test(change detect): Port Locals tests to pregenerated cds

Move existing unit tests exercising Locals to also test Dart's
pre-generated change detectors.

See #502
This commit is contained in:
Tim Blasi 2015-06-05 17:33:51 -07:00
parent fda8b1d87c
commit d5195d4097
3 changed files with 141 additions and 86 deletions

View File

@ -74,11 +74,11 @@ export function main() {
function _bindSimpleValue(expression: string, context = null) {
var dispatcher = new TestDispatcher();
var protoCd = _getProtoChangeDetector(getDefinition(expression));
var testDef = getDefinition(expression);
var protoCd = _getProtoChangeDetector(testDef.cdDef);
var cd = protoCd.instantiate(dispatcher);
var locals = null;
cd.hydrate(context, locals, null);
cd.hydrate(context, testDef.locals, null);
cd.detectChanges();
return dispatcher.log;
}
@ -231,6 +231,34 @@ export function main() {
var td = new TestData(person);
expect(_bindSimpleValue('a.sayHi("Jim")', td)).toEqual(['propName=Hi, Jim']);
});
describe("Locals", () => {
it('should read a value from locals',
() => { expect(_bindSimpleValue('valueFromLocals')).toEqual(['propName=value']); });
it('should invoke a function from local',
() => { expect(_bindSimpleValue('functionFromLocals')).toEqual(['propName=value']); });
it('should handle nested locals',
() => { expect(_bindSimpleValue('nestedLocals')).toEqual(['propName=value']); });
it("should fall back to a regular field read when the locals map" +
"does not have the requested field",
() => {
expect(_bindSimpleValue('fallbackLocals', new Person("Jim")))
.toEqual(['propName=Jim']);
});
it('should correctly handle nested properties', () => {
var address = new Address('Grenoble');
var person = new Person('Victor', address);
expect(_bindSimpleValue('contextNestedPropertyWithLocals', person))
.toEqual(['propName=Grenoble']);
expect(_bindSimpleValue('localPropertyWithSimilarContext', person))
.toEqual(['propName=MTV']);
});
});
});
});
@ -269,21 +297,12 @@ export function main() {
function dirs(directives: List<any>) { return new FakeDirectives(directives, []); }
function convertLocalsToVariableBindings(locals) {
var variableBindings = [];
var loc = locals;
while (isPresent(loc)) {
MapWrapper.forEach(loc.current, (v, k) => ListWrapper.push(variableBindings, k));
loc = loc.parent;
}
return variableBindings;
}
function createChangeDetector(propName: string, exp: string, context = null,
locals = null, registry = null) {
registry = null) {
var dispatcher = new TestDispatcher();
var variableBindings = convertLocalsToVariableBindings(locals);
var locals = null;
var variableBindings = [];
var records = [BindingRecord.createForElement(ast(exp), 0, propName)];
var pcd = createProtoChangeDetector(records, variableBindings, [], registry);
@ -293,12 +312,6 @@ export function main() {
return {"changeDetector": cd, "dispatcher": dispatcher};
}
function executeWatch(memo: string, exp: string, context = null, locals = null) {
var res = createChangeDetector(memo, exp, context, locals);
res["changeDetector"].detectChanges();
return res["dispatcher"].log;
}
describe(`${name} change detection`, () => {
var dispatcher;
@ -375,7 +388,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => new CountingPipe());
var person = new Person('bob');
var c = createChangeDetector('name', 'name | pipe', person, null, registry);
var c = createChangeDetector('name', 'name | pipe', person, registry);
var cd = c["changeDetector"];
var dispatcher = c["dispatcher"];
@ -688,46 +701,6 @@ export function main() {
});
});
describe("Locals", () => {
it('should read a value from locals', () => {
var locals = new Locals(null, MapWrapper.createFromPairs([["key", "value"]]));
