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<body>
<div class="header low">
    <h1>Code coverage report for <span class="entity">spec/subexpressions.js</span></h1>
    <h2>
        
        Statements: <span class="metric">13.33% <small>(14 / 105)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
        
        
        Branches: <span class="metric">0% <small>(0 / 4)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
        
        
        Functions: <span class="metric">2.56% <small>(1 / 39)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
        
        
        Lines: <span class="metric">13.33% <small>(14 / 105)</small></span> &nbsp;&nbsp;&nbsp;&nbsp;
        
        Ignored: <span class="metric"><span class="ignore-none">none</span></span> &nbsp;&nbsp;&nbsp;&nbsp;
    </h2>
    <div class="path"><a href="../index.html">All files</a> &#187; <a href="index.html">spec/</a> &#187; subexpressions.js</div>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/*global CompilerContext, shouldCompileTo */
describe('subexpressions', function() {
  it("arg-less helper", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = "{{foo (bar)}}!";</span>
<span class="cstat-no" title="statement not covered" >    var context  = {};</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      foo: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return val+val;</span>
      },
      bar: <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >        return "LOL";</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "LOLLOL!");</span>
  });
&nbsp;
  it("helper w args", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = '{{blog (equal a b)}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var context  = { bar: "LOL" };</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + val;</span>
      },
      equal: <span class="fstat-no" title="function not covered" >function(x, y) {</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "val is true");</span>
  });
&nbsp;
  it("mixed paths and helpers", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = '{{blog baz.bat (equal a b) baz.bar}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var context  = { bar: "LOL", baz: {bat: 'foo!', bar: 'bar!'} };</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(val, that, theOther) {</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + val + ', ' + that + ' and ' + theOther;</span>
      },
      equal: <span class="fstat-no" title="function not covered" >function(x, y) {</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "val is foo!, true and bar!");</span>
  });
&nbsp;
  it("supports much nesting", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = '{{blog (equal (equal true true) true)}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var context  = { bar: "LOL" };</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + val;</span>
      },
      equal: <span class="fstat-no" title="function not covered" >function(x, y) {</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "val is true");</span>
  });
&nbsp;
  it('GH-800 : Complex subexpressions', <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var context  = {a: 'a', b:'b', c:{c:'c'}, d:'d', e: {e: 'e'}};</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      dash: <span class="fstat-no" title="function not covered" >function(a, b) {</span>
<span class="cstat-no" title="statement not covered" >        return a + "-" + b;</span>
      },
      concat: <span class="fstat-no" title="function not covered" >function(a, b) {</span>
<span class="cstat-no" title="statement not covered" >        return a + b;</span>
      }
    };
&nbsp;
<span class="cstat-no" title="statement not covered" >    shouldCompileTo('{{dash "abc" (concat a b)}}', [context, helpers], 'abc-ab');</span>
<span class="cstat-no" title="statement not covered" >    shouldCompileTo('{{dash d (concat a b)}}', [context, helpers], 'd-ab');</span>
<span class="cstat-no" title="statement not covered" >    shouldCompileTo('{{dash c.c (concat a b)}}', [context, helpers], 'c-ab');</span>
<span class="cstat-no" title="statement not covered" >    shouldCompileTo('{{dash (concat a b) c.c}}', [context, helpers], 'ab-c');</span>
<span class="cstat-no" title="statement not covered" >    shouldCompileTo('{{dash (concat a e.e) c.c}}', [context, helpers], 'ae-c');</span>
  });
&nbsp;
  it("provides each nested helper invocation its own options hash", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string = '{{equal (equal true true) true}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var lastOptions = null;</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      equal: <span class="fstat-no" title="function not covered" >function(x, y, options) {</span>
<span class="cstat-no" title="statement not covered" >        if (!options || options === lastOptions) {</span>
<span class="cstat-no" title="statement not covered" >          throw new Error("options hash was reused");</span>
        }
<span class="cstat-no" title="statement not covered" >        lastOptions = options;</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [{}, helpers], "true");</span>
  });
&nbsp;
  it("with hashes", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = '{{blog (equal (equal true true) true fun="yes")}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var context  = { bar: "LOL" };</span>
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + val;</span>
      },
      equal: <span class="fstat-no" title="function not covered" >function(x, y) {</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "val is true");</span>
  });
&nbsp;
  it("as hashes", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = '{{blog fun=(equal (blog fun=1) "val is 1")}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(options) {</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + options.hash.fun;</span>
