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mermaid/packages/mermaid/src/diagrams/flowchart/parser/flow-singlenode.spec.js

372 lines
12 KiB
JavaScript

import { FlowDB } from '../flowDb.js';
import flow from './flowParser.ts';
import { setConfig } from '../../../config.js';
setConfig({
securityLevel: 'strict',
});
const keywords = [
'graph',
'flowchart',
'flowchart-elk',
'style',
'default',
'linkStyle',
'interpolate',
'classDef',
'class',
'href',
'call',
'click',
'_self',
'_blank',
'_parent',
'_top',
'end',
'subgraph',
];
const specialChars = ['#', ':', '0', '&', ',', '*', '.', '\\', 'v', '-', '/', '_'];
describe('[Singlenodes] when parsing', () => {
beforeEach(function () {
flow.parser.yy = new FlowDB();
flow.parser.yy.clear();
});
it('should handle a single node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;A;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('A').styles.length).toBe(0);
});
it('should handle a single node with white space after it (SN1)', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;A ;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('A').styles.length).toBe(0);
});
it('should handle a single square node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a[A];');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').styles.length).toBe(0);
expect(vert.get('a').type).toBe('square');
});
it('should handle a single round square node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a[A];');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').styles.length).toBe(0);
expect(vert.get('a').type).toBe('square');
});
it('should handle a single circle node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a((A));');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('circle');
});
it('should handle a single round node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a(A);');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('round');
});
it('should handle a single odd node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a>A];');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('odd');
});
it('should handle a single diamond node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a{A};');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('diamond');
});
it('should handle a single diamond node with whitespace after it', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a{A} ;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('diamond');
});
it('should handle a single diamond node with html in it (SN3)', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a{A <br> end};');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('diamond');
expect(vert.get('a').text).toBe('A <br> end');
});
it('should handle a single hexagon node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a{{A}};');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('hexagon');
});
it('should handle a single hexagon node with html in it', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a{{A <br> end}};');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('hexagon');
expect(vert.get('a').text).toBe('A <br> end');
});
it('should handle a single round node with html in it', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a(A <br> end);');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('round');
expect(vert.get('a').text).toBe('A <br> end');
});
it('should handle a single double circle node', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a(((A)));');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('doublecircle');
});
it('should handle a single double circle node with whitespace after it', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a(((A))) ;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('doublecircle');
});
it('should handle a single double circle node with html in it (SN3)', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;a(((A <br> end)));');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('a').type).toBe('doublecircle');
expect(vert.get('a').text).toBe('A <br> end');
});
it('should handle a single node with alphanumerics starting on a char', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;id1;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('id1').styles.length).toBe(0);
});
it('should handle a single node with a single digit', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;1;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('1').text).toBe('1');
});
it('should handle a single node with a single digit in a subgraph', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;subgraph "hello";1;end;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('1').text).toBe('1');
});
it('should handle a single node with alphanumerics starting on a num', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;1id;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('1id').styles.length).toBe(0);
});
it('should handle a single node with alphanumerics containing a minus sign', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;i-d;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('i-d').styles.length).toBe(0);
});
it('should handle a single node with alphanumerics containing a underscore sign', function () {
// Silly but syntactically correct
const res = flow.parser.parse('graph TD;i_d;');
const vert = flow.parser.yy.getVertices();
const edges = flow.parser.yy.getEdges();
expect(edges.length).toBe(0);
expect(vert.get('i_d').styles.length).toBe(0);
});
it.each(keywords)('should handle keywords between dashes "-"', function (keyword) {
const res = flow.parser.parse(`graph TD;a-${keyword}-node;`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`a-${keyword}-node`).text).toBe(`a-${keyword}-node`);
});
it.each(keywords)('should handle keywords between periods "."', function (keyword) {
const res = flow.parser.parse(`graph TD;a.${keyword}.node;`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`a.${keyword}.node`).text).toBe(`a.${keyword}.node`);
});
it.each(keywords)('should handle keywords between underscores "_"', function (keyword) {
const res = flow.parser.parse(`graph TD;a_${keyword}_node;`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`a_${keyword}_node`).text).toBe(`a_${keyword}_node`);
});
it.each(keywords)('should handle nodes ending in %s', function (keyword) {
const res = flow.parser.parse(`graph TD;node_${keyword};node.${keyword};node-${keyword};`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`node_${keyword}`).text).toBe(`node_${keyword}`);
expect(vert.get(`node.${keyword}`).text).toBe(`node.${keyword}`);
expect(vert.get(`node-${keyword}`).text).toBe(`node-${keyword}`);
});
const errorKeywords = [
'graph',
'flowchart',
'flowchart-elk',
'style',
'linkStyle',
'interpolate',
'classDef',
'class',
'_self',
'_blank',
'_parent',
'_top',
'end',
'subgraph',
];
it.each(errorKeywords)('should throw error at nodes beginning with %s', function (keyword) {
const str = `graph TD;${keyword}.node;${keyword}-node;${keyword}/node`;
const vert = flow.parser.yy.getVertices();
expect(() => flow.parser.parse(str)).toThrowError();
});
const workingKeywords = ['default', 'href', 'click', 'call'];
it.each(workingKeywords)('should parse node beginning with %s', function (keyword) {
flow.parser.parse(`graph TD; ${keyword}.node;${keyword}-node;${keyword}/node;`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`${keyword}.node`).text).toBe(`${keyword}.node`);
expect(vert.get(`${keyword}-node`).text).toBe(`${keyword}-node`);
expect(vert.get(`${keyword}/node`).text).toBe(`${keyword}/node`);
});
it.each(specialChars)(
'should allow node ids of single special characters',
function (specialChar) {
flow.parser.parse(`graph TD; ${specialChar} --> A`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`${specialChar}`).text).toBe(`${specialChar}`);
}
);
it.each(specialChars)(
'should allow node ids with special characters at start of id',
function (specialChar) {
flow.parser.parse(`graph TD; ${specialChar}node --> A`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`${specialChar}node`).text).toBe(`${specialChar}node`);
}
);
it.each(specialChars)(
'should allow node ids with special characters at end of id',
function (specialChar) {
flow.parser.parse(`graph TD; node${specialChar} --> A`);
const vert = flow.parser.yy.getVertices();
expect(vert.get(`node${specialChar}`).text).toBe(`node${specialChar}`);
}
);
});