expect(executeWatch('key', 'key', null, locals)).toEqual(['key=value']);
});
it('should invoke a function from local', () => {
var locals = new Locals(null, MapWrapper.createFromPairs([["key", () => "value"]]));
expect(executeWatch('key', 'key()', null, locals)).toEqual(['key=value']);
});
it('should handle nested locals', () => {
var nested = new Locals(null, MapWrapper.createFromPairs([["key", "value"]]));
var locals = new Locals(nested, MapWrapper.create());
expect(executeWatch('key', 'key', null, locals)).toEqual(['key=value']);
});
it("should fall back to a regular field read when the locals map" +
"does not have the requested field",
() => {
var locals = new Locals(null, MapWrapper.createFromPairs([["key", "value"]]));
expect(executeWatch('name', 'name', new Person("Jim"), locals))
.toEqual(['name=Jim']);
});
it('should correctly handle nested properties', () => {
var address = new Address('Grenoble');
var person = new Person('Victor', address);
var locals = new Locals(null, MapWrapper.createFromPairs([['city', 'MTV']]));
expect(executeWatch('address.city', 'address.city', person, locals))
.toEqual(['address.city=Grenoble']);
expect(executeWatch('city', 'city', person, locals)).toEqual(['city=MTV']);
});
});
describe("handle children", () => {
var parent, child;
@ -916,8 +889,7 @@ export function main() {
it("should destroy all active pipes during dehyration", () => {
var pipe = new OncePipe();
var registry = new FakePipeRegistry('pipe', () => pipe);
var c =
createChangeDetector("memo", "name | pipe", new Person('bob'), null, registry);
var c = createChangeDetector("memo", "name | pipe", new Person('bob'), registry);
var cd = c["changeDetector"];
cd.detectChanges();
@ -933,7 +905,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => new CountingPipe());
var ctx = new Person("Megatron");
var c = createChangeDetector("memo", "name | pipe", ctx, null, registry);
var c = createChangeDetector("memo", "name | pipe", ctx, registry);
var cd = c["changeDetector"];
var dispatcher = c["dispatcher"];
@ -951,7 +923,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => new OncePipe());
var ctx = new Person("Megatron");
var c = createChangeDetector("memo", "name | pipe", ctx, null, registry);
var c = createChangeDetector("memo", "name | pipe", ctx, registry);
var cd = c["changeDetector"];
cd.detectChanges();
@ -969,7 +941,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => pipe);
var ctx = new Person("Megatron");
var c = createChangeDetector("memo", "name | pipe", ctx, null, registry);
var c = createChangeDetector("memo", "name | pipe", ctx, registry);
var cd = c["changeDetector"];
cd.detectChanges();
@ -983,8 +955,7 @@ export function main() {
() => {
var registry = new FakePipeRegistry('pipe', () => new IdentityPipe());
var c =
createChangeDetector("memo", "name | pipe", new Person('bob'), null, registry);
var c = createChangeDetector("memo", "name | pipe", new Person('bob'), registry);
var cd = c["changeDetector"];
cd.detectChanges();
@ -997,7 +968,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => new IdentityPipe());
var ctx = new Person("Megatron");
var c = createChangeDetector("memo", "name | pipe", ctx, null, registry);
var c = createChangeDetector("memo", "name | pipe", ctx, registry);
var cd = c["changeDetector"];
var dispatcher = c["dispatcher"];
@ -1015,7 +986,7 @@ export function main() {
var registry = new FakePipeRegistry('pipe', () => new WrappedPipe());
var ctx = new Person("Megatron");
var c = createChangeDetector("memo", "name | pipe", ctx, null, registry);
var c = createChangeDetector("memo", "name | pipe", ctx, registry);
var cd = c["changeDetector"];
var dispatcher = c["dispatcher"];

