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feat: introduce TestBed.overrideProvider (#16725)

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This allows to overwrite all providers for a token, not matter
where they were defined.

This can be used to test JIT and AOT’ed code in the same way.

Design doc: https://docs.google.com/document/d/1VmTkz0EbEVSWfEEWEvQ5sXyQXSCvtMOw4t7pKU-jOwc/edit?usp=sharing
This commit is contained in:
Tobias Bosch
2017-05-15 13:12:10 -07:00
committed by Jason Aden
parent 1eba623d12
commit 39b92f7e54
20 changed files with 735 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
packages/core/src/view/ng_module.ts
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@ -10,7 +10,7 @@ import {Injector, THROW_IF_NOT_FOUND} from '../di/injector';
import {NgModuleRef} from '../linker/ng_module_factory';
import {DepDef, DepFlags, NgModuleData, NgModuleDefinition, NgModuleDefinitionFactory, NgModuleProviderDef, NodeFlags} from './types';
import {tokenKey} from './util';
import {splitDepsDsl, tokenKey} from './util';
const NOT_CREATED = new Object();
@ -20,17 +20,7 @@ const NgModuleRefTokenKey = tokenKey(NgModuleRef);
export function moduleProvideDef(
flags: NodeFlags, token: any, value: any,
deps: ([DepFlags, any] | any)[]): NgModuleProviderDef {
const depDefs: DepDef[] = deps.map(value => {
let token: any;
let flags: DepFlags;
if (Array.isArray(value)) {
[flags, token] = value;
} else {
flags = DepFlags.None;
token = value;
}
return {flags, token, tokenKey: tokenKey(token)};
});
const depDefs = splitDepsDsl(deps);
return {
// will bet set by the module definition
index: -1,
@ -97,16 +87,16 @@ function _createProviderInstance(ngModule: NgModuleData, providerDef: NgModulePr
let injectable: any;
switch (providerDef.flags & NodeFlags.Types) {
case NodeFlags.TypeClassProvider:
injectable = _createClass(ngModule, providerDef !.value, providerDef !.deps);
injectable = _createClass(ngModule, providerDef.value, providerDef.deps);
break;
case NodeFlags.TypeFactoryProvider:
injectable = _callFactory(ngModule, providerDef !.value, providerDef !.deps);
injectable = _callFactory(ngModule, providerDef.value, providerDef.deps);
break;
case NodeFlags.TypeUseExistingProvider:
injectable = resolveNgModuleDep(ngModule, providerDef !.deps[0]);
injectable = resolveNgModuleDep(ngModule, providerDef.deps[0]);
break;
case NodeFlags.TypeValueProvider:
injectable = providerDef !.value;
injectable = providerDef.value;
break;
}
return injectable;