refator: In spec tests, use expectTemplate over equals and shouldThrow (#1683)

spec/javascript-compiler.js

@@ -20,14 +20,18 @@ describe('javascript-compiler api', function() {
         return parent + '.bar_' + name;
       };
       /* eslint-disable camelcase */
-      shouldCompileTo('{{foo}}', { bar_foo: 'food' }, 'food');
+      expectTemplate('{{foo}}')
+        .withInput({ bar_foo: 'food' })
+        .toCompileTo('food');
       /* eslint-enable camelcase */
     });
 
     // Tests nameLookup dot vs. bracket behavior.  Bracket is required in certain cases
     // to avoid errors in older browsers.
     it('should handle reserved words', function() {
-      shouldCompileTo('{{foo}} {{~null~}}', { foo: 'food' }, 'food');
+      expectTemplate('{{foo}} {{~null~}}')
+        .withInput({ foo: 'food' })
+        .toCompileTo('food');
     });
   });
   describe('#compilerInfo', function() {
@@ -49,7 +53,9 @@ describe('javascript-compiler api', function() {
           throw new Error("It didn't work");
         }
       };
-      shouldCompileTo('{{foo}} ', { foo: 'food' }, 'food ');
+      expectTemplate('{{foo}} ')
+        .withInput({ foo: 'food' })
+        .toCompileTo('food ');
     });
   });
   describe('buffer', function() {
@@ -70,7 +76,9 @@ describe('javascript-compiler api', function() {
       handlebarsEnv.JavaScriptCompiler.prototype.initializeBuffer = function() {
         return this.quotedString('foo_');
       };
-      shouldCompileTo('{{foo}} ', { foo: 'food' }, 'foo_food ');
+      expectTemplate('{{foo}} ')
+        .withInput({ foo: 'food' })
+        .toCompileTo('foo_food ');
     });
     it('should allow append buffer override', function() {
       handlebarsEnv.JavaScriptCompiler.prototype.appendToBuffer = function(
@@ -78,7 +86,9 @@ describe('javascript-compiler api', function() {
       ) {
         return $superAppend.call(this, [string, ' + "_foo"']);
       };
-      shouldCompileTo('{{foo}}', { foo: 'food' }, 'food_foo');
+      expectTemplate('{{foo}}')
+        .withInput({ foo: 'food' })
+        .toCompileTo('food_foo');
     });
   });