue();
+  });
+
+  it('does not match a spec with a different path', function() {
+    const specFilter = new privateUnderTest.HtmlSpecFilterV2({
+      filterString() {
+        return '["a","b","c"]';
+      }
+    });
+
+    expect(specFilter.matches(stubSpec(['a', 'd', 'c']))).toBeFalse();
+  });
+
+  function stubSpec(path) {
+    return {
+      getPath() {
+        return path;
+      }
+    };
+  }
 });