display history of topic updates on topic details page

[websub-hub] / test / src / template / histogram-svg.js

diff --git a/test/src/template/histogram-svg.js b/test/src/template/histogram-svg.js
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+++ b/test/src/template/histogram-svg.js
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+/* eslint-env mocha */
+'use strict';
+
+const assert = require('assert');
+const template = require('../../../src/template/histogram-svg');
+
+describe('Histogram SVG Template', function () {
+  let items, options;
+  beforeEach(function () {
+    items = [];
+    options = {};
+  });
+  it('covers defaults', function () {
+    const result = template(items, options);
+    assert(result);
+  });
+  it('covers options', function () {
+    items = [0, 1, 2];
+    options = {
+      labelX: 'Days Ago',
+      labelZero: 'Today',
+      tickEvery: 2,
+      frameColor: undefined,
+      labelHeight: 0,
+    };
+    const result = template(items, options);
+    assert(result);
+  });
+});
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