cypress 10 migration (#777)

* cypress 10 migration

* fix lint

cypress/e2e/unit/units.cy.js

@@ -0,0 +1,91 @@
+import * as units from '../../../instrumented/common/units.js'
+
+describe('units', function () {
+  /**
+   * Set up tests, supplying mock data.
+   * @returns {void}
+   */
+  beforeEach(() => {
+    document.body.textContent = ''
+    const anchor = document.createElement('div')
+    anchor.id = 'anchor'
+    anchor.style.visibility = 'hidden'
+
+    const elementsContainer = document.createElement('div')
+    elementsContainer.id = 'elementsContainer'
+
+    const uniqueId = document.createElement('div')
+    uniqueId.id = 'uniqueId'
+    uniqueId.style.visibility = 'hidden'
+
+    const nonUniqueId = document.createElement('div')
+    nonUniqueId.id = 'nonUniqueId'
+    nonUniqueId.style.visibility = 'hidden'
+
+    elementsContainer.append(uniqueId, nonUniqueId)
+
+    document.body.append(anchor, elementsContainer)
+
+    units.init(
+      /**
+      * @implements {module:units.ElementContainer}
+      */
+      {
+        getBaseUnit () { return 'cm' },
+        getHeight () { return 600 },
+        getWidth () { return 800 },
+        getRoundDigits () { return 4 },
+        getElement (elementId) { return document.getElementById(elementId) }
+      }
+    )
+  })
+
+  it('Test svgedit.units package', function () {
+    assert.ok(units)
+    assert.equal(typeof units, typeof {})
+  })
+
+  it('Test svgedit.units.shortFloat()', function () {
+    assert.ok(units.shortFloat)
+    assert.equal(typeof units.shortFloat, typeof function () { /* empty fn */ })
+
+    const { shortFloat } = units
+    assert.equal(shortFloat(0.00000001), 0)
+    assert.equal(shortFloat(1), 1)
+    assert.equal(shortFloat(3.45678), 3.4568)
+    assert.equal(shortFloat(1.23443), 1.2344)
+    assert.equal(shortFloat(1.23455), 1.2346)
+  })
+
+  it('Test svgedit.units.isValidUnit()', function () {
+    assert.ok(units.isValidUnit)
+    assert.equal(typeof units.isValidUnit, typeof function () { /* empty fn */ })
+
+    const { isValidUnit } = units
+    assert.ok(isValidUnit('0'))
+    assert.ok(isValidUnit('1'))
+    assert.ok(isValidUnit('1.1'))
+    assert.ok(isValidUnit('-1.1'))
+    assert.ok(isValidUnit('.6mm'))
+    assert.ok(isValidUnit('-.6cm'))
+    assert.ok(isValidUnit('6000in'))
+    assert.ok(isValidUnit('6px'))
+    assert.ok(isValidUnit('6.3pc'))
+    assert.ok(isValidUnit('-0.4em'))
+    assert.ok(isValidUnit('-0.ex'))
+    assert.ok(isValidUnit('40.123%'))
+
+    assert.equal(isValidUnit('id', 'uniqueId', document.getElementById('uniqueId')), true)
+    assert.equal(isValidUnit('id', 'newId', document.getElementById('uniqueId')), true)
+    assert.equal(isValidUnit('id', 'uniqueId'), false)
+    assert.equal(isValidUnit('id', 'uniqueId', document.getElementById('nonUniqueId')), false)
+  })
+
+  it('Test svgedit.units.convertUnit()', function () {
+    assert.ok(units.convertUnit)
+    assert.equal(typeof units.convertUnit, typeof function () { /* empty fn */ })
+    // cm in default setup
+    assert.equal(units.convertUnit(42), 1.1113)
+    assert.equal(units.convertUnit(42, 'px'), 42)
+  })
+})