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<!DOCTYPE html> <html> <head> <title>flow.spec.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="../../../../doc-style.css" /> <script src="../../../../doc-filelist.js"></script> <script> var relativeDir = "../../../../", thisFile = "Users/knut/Documents/source/mermaid/src/diagrams/flowchart/parser/flow.spec.js", defaultSidebar = true; </script> <script src="../../../../doc-script.js"></script> <script src="../../../../mermaid.js"></script> <link rel="stylesheet" href="../../../../mermaid.css" /> </head> <body> <div id="sidebar_wrapper"> <div id="sidebar_switch"> Files Headings </div> <div id="tree"></div> <div id="headings"> <div class="heading h1"> <a href="#flow.spec.js">flow.spec.js</a> </div> </div> </div> <div id="sidebar-toggle"></div> <div id="container"><div class="background highlight"></div> <table cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="docs"> <div class="pilwrap" id="flow.spec.js"> <h1> <a href="#flow.spec.js" name="flow.spec.js" class="pilcrow">¶</a>flow.spec.js </h1> </div> </td> <td class="code highlight"></td> </tr> <tr> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1" id="section-1">¶</a> </div> <div class="dox"> <div class="summary">Created by knut on 14-11-03. </div> <div class="body"> </div> </div> </td> <td class="code highlight"><div class="highlight"><pre>var graph = require('../graphDb'); var flow = require('./flow'); describe('when parsing ',function(){ beforeEach(function(){ flow.parser.yy = require('../graphDb'); flow.parser.yy.clear(); </pre></div> </td> </tr> <tr> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2" id="section-2">¶</a> </div> <div class="dox"> <div class="summary">flow.parser.parse.parseError= function parseError(str, hash) { log.debugconsole.log(str); } </div> <div class="body"> </div> </div> </td> <td class="code highlight"><div class="highlight"><pre> }); it('should handle a nodes and edges',function(){ var res = flow.parser.parse('graph TD;\nA-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle angle bracket '>' as direction LR',function(){ var res = flow.parser.parse('graph >;A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); var direction = flow.parser.yy.getDirection(); expect(direction).toBe('LR'); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle angle bracket '<' as direction RL',function(){ var res = flow.parser.parse('graph <;A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); var direction = flow.parser.yy.getDirection(); expect(direction).toBe('RL'); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle caret '^' as direction BT',function(){ var res = flow.parser.parse('graph ^;A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); var direction = flow.parser.yy.getDirection(); expect(direction).toBe('BT'); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle lower-case \'v\' as direction TB',function(){ var res = flow.parser.parse('graph v;A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); var direction = flow.parser.yy.getDirection(); expect(direction).toBe('TB'); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle a nodes and edges and a space between link and node',function(){ var res = flow.parser.parse('graph TD;A --> B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle a nodes and edges, a space between link and node and each line ending without semicolon',function(){ var res = flow.parser.parse('graph TD\nA --> B\n style e red'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle statements ending without semicolon',function(){ var res = flow.parser.parse('graph TD\nA-->B\nB-->C'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(2); expect(edges[1].start).toBe('B'); expect(edges[1].end).toBe('C'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle a comments',function(){ var res = flow.parser.parse('graph TD;\n%% CComment\n A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle comments a at the start',function(){ var res = flow.parser.parse('%% Comment\ngraph TD;\n A-->B;'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle comments at the end',function(){ var res = flow.parser.parse('graph TD;\n A-->B\n %% Comment at the find\n'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle comments at the end no trailing newline',function(){ var res = flow.parser.parse('graph TD;\n A-->B\n%% Commento'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); expect(edges[0].end).toBe('B'); expect(edges[0].type).toBe('arrow'); expect(edges[0].text).toBe(''); }); it('should handle comments at the end many trailing newlines',function(){ var res = flow.parser.parse('graph TD;\n A-->B\n%% Commento\n\n\n'); var vert = flow.parser.yy.getVertices(); var edges = flow.parser.yy.getEdges(); expect(vert['A'].id).toBe('A'); expect(vert['B'].id).toBe('B'); expect(edges.length).toBe(1); expect(edges[0].start).toBe('A'); <spa