949fac1a7c
This commit applies `strictNullChecks` to the entire codebase to improve maintainability and type safety. Key changes include: - Remove some explicit null-checks where unnecessary. - Add necessary null-checks. - Refactor static factory functions for a more functional approach. - Improve some test names and contexts for better debugging. - Add unit tests for any additional logic introduced. - Refactor `createPositionFromRegexFullMatch` to its own function as the logic is reused. - Prefer `find` prefix on functions that may return `undefined` and `get` prefix for those that always return a value.
47 lines
1.8 KiB
TypeScript
47 lines
1.8 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { getWindowInjectedSystemOperations } from '@/infrastructure/SystemOperations/WindowInjectedSystemOperations';
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import { WindowVariables } from '@/infrastructure/WindowVariables/WindowVariables';
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import { itEachAbsentObjectValue } from '@tests/unit/shared/TestCases/AbsentTests';
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import { SystemOperationsStub } from '@tests/unit/shared/Stubs/SystemOperationsStub';
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describe('WindowInjectedSystemOperations', () => {
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describe('getWindowInjectedSystemOperations', () => {
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describe('throws if window is absent', () => {
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itEachAbsentObjectValue((absentValue) => {
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// arrange
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const expectedError = 'missing window';
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const window: WindowVariables = absentValue as never;
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// act
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const act = () => getWindowInjectedSystemOperations(window);
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// assert
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expect(act).to.throw(expectedError);
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}, { excludeUndefined: true });
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});
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describe('throw if system is absent', () => {
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itEachAbsentObjectValue((absentValue) => {
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// arrange
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const expectedError = 'missing system';
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const absentSystem = absentValue;
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const window: Partial<WindowVariables> = {
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system: absentSystem as never,
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};
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// act
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const act = () => getWindowInjectedSystemOperations(window);
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// assert
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expect(act).to.throw(expectedError);
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});
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});
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it('returns from window', () => {
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// arrange
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const expectedValue = new SystemOperationsStub();
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const window: Partial<WindowVariables> = {
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system: expectedValue,
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};
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// act
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const actualValue = getWindowInjectedSystemOperations(window);
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// assert
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expect(actualValue).to.equal(expectedValue);
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});
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});
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});
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