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/*
* This file is forked from the handlebars project (https://github.com/handlebars-lang/handlebars.js),
* and may include modifications made by Elasticsearch B.V.
* Elasticsearch B.V. licenses this file to you under the MIT License.
* See `packages/kbn-handlebars/LICENSE` for more information.
*/
import { expectTemplate } from '../__jest__/test_bench';
describe('strict', () => {
describe('strict mode', () => {
it('should error on missing property lookup', () => {
expectTemplate('{{hello}}')
.withCompileOptions({ strict: true })
.toThrow(/"hello" not defined in/);
});
it('should error on missing child', () => {
expectTemplate('{{hello.bar}}')
.withCompileOptions({ strict: true })
.withInput({ hello: { bar: 'foo' } })
.toCompileTo('foo');
expectTemplate('{{hello.bar}}')
.withCompileOptions({ strict: true })
.withInput({ hello: {} })
.toThrow(/"bar" not defined in/);
});
it('should handle explicit undefined', () => {
expectTemplate('{{hello.bar}}')
.withCompileOptions({ strict: true })
.withInput({ hello: { bar: undefined } })
.toCompileTo('');
});
it('should error on missing property lookup in known helpers mode', () => {
expectTemplate('{{hello}}')
.withCompileOptions({
strict: true,
knownHelpersOnly: true,
})
.toThrow(/"hello" not defined in/);
});
it('should error on missing context', () => {
expectTemplate('{{hello}}').withCompileOptions({ strict: true }).toThrow(Error);
});
it('should error on missing data lookup', () => {
const xt = expectTemplate('{{@hello}}').withCompileOptions({
strict: true,
});
xt.toThrow(Error);
xt.withRuntimeOptions({ data: { hello: 'foo' } }).toCompileTo('foo');
});
it('should not run helperMissing for helper calls', () => {
expectTemplate('{{hello foo}}')
.withCompileOptions({ strict: true })
.withInput({ foo: true })
.toThrow(/"hello" not defined in/);
expectTemplate('{{#hello foo}}{{/hello}}')
.withCompileOptions({ strict: true })
.withInput({ foo: true })
.toThrow(/"hello" not defined in/);
});
it('should throw on ambiguous blocks', () => {
expectTemplate('{{#hello}}{{/hello}}')
.withCompileOptions({ strict: true })
.toThrow(/"hello" not defined in/);
expectTemplate('{{^hello}}{{/hello}}')
.withCompileOptions({ strict: true })
.toThrow(/"hello" not defined in/);
expectTemplate('{{#hello.bar}}{{/hello.bar}}')
.withCompileOptions({ strict: true })
.withInput({ hello: {} })
.toThrow(/"bar" not defined in/);
});
it('should allow undefined parameters when passed to helpers', () => {
expectTemplate('{{#unless foo}}success{{/unless}}')
.withCompileOptions({ strict: true })
.toCompileTo('success');
});
it('should allow undefined hash when passed to helpers', () => {
expectTemplate('{{helper value=@foo}}')
.withCompileOptions({
strict: true,
})
.withHelpers({
helper(options) {
expect('value' in options.hash).toEqual(true);
expect(options.hash.value).toBeUndefined();
return 'success';
},
})
.toCompileTo('success');
});
it('should show error location on missing property lookup', () => {
expectTemplate('\n\n\n {{hello}}')
.withCompileOptions({ strict: true })
.toThrow('"hello" not defined in [object Object] - 4:5');
});
it('should error contains correct location properties on missing property lookup', () => {
try {
expectTemplate('\n\n\n {{hello}}')
.withCompileOptions({ strict: true })
.toCompileTo('throw before asserting this');
} catch (error) {
expect(error.lineNumber).toEqual(4);
expect(error.endLineNumber).toEqual(4);
expect(error.column).toEqual(5);
expect(error.endColumn).toEqual(10);
}
});
});
describe('assume objects', () => {
it('should ignore missing property', () => {
expectTemplate('{{hello}}').withCompileOptions({ assumeObjects: true }).toCompileTo('');
});
it('should ignore missing child', () => {
expectTemplate('{{hello.bar}}')
.withCompileOptions({ assumeObjects: true })
.withInput({ hello: {} })
.toCompileTo('');
});
it('should error on missing object', () => {
expectTemplate('{{hello.bar}}').withCompileOptions({ assumeObjects: true }).toThrow(Error);
});
it('should error on missing context', () => {
expectTemplate('{{hello}}')
.withCompileOptions({ assumeObjects: true })
.withInput(undefined)
.toThrow(Error);
});
it('should error on missing data lookup', () => {
expectTemplate('{{@hello.bar}}')
.withCompileOptions({ assumeObjects: true })
.withInput(undefined)
.toThrow(Error);
});
it('should execute blockHelperMissing', () => {
expectTemplate('{{^hello}}foo{{/hello}}')
.withCompileOptions({ assumeObjects: true })
.toCompileTo('foo');
});
});
});
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