Increase test coverage a touch

1 files changed, 70 insertions, 0 deletions

diff --git a/spec/compiler.js b/spec/compiler.js
new file mode 100644
index 0000000..fa7635e
--- /dev/null
+++ b/spec/compiler.js
@@ -0,0 +1,70 @@
+/*global Handlebars, shouldThrow */
+
+describe('compiler', function() {
+  if (!Handlebars.compile) {
+    return;
+  }
+
+  describe('#equals', function() {
+    function compile(string) {
+      var ast = Handlebars.parse(string);
+      return new Handlebars.Compiler().compile(ast, {});
+    }
+
+    it('should treat as equal', function() {
+      equal(compile('foo').equals(compile('foo')), true);
+      equal(compile('{{foo}}').equals(compile('{{foo}}')), true);
+      equal(compile('{{foo.bar}}').equals(compile('{{foo.bar}}')), true);
+      equal(compile('{{foo.bar baz "foo" true false bat=1}}').equals(compile('{{foo.bar baz "foo" true false bat=1}}')), true);
+      equal(compile('{{foo.bar (baz bat=1)}}').equals(compile('{{foo.bar (baz bat=1)}}')), true);
+      equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#foo}} {{/foo}}')), true);
+    });
+    it('should treat as not equal', function() {
+      equal(compile('foo').equals(compile('bar')), false);
+      equal(compile('{{foo}}').equals(compile('{{bar}}')), false);
+      equal(compile('{{foo.bar}}').equals(compile('{{bar.bar}}')), false);
+      equal(compile('{{foo.bar baz bat=1}}').equals(compile('{{foo.bar bar bat=1}}')), false);
+      equal(compile('{{foo.bar (baz bat=1)}}').equals(compile('{{foo.bar (bar bat=1)}}')), false);
+      equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#bar}} {{/bar}}')), false);
+      equal(compile('{{#foo}} {{/foo}}').equals(compile('{{#foo}} {{foo}}{{/foo}}')), false);
+    });
+  });
+
+  describe('#compile', function() {
+    it('should fail with invalid input', function() {
+      shouldThrow(function() {
+        Handlebars.compile(null);
+      }, Error, 'You must pass a string or Handlebars AST to Handlebars.compile. You passed null');
+      shouldThrow(function() {
+        Handlebars.compile({});
+      }, Error, 'You must pass a string or Handlebars AST to Handlebars.compile. You passed [object Object]');
+    });
+
+    it('can utilize AST instance', function() {
+      equal(Handlebars.compile(new Handlebars.AST.ProgramNode(true, [ new Handlebars.AST.ContentNode("Hello")]))(), 'Hello');
+    });
+
+    it("can pass through an empty string", function() {
+      equal(Handlebars.compile('')(), '');
+    });
+  });
+
+  describe('#precompile', function() {
+    it('should fail with invalid input', function() {
+      shouldThrow(function() {
+        Handlebars.precompile(null);
+      }, Error, 'You must pass a string or Handlebars AST to Handlebars.precompile. You passed null');
+      shouldThrow(function() {
+        Handlebars.precompile({});
+      }, Error, 'You must pass a string or Handlebars AST to Handlebars.precompile. You passed [object Object]');
+    });
+
+    it('can utilize AST instance', function() {
+      equal(/return "Hello"/.test(Handlebars.precompile(new Handlebars.AST.ProgramNode(true, [ new Handlebars.AST.ContentNode("Hello")]))), true);
+    });
+
+    it("can pass through an empty string", function() {
+      equal(/return ""/.test(Handlebars.precompile('')), true);
+    });
+  });
+});