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describe('javascript-compiler api', function () {
if (!Handlebars.JavaScriptCompiler) {
return;
}
describe('#nameLookup', function () {
var $superName;
beforeEach(function () {
$superName = handlebarsEnv.JavaScriptCompiler.prototype.nameLookup;
});
afterEach(function () {
handlebarsEnv.JavaScriptCompiler.prototype.nameLookup = $superName;
});
it('should allow override', function () {
handlebarsEnv.JavaScriptCompiler.prototype.nameLookup = function (
parent,
name
) {
return parent + '.bar_' + name;
};
/* eslint-disable camelcase */
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 () {
expectTemplate('{{foo}} {{~null~}}')
.withInput({ foo: 'food' })
.toCompileTo('food');
});
});
describe('#compilerInfo', function () {
var $superCheck, $superInfo;
beforeEach(function () {
$superCheck = handlebarsEnv.VM.checkRevision;
$superInfo = handlebarsEnv.JavaScriptCompiler.prototype.compilerInfo;
});
afterEach(function () {
handlebarsEnv.VM.checkRevision = $superCheck;
handlebarsEnv.JavaScriptCompiler.prototype.compilerInfo = $superInfo;
});
it('should allow compilerInfo override', function () {
handlebarsEnv.JavaScriptCompiler.prototype.compilerInfo = function () {
return 'crazy';
};
handlebarsEnv.VM.checkRevision = function (compilerInfo) {
if (compilerInfo !== 'crazy') {
throw new Error("It didn't work");
}
};
expectTemplate('{{foo}} ')
.withInput({ foo: 'food' })
.toCompileTo('food ');
});
});
describe('buffer', function () {
var $superAppend, $superCreate;
beforeEach(function () {
handlebarsEnv.JavaScriptCompiler.prototype.forceBuffer = true;
$superAppend = handlebarsEnv.JavaScriptCompiler.prototype.appendToBuffer;
$superCreate =
handlebarsEnv.JavaScriptCompiler.prototype.initializeBuffer;
});
afterEach(function () {
handlebarsEnv.JavaScriptCompiler.prototype.forceBuffer = false;
handlebarsEnv.JavaScriptCompiler.prototype.appendToBuffer = $superAppend;
handlebarsEnv.JavaScriptCompiler.prototype.initializeBuffer =
$superCreate;
});
it('should allow init buffer override', function () {
handlebarsEnv.JavaScriptCompiler.prototype.initializeBuffer =
function () {
return this.quotedString('foo_');
};
expectTemplate('{{foo}} ')
.withInput({ foo: 'food' })
.toCompileTo('foo_food ');
});
it('should allow append buffer override', function () {
handlebarsEnv.JavaScriptCompiler.prototype.appendToBuffer = function (
string
) {
return $superAppend.call(this, [string, ' + "_foo"']);
};
expectTemplate('{{foo}}')
.withInput({ foo: 'food' })
.toCompileTo('food_foo');
});
});
describe('#isValidJavaScriptVariableName', function () {
// It is there and accessible and could be used by someone. That's why we don't remove it
// it 4.x. But if we keep it, we add a test
// This test should not encourage you to use the function. It is not needed any more
// and might be removed in 5.0
['test', 'abc123', 'abc_123'].forEach(function (validVariableName) {
it("should return true for '" + validVariableName + "'", function () {
expect(
handlebarsEnv.JavaScriptCompiler.isValidJavaScriptVariableName(
validVariableName
)
).to.be.true();
});
});
[('123test', 'abc()', 'abc.cde')].forEach(function (invalidVariableName) {
it("should return true for '" + invalidVariableName + "'", function () {
expect(
handlebarsEnv.JavaScriptCompiler.isValidJavaScriptVariableName(
invalidVariableName
)
).to.be.false();
});
});
});
});