4212c7b9e0
This commit introduces a custom error object to provide additional context for errors throwing during parsing and compiling operations, improving troubleshooting. By integrating error context handling, the error messages become more informative and user-friendly, providing sequence of trace with context to aid in troubleshooting. Changes include: - Introduce custom error object that extends errors with contextual information. This replaces previous usages of `AggregateError` which is not displayed well by browsers when logged. - Improve parsing functions to encapsulate error context with more details. - Increase unit test coverage and refactor the related code to be more testable.
78 lines
3.0 KiB
TypeScript
78 lines
3.0 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { SharedFunctionCollection } from '@/application/Parser/Script/Compiler/Function/SharedFunctionCollection';
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import { createSharedFunctionStubWithCode, createSharedFunctionStubWithCalls } from '@tests/unit/shared/Stubs/SharedFunctionStub';
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import { FunctionCallStub } from '@tests/unit/shared/Stubs/FunctionCallStub';
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import { itEachAbsentStringValue } from '@tests/unit/shared/TestCases/AbsentTests';
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describe('SharedFunctionCollection', () => {
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describe('addFunction', () => {
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it('throws if function with same name already exists', () => {
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// arrange
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const functionName = 'duplicate-function';
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const expectedError = `function with name ${functionName} already exists`;
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const func = createSharedFunctionStubWithCode()
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.withName('duplicate-function');
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const sut = new SharedFunctionCollection();
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sut.addFunction(func);
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// act
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const act = () => sut.addFunction(func);
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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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describe('getFunctionByName', () => {
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describe('throws if name is absent', () => {
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itEachAbsentStringValue((absentValue) => {
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// arrange
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const expectedError = 'missing function name';
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const sut = new SharedFunctionCollection();
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// act
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const act = () => sut.getFunctionByName(absentValue);
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// assert
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expect(act).to.throw(expectedError);
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}, { excludeNull: true, excludeUndefined: true });
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});
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it('throws if function does not exist', () => {
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// arrange
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const name = 'unique-name';
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const expectedError = `Called function is not defined: "${name}"`;
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const func = createSharedFunctionStubWithCode()
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.withName('unexpected-name');
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const sut = new SharedFunctionCollection();
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sut.addFunction(func);
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// act
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const act = () => sut.getFunctionByName(name);
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// assert
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expect(act).to.throw(expectedError);
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});
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describe('returns existing function', () => {
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it('when function with inline code is added', () => {
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// arrange
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const expected = createSharedFunctionStubWithCode()
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.withName('expected-function-name');
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const sut = new SharedFunctionCollection();
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// act
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sut.addFunction(expected);
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const actual = sut.getFunctionByName(expected.name);
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// assert
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expect(actual).to.equal(expected);
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});
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it('when calling function is added', () => {
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// arrange
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const callee = createSharedFunctionStubWithCode()
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.withName('calleeFunction');
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const caller = createSharedFunctionStubWithCalls()
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.withName('callerFunction')
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.withCalls(new FunctionCallStub().withFunctionName(callee.name));
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const sut = new SharedFunctionCollection();
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// act
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sut.addFunction(callee);
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sut.addFunction(caller);
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const actual = sut.getFunctionByName(caller.name);
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// assert
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expect(actual).to.equal(caller);
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});
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});
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});
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});
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