View File

@ -13,11 +13,11 @@ void main(List<String> args) {
var allDefs = getAllDefinitions();
for (var i = 0; i < allDefs.length; ++i) {
var className = 'ChangeDetector${i}';
codegen.generate('dynamic', className, allDefs[i]);
codegen.generate('dynamic', className, allDefs[i].cdDef);
if (i > 0) {
buf.write(',');
}
buf.write(" '''${allDefs[i].id}''': "
buf.write(" '''${allDefs[i].cdDef.id}''': "
"$className.$PROTO_CHANGE_DETECTOR_FACTORY_METHOD");
}
buf.write('};');

View File

@ -1,20 +1,31 @@
import {ListWrapper} from 'angular2/src/facade/collection';
import {BindingRecord, ChangeDetectorDefinition, Lexer, Parser} from 'angular2/change_detection';
import {ListWrapper, MapWrapper} from 'angular2/src/facade/collection';
import {isBlank, isPresent} from 'angular2/src/facade/lang';
import {
BindingRecord,
ChangeDetectorDefinition,
Lexer,
Locals,
Parser
} from 'angular2/change_detection';
import {reflector} from 'angular2/src/reflection/reflection';
import {ReflectionCapabilities} from 'angular2/src/reflection/reflection_capabilities';
var _parser = new Parser(new Lexer());
function _createChangeDetectorDefinition(id: string, expression: string): ChangeDetectorDefinition {
function _createBindingRecords(expression: string): List<BindingRecord> {
reflector.reflectionCapabilities = new ReflectionCapabilities();
var ast = _parser.parseBinding(expression, 'location');
var bindingRecords = [BindingRecord.createForElement(ast, 0, PROP_NAME)];
return [BindingRecord.createForElement(ast, 0, PROP_NAME)];
}
var strategy = null;
function _convertLocalsToVariableBindings(locals: Locals): List<any> {
var variableBindings = [];
var directiveRecords = [];
return new ChangeDetectorDefinition(id, strategy, variableBindings, bindingRecords,
directiveRecords);
var loc = locals;
while (isPresent(loc) && isPresent(loc.current)) {
MapWrapper.forEach(loc.current, (v, k) => ListWrapper.push(variableBindings, k));
loc = loc.parent;
}
return variableBindings;
}
export var PROP_NAME = 'propName';
@ -22,21 +33,46 @@ export var PROP_NAME = 'propName';
/**
* In this case, we expect `id` and `expression` to be the same string.
*/
export function getDefinition(id: string): ChangeDetectorDefinition {
if (ListWrapper.indexOf(_availableDefinitions, id) < 0) {
export function getDefinition(id: string): TestDefinition {
var expression = null;
var locals = null;
if (MapWrapper.contains(_availableDefinitionsWithLocals, id)) {
var val = MapWrapper.get(_availableDefinitionsWithLocals, id);
expression = val.expression;
locals = val.locals;
} else if (ListWrapper.indexOf(_availableDefinitions, id) >= 0) {
expression = id;
}
if (isBlank(expression)) {
throw `No ChangeDetectorDefinition for ${id} available. Please modify this file if necessary.`;
}
return _createChangeDetectorDefinition(id, id);
var strategy = null;
var variableBindings = isPresent(locals) ? _convertLocalsToVariableBindings(locals) : [];
var bindingRecords = _createBindingRecords(expression);
var directiveRecords = [];
var cdDef = new ChangeDetectorDefinition(id, strategy, variableBindings, bindingRecords,
directiveRecords);
return new TestDefinition(id, cdDef, locals);
}
export class TestDefinition {
constructor(public id: string, public cdDef: ChangeDetectorDefinition, public locals: Locals) {}
}
/**
* Get all available ChangeDetectorDefinition objects. Used to pre-generate Dart
* `ChangeDetector` classes.
*/
export function getAllDefinitions(): List<ChangeDetectorDefinition> {
export function getAllDefinitions(): List<TestDefinition> {
return ListWrapper.map(_availableDefinitions, (id) => getDefinition(id));
}
/**
* The list of all test definitions this config supplies.
* Items in this list that do not appear in other structures define tests with expressions
* equivalent to their ids.
*/
var _availableDefinitions = [
'10',
'"str"',
@ -79,5 +115,53 @@ var _availableDefinitions = [
'address?.toString()',
'sayHi("Jim")',
'a()(99)',
'a.sayHi("Jim")'
'a.sayHi("Jim")',
'valueFromLocals',
'functionFromLocals',
'nestedLocals',
'fallbackLocals',
'contextNestedPropertyWithLocals',
'localPropertyWithSimilarContext'
];
class _ExpressionWithLocals {
constructor(public expression: string, public locals: Locals) {}
}
/**
* Map from test id to _ExpressionWithLocals.
* Tests in this map define an expression and local values which those expressions refer to.
*/
var _availableDefinitionsWithLocals = MapWrapper.createFromPairs([
[
'valueFromLocals',
new _ExpressionWithLocals('key',
new Locals(null, MapWrapper.createFromPairs([['key', 'value']])))
],
[
'functionFromLocals',
new _ExpressionWithLocals(
'key()', new Locals(null, MapWrapper.createFromPairs([['key', () => 'value']])))
],
[
'nestedLocals',
new _ExpressionWithLocals(
'key', new Locals(new Locals(null, MapWrapper.createFromPairs([['key', 'value']])),
MapWrapper.create()))
],
[
'fallbackLocals',
new _ExpressionWithLocals('name',
new Locals(null, MapWrapper.createFromPairs([['key', 'value']])))
],
[
'contextNestedPropertyWithLocals',
new _ExpressionWithLocals('address.city',
new Locals(null, MapWrapper.createFromPairs([['city', 'MTV']])))
],
[
'localPropertyWithSimilarContext',
new _ExpressionWithLocals('city',
new Locals(null, MapWrapper.createFromPairs([['city', 'MTV']])))
]
]);