      },
      equal: <span class="fstat-no" title="function not covered" >function(x, y) {</span>
<span class="cstat-no" title="statement not covered" >        return x === y;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [{}, helpers], "val is true");</span>
  });
&nbsp;
  it("multiple subexpressions in a hash", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string = '{{input aria-label=(t "Name") placeholder=(t "Example User")}}';</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var helpers = {</span>
      input: <span class="fstat-no" title="function not covered" >function(options) {</span>
<span class="cstat-no" title="statement not covered" >        var hash        = options.hash;</span>
<span class="cstat-no" title="statement not covered" >        var ariaLabel   = Handlebars.Utils.escapeExpression(hash['aria-label']);</span>
<span class="cstat-no" title="statement not covered" >        var placeholder = Handlebars.Utils.escapeExpression(hash.placeholder);</span>
<span class="cstat-no" title="statement not covered" >        return new Handlebars.SafeString('&lt;input aria-label="' + ariaLabel + '" placeholder="' + placeholder + '" /&gt;');</span>
      },
      t: <span class="fstat-no" title="function not covered" >function(defaultString) {</span>
<span class="cstat-no" title="statement not covered" >        return new Handlebars.SafeString(defaultString);</span>
      }
    }
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [{}, helpers], '&lt;input aria-label="Name" placeholder="Example User" /&gt;');</span>
  });
&nbsp;
  it("in string params mode,", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var template = CompilerContext.compile('{{snog (blorg foo x=y) yeah a=b}}', {stringParams: true});</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var helpers = {</span>
      snog: <span class="fstat-no" title="function not covered" >function(a, b, options) {</span>
<span class="cstat-no" title="statement not covered" >        equals(a, 'foo');</span>
<span class="cstat-no" title="statement not covered" >        equals(options.types.length, 2, "string params for outer helper processed correctly");</span>
<span class="cstat-no" title="statement not covered" >        equals(options.types[0], 'sexpr', "string params for outer helper processed correctly");</span>
<span class="cstat-no" title="statement not covered" >        equals(options.types[1], 'ID', "string params for outer helper processed correctly");</span>
<span class="cstat-no" title="statement not covered" >        return a + b;</span>
      },
&nbsp;
      blorg: <span class="fstat-no" title="function not covered" >function(a, options) {</span>
<span class="cstat-no" title="statement not covered" >        equals(options.types.length, 1, "string params for inner helper processed correctly");</span>
<span class="cstat-no" title="statement not covered" >        equals(options.types[0], 'ID', "string params for inner helper processed correctly");</span>
<span class="cstat-no" title="statement not covered" >        return a;</span>
      }
    };
&nbsp;
<span class="cstat-no" title="statement not covered" >    var result = template({</span>
      foo: {},
      yeah: {}
    }, {helpers: helpers});
&nbsp;
<span class="cstat-no" title="statement not covered" >    equals(result, "fooyeah");</span>
  });
&nbsp;
  it("as hashes in string params mode", <span class="fstat-no" title="function not covered" >function() {</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var template = CompilerContext.compile('{{blog fun=(bork)}}', {stringParams: true});</span>
&nbsp;
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      blog: <span class="fstat-no" title="function not covered" >function(options) {</span>
<span class="cstat-no" title="statement not covered" >        equals(options.hashTypes.fun, 'sexpr');</span>
<span class="cstat-no" title="statement not covered" >        return "val is " + options.hash.fun;</span>
      },
      bork: <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >        return "BORK";</span>
      }
    };
&nbsp;
<span class="cstat-no" title="statement not covered" >    var result = template({}, {helpers: helpers});</span>
<span class="cstat-no" title="statement not covered" >    equals(result, "val is BORK");</span>
  });
&nbsp;
  it("subexpression functions on the context", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = "{{foo (bar)}}!";</span>
<span class="cstat-no" title="statement not covered" >    var context  = {</span>
      bar: <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >        return "LOL";</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      foo: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return val+val;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldCompileTo(string, [context, helpers], "LOLLOL!");</span>
  });
&nbsp;
  it("subexpressions can't just be property lookups", <span class="fstat-no" title="function not covered" >function() {</span>
<span class="cstat-no" title="statement not covered" >    var string   = "{{foo (bar)}}!";</span>
<span class="cstat-no" title="statement not covered" >    var context  = {</span>
      bar: "LOL"
    };
<span class="cstat-no" title="statement not covered" >    var helpers  = {</span>
      foo: <span class="fstat-no" title="function not covered" >function(val) {</span>
<span class="cstat-no" title="statement not covered" >        return val+val;</span>
      }
    };
<span class="cstat-no" title="statement not covered" >    shouldThrow(<span class="fstat-no" title="function not covered" >function() {</span></span>
<span class="cstat-no" title="statement not covered" >      shouldCompileTo(string, [context, helpers], "LOLLOL!");</span>
    });
  });
});
&nbsp;</pre></td></tr>
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