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refactor(parser): clean up tests

This commit is contained in:
vsavkin 2014-11-04 16:08:01 -08:00
parent 03c779321f
commit 18cdab7450
1 changed files with 21 additions and 24 deletions
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45
modules/change_detection/test/parser/parser_spec.js
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@ -59,6 +59,10 @@ export function main() {
expectEval("a.a", td(td(999))).toEqual(999); expectEval("a.a", td(td(999))).toEqual(999);
}); });
it('should throw when accessing a field on null', () => {
expectEvalError("a.a.a").toThrowError();
});
it('should parse numerical expressions', () => { it('should parse numerical expressions', () => {
expectEval("1").toEqual(1); expectEval("1").toEqual(1);
}); });
@ -107,6 +111,11 @@ export function main() {
expectEval("false?10:20").toEqual(20); expectEval("false?10:20").toEqual(20);
}); });
it('should throw on incorrect ternary operator syntax', () => {
expectEvalError("true?1").
toThrowError(new RegExp('Parser Error: Conditional expression true\\?1 requires all 3 expressions'));
});
it('should auto convert ints to strings', () => { it('should auto convert ints to strings', () => {
expectEval("'str ' + 4").toEqual("str 4"); expectEval("'str ' + 4").toEqual("str 4");
expectEval("4 + ' str'").toEqual("4 str"); expectEval("4 + ' str'").toEqual("4 str");
@ -115,11 +124,6 @@ export function main() {
expectEval("'str ' + 4 + 4").toEqual("str 44"); expectEval("'str ' + 4 + 4").toEqual("str 44");
}); });
it('should behave gracefully with a null scope', () => {
var exp = createParser().parseAction("null");
expect(exp.eval(null)).toEqual(null);
});
it('should eval binary operators with null as null', () => { it('should eval binary operators with null as null', () => {
expectEvalError("null < 0").toThrowError(); expectEvalError("null < 0").toThrowError();
expectEvalError("null * 3").toThrowError(); expectEvalError("null * 3").toThrowError();
@ -131,27 +135,20 @@ export function main() {
expectEvalError("null - null").toThrowError(); expectEvalError("null - null").toThrowError();
}); });
describe("error handling", () => { it('should only allow identifier or keyword as member names', () => {
it('should throw on incorrect ternary operator syntax', () => { expect(() => parseAction("x.(")).toThrowError(new RegExp('identifier or keyword'));
expectEvalError("true?1"). expect(() => parseAction('x. 1234')).toThrowError(new RegExp('identifier or keyword'));
toThrowError(new RegExp('Parser Error: Conditional expression true\\?1 requires all 3 expressions')); expect(() => parseAction('x."foo"')).toThrowError(new RegExp('identifier or keyword'));
}); });
it('should pass exceptions', () => { it("should error when using formatters", () => {
expect(() => { expectEvalError('x|blah').toThrowError(new RegExp('Cannot have a formatter'));
createParser().parseAction('boo').eval(new ContextWithErrors()); });
}).toThrowError('boo to you');
});
it('should only allow identifier or keyword as member names', () => { it('should pass exceptions', () => {
expect(() => parseAction("x.(")).toThrowError(new RegExp('identifier or keyword')); expect(() => {
expect(() => parseAction('x. 1234')).toThrowError(new RegExp('identifier or keyword')); createParser().parseAction('boo').eval(new ContextWithErrors());
expect(() => parseAction('x."foo"')).toThrowError(new RegExp('identifier or keyword')); }).toThrowError('boo to you');
});
it("should error when using formatters", () => {
expectEvalError('x|blah').toThrowError(new RegExp('Cannot have a formatter'));
});
}); });
}); });