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Refactor to improve iterations

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- Use function abstractions (such as map, reduce, filter etc.) over
  for-of loops to gain benefits of having less side effects and easier
  readability.
- Enable `downLevelIterations` for writing modern code with lazy evaluation.
- Refactor for of loops to named abstractions to clearly express their
  intentions without needing to analyse the loop itself.
- Add missing cases for changes that had no tests.
This commit is contained in:
undergroundwires
2022-01-04 21:45:22 +01:00
parent bd23faa28f
commit 31f70913a2
35 changed files with 342 additions and 343 deletions
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57
tests/unit/domain/CategoryCollection.spec.ts
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@@ -121,24 +121,45 @@ describe('CategoryCollection', () => {
expect(construct).to.throw('must consist of at least one script');
});
describe('cannot construct without any recommended scripts', () => {
// arrange
const recommendationLevels = getEnumValues(RecommendationLevel);
for (const missingLevel of recommendationLevels) {
it(`when "${RecommendationLevel[missingLevel]}" is missing`, () => {
const expectedError = `none of the scripts are recommended as ${RecommendationLevel[missingLevel]}`;
const otherLevels = recommendationLevels.filter((level) => level !== missingLevel);
const categories = otherLevels.map(
(level, index) => new CategoryStub(index)
.withScript(new ScriptStub(`Script${index}`).withLevel(level)),
);
// act
const construct = () => new CategoryCollectionBuilder()
.withActions(categories)
.construct();
// assert
expect(construct).to.throw(expectedError);
});
}
describe('single missing', () => {
// arrange
const recommendationLevels = getEnumValues(RecommendationLevel);
for (const missingLevel of recommendationLevels) {
it(`when "${RecommendationLevel[missingLevel]}" is missing`, () => {
const expectedError = `none of the scripts are recommended as "${RecommendationLevel[missingLevel]}".`;
const otherLevels = recommendationLevels.filter((level) => level !== missingLevel);
const categories = otherLevels.map(
(level, index) => new CategoryStub(index)
.withScript(
new ScriptStub(`Script${index}`).withLevel(level),
),
);
// act
const construct = () => new CategoryCollectionBuilder()
.withActions(categories)
.construct();
// assert
expect(construct).to.throw(expectedError);
});
}
});
it('multiple are missing', () => {
// arrange
const expectedError = 'none of the scripts are recommended as '
+ `"${RecommendationLevel[RecommendationLevel.Standard]}, "${RecommendationLevel[RecommendationLevel.Strict]}".`;
const categories = [
new CategoryStub(0)
.withScript(
new ScriptStub(`Script${0}`).withLevel(undefined),
),
];
// act
const construct = () => new CategoryCollectionBuilder()
.withActions(categories)
.construct();
// assert
expect(construct).to.throw(expectedError);
});
});
});
describe('totalScripts', () => {