From 68707ad76009f8f8bc12843fd89780a929659e18 Mon Sep 17 00:00:00 2001
From: Tim van der Lippe <tvanderlippe@gmail.com>
Date: Fri, 30 Oct 2015 22:53:02 +0100
Subject: [PATCH] Deduplicate setup and verifying in notify-path test suite

---
 test/unit/notify-path-elements.html |   2 +-
 test/unit/notify-path.html          | 461 +++++-----------------------
 2 files changed, 86 insertions(+), 377 deletions(-)

diff --git a/test/unit/notify-path-elements.html b/test/unit/notify-path-elements.html
index c10d2f05e5..48bf32cbfc 100644
--- a/test/unit/notify-path-elements.html
+++ b/test/unit/notify-path-elements.html
@@ -230,4 +230,4 @@
       cChanged: function() {}
     });
   </script>
-</dom-module>
\ No newline at end of file
+</dom-module>
diff --git a/test/unit/notify-path.html b/test/unit/notify-path.html
index 7cc82c414d..b0997f3436 100644
--- a/test/unit/notify-path.html
+++ b/test/unit/notify-path.html
@@ -47,51 +47,7 @@
     document.body.removeChild(el);
   });
 
-  test('downward data flow', function() {
-    // Setup
-    var nested = {
-      obj: {
-        value: 42
-      }
-    };
-    el.expectedNestedSubpath = 'nested';
-    el.expectedNestedValue = nested;
-    el.expectedNestedObjSubpath = 'nested.obj';
-    el.expectedNestedObjValue = nested.obj;
-    el.$.compose.expectedObjSubpath = 'obj';
-    el.$.compose.expectedObjValue = nested.obj;
-    el.$.forward.expectedObjSubpath = 'obj';
-    el.$.forward.expectedObjValue = nested.obj;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj';
-    el.$.forward.$.compose.expectedObjValue = nested.obj;
-    // Do the thing
-    el.nested = nested;
-    // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 1);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.obj, nested.obj);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.obj, nested.obj);
-    assert.equal(el.$.forward.$.compose.obj, nested.obj);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-  });
-
-  test('notification from basic element property change', function() {
-    // Setup
+  function setupNested() {
     var nested = {
       obj: {
         value: 41
@@ -109,53 +65,35 @@
     el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
     el.$.forward.$.compose.expectedObjValue = 42;
     el.clearObserverCounts();
-    // Do the thing
-    el.$.basic.notifyingValue = 42;
-    // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-  });
+  }
 
-  test('notification from composed element property change', function() {
-    // Setup
-    var nested = {
+  function setupComposedAndGetObject() {
+    el.nested = {
       obj: {
         value: 41
       }
     };
-    el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
+    var obj = {
+      value: 42
+    };
+    el.expectedNestedSubpath = 'nested.obj';
+    el.expectedNestedValue = obj;
+    el.expectedNestedObjSubpath = 'nested.obj';
+    el.expectedNestedObjValue = obj;
+    el.$.compose.expectedObjSubpath = 'obj';
+    el.$.compose.expectedObjValue = obj;
+    el.$.forward.expectedObjSubpath = 'obj';
+    el.$.forward.expectedObjValue = obj;
+    el.$.forward.$.compose.expectedObjSubpath = 'obj';
+    el.$.forward.$.compose.expectedObjValue = obj;
     el.clearObserverCounts();
-    // Do the thing
-    el.$.compose.$.basic1.notifyingValue = 42;
-    // Verify
+
+    return obj;
+  }
+
+  function verifyObserverOutput(expectedNestedObjChanged) {
     assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
+    assert.equal(el.observerCounts.nestedObjChanged, expectedNestedObjChanged);
     assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
     assert.equal(el.observerCounts.nestedObjValueChanged, 1);
     assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
@@ -173,356 +111,127 @@
     assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
     assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
     assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-  });
+  }
 
-  test('notification from forward\'s composed element property change', function() {
+  function verifyNestedObserversOutput() {
+    verifyObserverOutput(0);
+  }
+
+  function verifyNonNestedObserversOutput() {
+    verifyObserverOutput(1);
+  }
+
+  test('downward data flow', function() {
     // Setup
     var nested = {
       obj: {
-        value: 41
+        value: 42
       }
     };
+    el.expectedNestedSubpath = 'nested';
+    el.expectedNestedValue = nested;
+    el.expectedNestedObjSubpath = 'nested.obj';
+    el.expectedNestedObjValue = nested.obj;
+    el.$.compose.expectedObjSubpath = 'obj';
+    el.$.compose.expectedObjValue = nested.obj;
+    el.$.forward.expectedObjSubpath = 'obj';
+    el.$.forward.expectedObjValue = nested.obj;
+    el.$.forward.$.compose.expectedObjSubpath = 'obj';
+    el.$.forward.$.compose.expectedObjValue = nested.obj;
+    // Do the thing
     el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
-    el.clearObserverCounts();
+    // Verify
+    verifyNonNestedObserversOutput();
+  });
+
+  test('notification from basic element property change', function() {
+    // Setup
+    setupNested();
+    // Do the thing
+    el.$.basic.notifyingValue = 42;
+    // Verify
+    verifyNestedObserversOutput();
+  });
+
+  test('notification from composed element property change', function() {
+    // Setup
+    setupNested();
+    // Do the thing
+    el.$.compose.$.basic1.notifyingValue = 42;
+    // Verify
+    verifyNestedObserversOutput();
+  });
+
+  test('notification from forward\'s composed element property change', function() {
+    // Setup
+    setupNested();
     // Do the thing
     el.$.forward.$.compose.$.basic1.notifyingValue = 42;
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNestedObserversOutput();
   });
 
