Make notebook tests play nicely with SlimerJS

- notebook/dualmode_markdown.js
- notebook/safe_append_output.js

IPython/html/tests/notebook/dualmode_markdown.js

@@ -1,39 +1,43 b''
 
 // Test
 casper.notebook_test(function () {
+    this.is_rendered = function(i) {
+        return this.evaluate(function(i) {
+            return !!IPython.notebook.get_cell(i).rendered;
+        }, {i:i});
+    };
+
     var a = 'print("a")';
     var index = this.append_cell(a);
-    this.execute_cell_then(index);
-
-    this.then(function () {
+    this.execute_cell_then(index, function(index) {
         // Markdown rendering / unredering
-        this.select_cell(1);
-        this.validate_notebook_state('select 1', 'command', 1);
+        this.select_cell(index);
+        this.validate_notebook_state('select ' + index, 'command', index);
         this.trigger_keydown('m');
-        this.test.assertEquals(this.get_cell(1).cell_type, 'markdown', 'm; cell is markdown');
-        this.test.assertEquals(this.get_cell(1).rendered, false, 'm; cell is rendered');
+        this.test.assertEquals(this.get_cell(index).cell_type, 'markdown', 'm; cell is markdown');
+        this.test.assert(!this.is_rendered(index), 'm; cell is unrendered');
         this.trigger_keydown('enter');
-        this.test.assertEquals(this.get_cell(1).rendered, false, 'enter; cell is unrendered');
-        this.validate_notebook_state('enter', 'edit', 1);
+        this.test.assert(!this.is_rendered(index), 'enter; cell is unrendered');
+        this.validate_notebook_state('enter', 'edit', index);
         this.trigger_keydown('ctrl-enter');
-        this.test.assertEquals(this.get_cell(1).rendered, true, 'ctrl-enter; cell is rendered');
-        this.validate_notebook_state('enter', 'command', 1);
+        this.test.assert(this.is_rendered(index), 'ctrl-enter; cell is rendered');
+        this.validate_notebook_state('enter', 'command', index);
         this.trigger_keydown('enter');
-        this.test.assertEquals(this.get_cell(1).rendered, false, 'enter; cell is unrendered');
-        this.select_cell(0);
-        this.test.assertEquals(this.get_cell(1).rendered, false, 'select 0; cell 1 is still unrendered');
-        this.validate_notebook_state('select 0', 'command', 0);
-        this.select_cell(1);
-        this.validate_notebook_state('select 1', 'command', 1);
+        this.test.assert(!this.is_rendered(index), 'enter; cell is unrendered');
+        this.select_cell(index-1);
+        this.test.assert(!this.is_rendered(index), 'select ' + (index-1) + '; cell ' + index + ' is still unrendered');
+        this.validate_notebook_state('select ' + (index-1), 'command', index-1);
+        this.select_cell(index);
+        this.validate_notebook_state('select ' + index, 'command', index);
         this.trigger_keydown('ctrl-enter');
-        this.test.assertEquals(this.get_cell(1).rendered, true, 'ctrl-enter; cell is rendered');
-        this.select_cell(0);
-        this.validate_notebook_state('select 0', 'command', 0);
+        this.test.assert(this.is_rendered(index), 'ctrl-enter; cell is rendered');
+        this.select_cell(index-1);
+        this.validate_notebook_state('select ' + (index-1), 'command', index-1);
         this.trigger_keydown('shift-enter');
-        this.validate_notebook_state('shift-enter', 'command', 1);
-        this.test.assertEquals(this.get_cell(1).rendered, true, 'shift-enter; cell is rendered');
+        this.validate_notebook_state('shift-enter', 'command', index);
+        this.test.assert(this.is_rendered(index), 'shift-enter; cell is rendered');
         this.trigger_keydown('shift-enter'); // Creates one cell
-        this.validate_notebook_state('shift-enter', 'edit', 2);
-        this.test.assertEquals(this.get_cell(1).rendered, true, 'shift-enter; cell is rendered');
+        this.validate_notebook_state('shift-enter', 'edit', index+1);
+        this.test.assert(this.is_rendered(index), 'shift-enter; cell is rendered');
     });
 });
  No newline at end of file

IPython/html/tests/notebook/safe_append_output.js

@@ -25,7 +25,7 b' casper.notebook_test(function () {'
     this.then(function () {
         var output = this.get_output_cell(0);
         this.test.assert(messages.length > 0, "Captured log message");
-        this.test.assertEquals(messages[messages.length-1], "Invalid type for image/png 5", "Logged Invalid type message");
+        this.test.assertEquals(messages[messages.length-1].substr(0,26), "Invalid type for image/png", "Logged Invalid type message");
         this.test.assertEquals(output['image/png'], undefined, "Non-string png data was stripped");
         this.test.assertEquals(output['text/plain'], '5', "text data is fine");
     });