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test(struct): 100% code coverage

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Simon Chan 2021-01-17 19:57:34 +08:00
parent b71f9714b2
commit 83910f1a35
12 changed files with 985 additions and 466 deletions
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54
packages/struct/src/struct.ts
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@ -1,13 +1,11 @@
import { StructDefaultOptions, StructDeserializationContext, StructFieldDefinition, StructFieldValue, StructOptions, StructSerializationContext, StructValue } from './basic';
import { ArrayBufferFieldType, ArrayBufferLikeFieldType, FixedLengthArrayBufferLikeFieldDefinition, FixedLengthArrayBufferLikeFieldOptions, NumberFieldDefinition, NumberFieldType, StringFieldType, Uint8ClampedArrayFieldType, VariableLengthArrayBufferLikeFieldDefinition, VariableLengthArrayBufferLikeFieldOptions } from './types';
import { Evaluate, Identity, KeysOfType, Overwrite } from './utils';
import { Awaited, Evaluate, Identity, KeysOfType, Overwrite } from './utils';
export interface StructLike<TValue> {
deserialize(context: StructDeserializationContext): Promise<TValue>;
}
export type Awaited<T> = T extends Promise<infer R> ? Awaited<R> : T;
/**
* Extract the value type of the specified `Struct`
*
@ -160,17 +158,17 @@ export type StructDeserializedType<TFields extends object, TExtra extends object
export class Struct<
TFields extends object = {},
TOmitInit extends string = never,
TOmitInitKey extends string = never,
TExtra extends object = {},
TPostDeserialized = undefined,
> implements StructLike<StructDeserializedType<TFields, TExtra, TPostDeserialized>>{
public readonly fieldsType!: TFields;
public readonly omitInitType!: TOmitInit;
public readonly omitInitType!: TOmitInitKey;
public readonly extraType!: TExtra;
public readonly initType!: Evaluate<Omit<TFields, TOmitInit>>;
public readonly initType!: Evaluate<Omit<TFields, TOmitInitKey>>;
public readonly deserializedType!: StructDeserializedType<TFields, TExtra, TPostDeserialized>;
@ -188,7 +186,7 @@ export class Struct<
private _postDeserialized?: StructPostDeserialized<any, any>;
public constructor(options?: Partial<StructOptions>) {
public constructor(options?: Partial<Readonly<StructOptions>>) {
this.options = { ...StructDefaultOptions, ...options };
}
@ -203,12 +201,18 @@ export class Struct<
definition: TDefinition,
): AddFieldDescriptor<
TFields,
TOmitInit,
TOmitInitKey,
TExtra,
TPostDeserialized,
TName,
TDefinition
> {
for (const field of this._fields) {
if (field[0] === name) {
throw new Error(`This struct already have a field with name '${name}'`);
}
}
this._fields.push([name, definition]);
const size = definition.getSize();
@ -225,7 +229,7 @@ export class Struct<
other: TOther
): Struct<
TFields & TOther['fieldsType'],
TOmitInit | TOther['omitInitType'],
TOmitInitKey | TOther['omitInitType'],
TExtra & TOther['extraType'],
TPostDeserialized
> {
@ -394,7 +398,7 @@ export class Struct<
private arrayBufferLike: ArrayBufferLikeFieldCreator<
TFields,
TOmitInit,
TOmitInitKey,
TExtra,
TPostDeserialized
> = (
@ -417,7 +421,7 @@ export class Struct<
public arrayBuffer: ArrayBufferTypeFieldDefinitionCreator<
TFields,
TOmitInit,
TOmitInitKey,
TExtra,
TPostDeserialized,
ArrayBufferFieldType
@ -430,7 +434,7 @@ export class Struct<
public uint8ClampedArray: ArrayBufferTypeFieldDefinitionCreator<
TFields,
TOmitInit,
TOmitInitKey,
TExtra,
TPostDeserialized,
Uint8ClampedArrayFieldType
@ -443,7 +447,7 @@ export class Struct<
public string: ArrayBufferTypeFieldDefinitionCreator<
TFields,
TOmitInit,
TOmitInitKey,
TExtra,
TPostDeserialized,
StringFieldType
@ -475,7 +479,7 @@ export class Struct<
value: T & ThisType<Overwrite<Overwrite<TExtra, T>, TFields>>
): Struct<
TFields,
TOmitInit,
TOmitInitKey,
Overwrite<TExtra, T>,
TPostDeserialized
> {
@ -491,7 +495,7 @@ export class Struct<
*/
public postDeserialize(
callback: StructPostDeserialized<TFields, never>
): Struct<TFields, TOmitInit, TExtra, never>;
): Struct<TFields, TOmitInitKey, TExtra, never>;
/**
* Registers (or replaces) a custom callback to be run after deserialized.
*
@ -500,7 +504,7 @@ export class Struct<
*/
public postDeserialize(
callback?: StructPostDeserialized<TFields, void>
): Struct<TFields, TOmitInit, TExtra, undefined>;
): Struct<TFields, TOmitInitKey, TExtra, undefined>;
/**
* Registers (or replaces) a custom callback to be run after deserialized.
*
@ -509,7 +513,7 @@ export class Struct<
*/
public postDeserialize<TPostSerialize>(
callback?: StructPostDeserialized<TFields, TPostSerialize>
): Struct<TFields, TOmitInit, TExtra, TPostSerialize>;
): Struct<TFields, TOmitInitKey, TExtra, TPostSerialize>;
public postDeserialize(
callback?: StructPostDeserialized<TFields, any>
) {
@ -517,16 +521,11 @@ export class Struct<
return this as any;
}
private initializeStructValue() {
const value = new StructValue();
Object.defineProperties(value.value, this._extra);
return value;
}
public async deserialize(
context: StructDeserializationContext
): Promise<StructDeserializedType<TFields, TExtra, TPostDeserialized>> {
const value = this.initializeStructValue();
const value = new StructValue();
Object.defineProperties(value.value, this._extra);
for (const [name, definition] of this._fields) {
const fieldValue = await definition.deserialize(this.options, context, value);
@ -534,7 +533,8 @@ export class Struct<
}
if (this._postDeserialized) {
const result = this._postDeserialized.call(value.value as TFields, value as TFields);
const object = value.value as TFields;
const result = this._postDeserialized.call(object, object);
if (result) {
return result;
}
@ -543,8 +543,8 @@ export class Struct<
return value.value as any;
}
public serialize(init: Evaluate<Omit<TFields, TOmitInit>>, context: StructSerializationContext): ArrayBuffer {
const value = this.initializeStructValue();
public serialize(init: Evaluate<Omit<TFields, TOmitInitKey>>, context: StructSerializationContext): ArrayBuffer {
const value = new StructValue();
for (const [name, definition] of this._fields) {
const fieldValue = definition.create(this.options, context, value, (init as any)[name]);