   test('notification from set in top element', function() {
     // Setup
-    var nested = {
-      obj: {
-        value: 41
-      }
-    };
-    el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
-    el.clearObserverCounts();
+    setupNested();
     // Do the thing
     el.set('nested.obj.value', 42);
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNestedObserversOutput();
   });
 
   test('notification from set in composed element', function() {
     // Setup
-    var nested = {
-      obj: {
-        value: 41
-      }
-    };
-    el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
-    el.clearObserverCounts();
+    setupNested();
     // Do the thing
     el.$.compose.set('obj.value', 42);
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNestedObserversOutput();
   });
 
   test('notification from set in forward element', function() {
     // Setup
-    var nested = {
-      obj: {
-        value: 41
-      }
-    };
-    el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
-    el.clearObserverCounts();
+    setupNested();
     // Do the thing
     el.$.forward.set('obj.value', 42);
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNestedObserversOutput();
   });
 
   test('notification from set in forward\'s composed element', function() {
     // Setup
-    var nested = {
-      obj: {
-        value: 41
-      }
-    };
-    el.nested = nested;
-    el.expectedNestedSubpath = 'nested.obj.value';
-    el.expectedNestedValue = 42;
-    el.expectedNestedObjSubpath = 'nested.obj.value';
-    el.expectedNestedObjValue = 42;
-    el.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.compose.expectedObjValue = 42;
-    el.$.forward.expectedObjSubpath = 'obj.value';
-    el.$.forward.expectedObjValue = 42;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj.value';
-    el.$.forward.$.compose.expectedObjValue = 42;
-    el.clearObserverCounts();
+    setupNested();
     // Do the thing
     el.$.forward.$.compose.set('obj.value', 42);
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 0);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNestedObserversOutput();
   });
 
   test('notification from object change in compose element', function() {
     // Setup
-    el.nested = {
-      obj: {
-        value: 41
-      }
-    };
-    var obj = {
-      value: 42
-    };
-    el.expectedNestedSubpath = 'nested.obj';
-    el.expectedNestedValue = obj;
-    el.expectedNestedObjSubpath = 'nested.obj';
-    el.expectedNestedObjValue = obj;
-    el.$.compose.expectedObjSubpath = 'obj';
-    el.$.compose.expectedObjValue = obj;
-    el.$.forward.expectedObjSubpath = 'obj';
-    el.$.forward.expectedObjValue = obj;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj';
-    el.$.forward.$.compose.expectedObjValue = obj;
-    el.clearObserverCounts();
+    var obj = setupComposedAndGetObject();
     // Do the thing
     el.$.compose.obj = obj;
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 1);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNonNestedObserversOutput();
   });
 
   test('notification from object change in forward element', function() {
     // Setup
-    el.nested = {
-      obj: {
-        value: 41
-      }
-    };
-    var obj = {
-      value: 42
-    };
-    el.expectedNestedSubpath = 'nested.obj';
-    el.expectedNestedValue = obj;
-    el.expectedNestedObjSubpath = 'nested.obj';
-    el.expectedNestedObjValue = obj;
-    el.$.compose.expectedObjSubpath = 'obj';
-    el.$.compose.expectedObjValue = obj;
-    el.$.forward.expectedObjSubpath = 'obj';
-    el.$.forward.expectedObjValue = obj;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj';
-    el.$.forward.$.compose.expectedObjValue = obj;
-    el.clearObserverCounts();
+    var obj = setupComposedAndGetObject();
     // Do the thing
     el.$.forward.obj = obj;
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 1);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNonNestedObserversOutput();
   });
 
   test('notification from object change in forward\'s compose element', function() {
     // Setup
-    el.nested = {
-      obj: {
-        value: 41
-      }
-    };
-    var obj = {
-      value: 42
-    };
-    el.expectedNestedSubpath = 'nested.obj';
-    el.expectedNestedValue = obj;
-    el.expectedNestedObjSubpath = 'nested.obj';
-    el.expectedNestedObjValue = obj;
-    el.$.compose.expectedObjSubpath = 'obj';
-    el.$.compose.expectedObjValue = obj;
-    el.$.forward.expectedObjSubpath = 'obj';
-    el.$.forward.expectedObjValue = obj;
-    el.$.forward.$.compose.expectedObjSubpath = 'obj';
-    el.$.forward.$.compose.expectedObjValue = obj;
-    el.clearObserverCounts();
+    var obj = setupComposedAndGetObject();
     // Do the thing
     el.$.forward.$.compose.obj = obj;
     // Verify
-    assert.equal(el.observerCounts.nestedSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjChanged, 1);
-    assert.equal(el.observerCounts.nestedObjSubpathChanged, 1);
-    assert.equal(el.observerCounts.nestedObjValueChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.compose.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objSubpathChanged, 1);
-    assert.equal(el.$.forward.observerCounts.objValueChanged, 1);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.basic.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic1.notifyingValue, 42);
-    assert.equal(el.$.forward.$.compose.$.basic2.notifyingValue, 42);
-    assert.equal(el.$.basic.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.compose.$.basic2.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic1.getAttribute('attrvalue'), '42');
-    assert.equal(el.$.forward.$.compose.$.basic2.getAttribute('attrvalue'), '42');
+    verifyNonNestedObserversOutput();
   });
 
   test('negation', function() {