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Tests that #308 is fixed.
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import assert from "assert"; | ||
import it from "./it.js"; | ||
import jsdom from "./jsdom.js"; | ||
import * as d3 from "d3-selection"; | ||
import * as d3_transition from "d3-transition"; | ||
import * as d3_graphviz from "../index.js"; | ||
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it("graphviz().render() transitions a cluster graph into another and renders all cluster before nodes.", async () => { | ||
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const window = global.window = jsdom('<div id="graph"><div id="dummy">Hello World</div></div>'); | ||
global.document = window.document | ||
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let graphviz; | ||
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await new Promise(resolve => { | ||
graphviz = d3_graphviz.graphviz("#graph") | ||
.on('initEnd', resolve); | ||
}); | ||
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const dots = [ | ||
` | ||
digraph { | ||
graph[style=filled] | ||
subgraph "cluster_a" { | ||
fillcolor=purple | ||
a | ||
} | ||
} | ||
`, | ||
` | ||
digraph { | ||
graph[style=filled] | ||
subgraph "cluster_b" { | ||
fillcolor=orange | ||
b | ||
} | ||
subgraph "cluster_c" { | ||
fillcolor=limegreen | ||
c | ||
} | ||
subgraph "cluster_d" { | ||
fillcolor=cyan | ||
d | ||
} | ||
subgraph "cluster_a" { | ||
fillcolor=purple | ||
a | ||
} | ||
} | ||
`, | ||
]; | ||
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await new Promise(resolve => { | ||
graphviz | ||
.zoom(false) | ||
.dot(dots[0]) | ||
.on("end", resolve) | ||
.render(); | ||
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assert.ok(graphviz._active, 'Rendering is active after the 1st rendering has been initiated'); | ||
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assert.equal(d3.selectAll('.node').size(), 1, 'Number of initial nodes'); | ||
assert.equal(d3.selectAll('.edge').size(), 0, 'Number of initial edges'); | ||
assert.equal(d3.selectAll('.cluster').size(), 1, 'Number of initial clusters'); | ||
assert.equal(d3.selectAll('polygon').size(), 2, 'Number of initial polygons'); | ||
assert.equal(d3.selectAll('ellipse').size(), 1, 'Number of initial ellipses'); | ||
assert.equal(d3.selectAll('path').size(), 0, 'Number of initial paths'); | ||
}); | ||
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await new Promise(resolve => { | ||
graphviz | ||
.dot(dots[1]) | ||
.transition(d3_transition.transition().duration(100)) | ||
.on("end", resolve) | ||
.render(); | ||
}); | ||
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assert.equal(d3.selectAll('.node').size(), 4, 'Number of nodes after 1st transition'); | ||
assert.equal(d3.selectAll('.edge').size(), 0, 'Number of edges after 1st transition'); | ||
assert.equal(d3.selectAll('.cluster').size(), 4, 'Number of clusters after 1st transition'); | ||
assert.equal(d3.selectAll('polygon').size(), 5, 'Number of polygons after 1st transition'); | ||
assert.equal(d3.selectAll('ellipse').size(), 4, 'Number of ellipses after 1st transition'); | ||
assert.equal(d3.selectAll('path').size(), 0, 'Number of paths after 1st transition'); | ||
assert.equal(d3.selectAll('g').size(), 9, 'Number of paths after 1st transition'); | ||
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let seenClusters = {}; | ||
let seenNodes = {}; | ||
d3.selectAll('g>title').each(function () { | ||
const titleText = this.textContent; | ||
if (titleText.startsWith("cluster_")) { | ||
const clusterName = titleText; | ||
seenClusters[clusterName] = true; | ||
const expectedNode = titleText.replace("cluster_", ""); | ||
assert.equal(seenNodes[expectedNode], null, "Node shall not be seen before cluster"); | ||
} | ||
else { | ||
const nodeName = titleText; | ||
seenNodes[nodeName] = true; | ||
const expectedCluster = "cluster_" + titleText; | ||
assert.equal(seenClusters[expectedCluster], true, "Cluster shall be seen before node"); | ||
} | ||
}); | ||
}); |