137 lines
4.5 KiB
TypeScript
137 lines
4.5 KiB
TypeScript
import 'mocha';
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import { expect } from 'chai';
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import { CodeBuilder } from '@/application/Context/State/Code/Generation/CodeBuilder';
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describe('CodeBuilder', () => {
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class CodeBuilderConcrete extends CodeBuilder {
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private commentDelimiter = '//';
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public withCommentDelimiter(delimiter: string): CodeBuilderConcrete {
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this.commentDelimiter = delimiter;
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return this;
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}
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protected getCommentDelimiter(): string {
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return this.commentDelimiter;
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}
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protected writeStandardOut(text: string): string {
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return text;
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}
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}
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describe('appendLine', () => {
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it('when empty appends empty line', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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// act
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sut.appendLine().appendLine().appendLine();
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// assert
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expect(sut.toString()).to.equal('\n\n');
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});
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it('when not empty append string in new line', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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const expected = 'str';
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// act
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sut.appendLine()
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.appendLine(expected);
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// assert
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const result = sut.toString();
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const lines = getLines(result);
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expect(lines[1]).to.equal('str');
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});
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});
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it('appendFunction', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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const functionName = 'function';
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const code = 'code';
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// act
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sut.appendFunction(functionName, code);
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// assert
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const result = sut.toString();
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expect(result).to.include(functionName);
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expect(result).to.include(code);
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});
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it('appendTrailingHyphensCommentLine', () => {
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// arrange
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const commentDelimiter = '//';
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const sut = new CodeBuilderConcrete()
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.withCommentDelimiter(commentDelimiter);
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const totalHyphens = 5;
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const expected = `${commentDelimiter} ${'-'.repeat(totalHyphens)}`;
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// act
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sut.appendTrailingHyphensCommentLine(totalHyphens);
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// assert
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const result = sut.toString();
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const lines = getLines(result);
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expect(lines[0]).to.equal(expected);
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});
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it('appendCommentLine', () => {
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// arrange
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const commentDelimiter = '//';
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const sut = new CodeBuilderConcrete()
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.withCommentDelimiter(commentDelimiter);
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const comment = 'comment';
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const expected = `${commentDelimiter} comment`;
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// act
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const result = sut
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.appendCommentLine(comment)
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.toString();
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// assert
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const lines = getLines(result);
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expect(lines[0]).to.equal(expected);
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});
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it('appendCommentLineWithHyphensAround', () => {
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// arrange
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const commentDelimiter = '//';
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const sut = new CodeBuilderConcrete()
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.withCommentDelimiter(commentDelimiter);
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const sectionName = 'section';
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const totalHyphens = sectionName.length + 3 * 2;
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const expected = `${commentDelimiter} ---section---`;
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// act
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const result = sut
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.appendCommentLineWithHyphensAround(sectionName, totalHyphens)
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.toString();
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// assert
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const lines = getLines(result);
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expect(lines[1]).to.equal(expected);
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});
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describe('currentLine', () => {
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it('no lines returns zero', () => {
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// arrange & act
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const sut = new CodeBuilderConcrete();
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// assert
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expect(sut.currentLine).to.equal(0);
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});
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it('single line returns one', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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// act
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sut.appendLine();
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// assert
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expect(sut.currentLine).to.equal(1);
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});
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it('multiple lines returns as expected', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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// act
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sut.appendLine('1')
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.appendCommentLine('2')
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.appendLine();
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// assert
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expect(sut.currentLine).to.equal(3);
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});
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it('multiple lines in code', () => {
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// arrange
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const sut = new CodeBuilderConcrete();
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// act
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sut.appendLine('hello\ncode-here\nwith-3-lines');
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// assert
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expect(sut.currentLine).to.equal(3);
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});
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});
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});
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function getLines(text: string): string[] {
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return text.split(/\r\n|\r|\n/);
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}
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