convert else tag test to mocha

lib/tags/else.test.js

@@ -1,60 +1,63 @@
-var testCase = require('nodeunit').testCase,
-  swig = require('../../index');
+var swig = require('../../index');
 
-exports['else'] = testCase({
-  setUp: function (callback) {
+describe('Tag: else', function () {
+  beforeEach(function () {
     swig.init({
       allowErrors: true
     });
-    callback();
-  },
+  });
 
-  'basic': function (test) {
+  it('gets used', function () {
     var tpl = swig.compile('{% if foo|length > 1 %}hi!{% else %}nope{% endif %}');
-    test.strictEqual(tpl({ foo: [1, 2, 3] }), 'hi!');
-    test.strictEqual(tpl({ foo: [1] }), 'nope');
+    tpl({ foo: [1, 2, 3] }).should.equal('hi!');
+    tpl({ foo: [1] }).should.equal('nope');
+  });
 
-    test.throws(function () {
+  it('throws if used outside of "if" context', function () {
+    var fn = function () {
       swig.compile('{% else %}');
-    }, Error, 'Cannot call else tag outside of "if" context.');
-    test.done();
-  },
-
-  'else if': function (test) {
-    var tpl = swig.compile('{% if foo|length > 2 %}foo{% else if foo|length < 2 %}bar{% endif %}');
-    test.strictEqual(tpl({ foo: [1, 2, 3] }), 'foo');
-    test.strictEqual(tpl({ foo: [1, 2] }), '');
-    test.strictEqual(tpl({ foo: [1] }), 'bar');
-
-    tpl = swig.compile('{% if foo %}foo{% else if bar && baz %}bar{% endif %}');
-    test.strictEqual(tpl({ bar: true, baz: true }), 'bar');
+    };
+    fn.should.throw();
+  });
+
+  describe('else if', function () {
+    it('works nicely', function () {
+      var tpl = swig.compile('{% if foo|length > 2 %}foo{% else if foo|length < 2 %}bar{% endif %}');
+      tpl({ foo: [1, 2, 3] }).should.equal('foo');
+      tpl({ foo: [1, 2] }).should.equal('');
+      tpl({ foo: [1] }).should.equal('bar');
+    });
 
-    test.done();
-  },
+    it('accepts conditionals', function () {
+      var tpl = swig.compile('{% if foo %}foo{% else if bar && baz %}bar{% endif %}');
+      tpl({ bar: true, baz: true }).should.equal('bar');
+    });
+  });
 
-  'multiple else if and else': function (test) {
+  it('can have multiple else if and else conditions', function () {
     var tpl = swig.compile('{% if foo %}foo{% else if bar === "bar" %}bar{% else if 3 in baz %}baz{% else %}bop{% endif %}');
-    test.strictEqual(tpl({ foo: true }), 'foo');
-    test.strictEqual(tpl({ bar: "bar" }), 'bar');
-    test.strictEqual(tpl({ baz: [3] }), 'baz');
-    test.strictEqual(tpl({ baz: [2] }), 'bop');
-    test.strictEqual(tpl({ bar: false }), 'bop');
-
-    test.done();
-  },
-
-  'for else': function (test) {
-    var tpl = swig.compile('{% for foo in bar %}blah{% else %}hooray!{% endfor %}');
-    test.strictEqual(tpl({ bar: [] }), 'hooray!', 'else in array');
-    test.strictEqual(tpl({ bar: {}}), 'hooray!', 'else in object');
-
-    test.strictEqual(tpl({ bar: [1] }), 'blah', 'not else in array');
-    test.strictEqual(tpl({ bar: { foo: 'foo' }}), 'blah', 'not else in object');
-
-    test.throws(function () {
-      swig.compile('{% for foo in bar %}hi!{% else if blah %}nope{% endfor %}');
-    }, Error, '"else" tag cannot accept arguments in the "for" context.');
-    test.done();
-  }
+    tpl({ foo: true }).should.equal('foo');
+    tpl({ bar: "bar" }).should.equal('bar');
+    tpl({ baz: [3] }).should.equal('baz');
+    tpl({ baz: [2] }).should.equal('bop');
+    tpl({ bar: false }).should.equal('bop');
+  });
+
+  describe('in "for" tags', function () {
+    it('can be used as fallback', function () {
+      var tpl = swig.compile('{% for foo in bar %}blah{% else %}hooray!{% endfor %}');
+      tpl({ bar: [] }).should.equal('hooray!');
+      tpl({ bar: {}}).should.equal('hooray!');
+
+      tpl({ bar: [1] }).should.equal('blah');
+      tpl({ bar: { foo: 'foo' }}).should.equal('blah');
+    });
 
+    it('throws if using "else if"', function () {
+      var fn = function () {
+        swig.compile('{% for foo in bar %}hi!{% else if blah %}nope{% endfor %}');
+      };
+      fn.should.throw();
+    });
+  });
 });