92 lines
3.5 KiB
TypeScript
92 lines
3.5 KiB
TypeScript
import 'mocha';
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import { expect } from 'chai';
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import { SharedFunctionCollection } from '@/application/Parser/Script/Compiler/Function/SharedFunctionCollection';
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import { SharedFunctionStub } from '@tests/unit/shared/Stubs/SharedFunctionStub';
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import { FunctionBodyType } from '@/application/Parser/Script/Compiler/Function/ISharedFunction';
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import { FunctionCallStub } from '@tests/unit/shared/Stubs/FunctionCallStub';
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import { itEachAbsentObjectValue, itEachAbsentStringValue } from '@tests/unit/shared/TestCases/AbsentTests';
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describe('SharedFunctionCollection', () => {
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describe('addFunction', () => {
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describe('throws if function is missing', () => {
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itEachAbsentObjectValue((absentValue) => {
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// arrange
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const expectedError = 'missing function';
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const func = absentValue;
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const sut = new SharedFunctionCollection();
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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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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 = new SharedFunctionStub(FunctionBodyType.Code)
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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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});
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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 = new SharedFunctionStub(FunctionBodyType.Code)
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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 = new SharedFunctionStub(FunctionBodyType.Code)
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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 = new SharedFunctionStub(FunctionBodyType.Code)
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.withName('calleeFunction');
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const caller = new SharedFunctionStub(FunctionBodyType.Calls)
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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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