213 lines
6.7 KiB
TypeScript
213 lines
6.7 KiB
TypeScript
import * as plugins from './smartexpect.plugins';
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export type TExecutionType = 'sync' | 'async';
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export class Assertion {
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executionMode: TExecutionType;
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baseReference: any;
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propertyDrillDown: string[] = [];
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private notSetting = false;
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private timeoutSetting = 0;
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constructor(baseReferenceArg: any, executionModeArg: TExecutionType) {
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this.baseReference = baseReferenceArg;
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this.executionMode = executionModeArg;
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}
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private getObjectToTestReference() {
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let returnObjectToTestReference = this.baseReference;
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for (const property of this.propertyDrillDown) {
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returnObjectToTestReference = returnObjectToTestReference[property];
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}
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return returnObjectToTestReference;
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}
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public get not() {
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this.notSetting = true;
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return this;
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}
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public timeout(millisArg: number) {
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this.timeoutSetting = millisArg;
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return this;
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}
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private runCheck(checkFunction: () => any) {
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const runDirectOrNegated = (checkFunction: () => any) => {
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if (!this.notSetting) {
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return checkFunction();
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} else {
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let isOk = false;
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try {
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runDirectOrNegated(checkFunction());
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} catch (e) {
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isOk = true;
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}
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if (!isOk) {
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throw new Error('Negated assertion is not ok!');
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}
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}
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};
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if (this.executionMode === 'async') {
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const done = plugins.smartpromise.defer();
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if (!(this.baseReference instanceof Promise)) {
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done.reject(new Error(`${this.baseReference} is not of type promise.`));
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} else {
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if (this.timeoutSetting) {
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plugins.smartdelay.delayFor(this.timeoutSetting).then(() => {
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if (done.status === 'pending') {
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done.reject(new Error(`${this.baseReference} timed out at ${this.timeoutSetting}!`));
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}
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});
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}
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this.baseReference.then((promiseResultArg) => {
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this.baseReference = promiseResultArg;
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done.resolve(runDirectOrNegated(checkFunction));
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});
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}
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return done.promise;
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} else {
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return runDirectOrNegated(checkFunction);
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}
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}
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public toBeTypeofString() {
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return this.runCheck(() => {
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if (typeof this.getObjectToTestReference() !== 'string') {
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throw new Error(
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`Assertion failed: ${this.baseReference} with drill down ${this.propertyDrillDown} is not of type string, but typeof ${typeof this
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.baseReference}`
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);
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}
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});
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}
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public toBeTypeofNumber() {
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return this.runCheck(() => {
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if (typeof this.getObjectToTestReference() !== 'number') {
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throw new Error(
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`Assertion failed: ${this.baseReference} with drill down ${this.propertyDrillDown} is not of type string, but typeof ${typeof this
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.baseReference}`
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);
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}
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});
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}
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public toBeTypeofBoolean() {
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return this.runCheck(() => {
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if (typeof this.getObjectToTestReference() !== 'boolean') {
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throw new Error(
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`Assertion failed: ${this.baseReference} with drill down ${this.propertyDrillDown} is not of type string, but typeof ${typeof this
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.baseReference}`
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);
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}
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});
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}
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public toEqual(comparisonObject: any) {
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return this.runCheck(() => {
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const result = plugins.fastDeepEqual(this.getObjectToTestReference(), comparisonObject);
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} does not equal ${comparisonObject}`);
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}
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});
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}
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public toBeTrue() {
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return this.runCheck(() => {
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const result = typeof this.getObjectToTestReference() === 'boolean' && this.getObjectToTestReference() === true;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not true or not of type boolean`);
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}
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});
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}
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public toBeFalse() {
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return this.runCheck(() => {
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const result = typeof this.getObjectToTestReference() === 'boolean' && this.getObjectToTestReference() === false;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not false or not of type boolean`);
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}
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});
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}
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public toBeInstanceOf(classArg: any) {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() instanceof classArg;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not an instance of ${classArg}`);
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}
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});
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}
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public toHaveProperty(propertyArg: string) {
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return this.runCheck(() => {
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const result = !!this.getObjectToTestReference()[propertyArg];
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} does not have property ${propertyArg}`);
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}
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});
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}
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public toBeGreaterThan(numberArg: number) {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() > numberArg;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not greater than ${numberArg}`);
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}
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});
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}
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public toBeLessThan(numberArg: number) {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() < numberArg;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not less than ${numberArg}`);
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}
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});
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}
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public toBeNull() {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() === null;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not null`);
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}
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});
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}
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public toBeUndefined() {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() === undefined;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not undefined`);
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}
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});
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}
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public toBeNullOrUndefined() {
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return this.runCheck(() => {
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const result = this.getObjectToTestReference() === null || this.getObjectToTestReference() === undefined;
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not null or undefined`);
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}
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});
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}
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public toContain(itemArg: any) {
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return this.runCheck(() => {
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const result =
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this.getObjectToTestReference() instanceof Array &&
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this.getObjectToTestReference().includes(itemArg);
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if (!result) {
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throw new Error(`${this.baseReference} with drill down ${this.propertyDrillDown} is not contain ${itemArg}`);
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}
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});
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}
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public property(propertyNameArg: string) {
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this.propertyDrillDown.push(propertyNameArg);
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return this;
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}
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}
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