ui: fix tests broken by d3-format upgrade

ui/app/utils/units.js

@@ -66,3 +66,9 @@ export function formatScheduledHertz(hertz, startingUnitSize) {
   const [number, unit] = reduceHertz(hertz, 'MHz', startingUnitSize);
   return `${roundFormatter.format(number)} ${unit}`;
 }
+
+// Replaces the minus sign (−) with a hyphen (-).
+// https://github.com/d3/d3-format/releases/tag/v2.0.0
+export function replaceMinus(input) {
+  return input.replace('−', '-');
+}

ui/tests/acceptance/optimize-test.js

@@ -5,7 +5,7 @@ import { setupMirage } from 'ember-cli-mirage/test-support';
 import a11yAudit from 'nomad-ui/tests/helpers/a11y-audit';
 import Response from 'ember-cli-mirage/response';
 import moment from 'moment';
-import { formatBytes, formatHertz } from 'nomad-ui/utils/units';
+import { formatBytes, formatHertz, replaceMinus } from 'nomad-ui/utils/units';
 
 import Optimize from 'nomad-ui/tests/pages/optimize';
 import Layout from 'nomad-ui/tests/pages/layout';
@@ -153,23 +153,23 @@ module('Acceptance | optimize', function(hooks) {
       const memDiffPercent = Math.round((100 * memDiff) / currMem);
 
       assert.equal(
-        summary.cpu,
+        replaceMinus(summary.cpu),
         cpuDiff ? `${cpuSign}${formatHertz(cpuDiff, 'MHz')} ${cpuSign}${cpuDiffPercent}%` : ''
       );
       assert.equal(
-        summary.memory,
+        replaceMinus(summary.memory),
         memDiff ? `${memSign}${formattedMemDiff(memDiff)} ${memSign}${memDiffPercent}%` : ''
       );
 
       assert.equal(
-        summary.aggregateCpu,
+        replaceMinus(summary.aggregateCpu),
         cpuDiff
           ? `${cpuSign}${formatHertz(cpuDiff * currentTaskGroupAllocations.length, 'MHz')}`
           : ''
       );
 
       assert.equal(
-        summary.aggregateMemory,
+        replaceMinus(summary.aggregateMemory),
         memDiff ? `${memSign}${formattedMemDiff(memDiff * currentTaskGroupAllocations.length)}` : ''
       );
     });

ui/tests/integration/components/das/recommendation-card-test.js

@@ -113,10 +113,10 @@ module('Integration | Component | das/recommendation-card', function(hooks) {
       assert.ok(RecommendedMemory.isIncrease);
     });
 
-    assert.equal(RecommendationCard.totalsTable.unitDiff.cpu, '-75 MHz');
+    assert.equal(RecommendationCard.totalsTable.unitDiff.cpu, '−75 MHz');
     assert.equal(RecommendationCard.totalsTable.unitDiff.memory, '+128 MiB');
 
-    assert.equal(RecommendationCard.totalsTable.percentDiff.cpu, '-27%');
+    assert.equal(RecommendationCard.totalsTable.percentDiff.cpu, '−27%');
     assert.equal(RecommendationCard.totalsTable.percentDiff.memory, '+33%');
 
     assert.equal(RecommendationCard.copyButton.text, 'job-name / group-name');

ui/tests/integration/components/das/recommendation-chart-test.js

@@ -47,7 +47,7 @@ module('Integration | Component | das/recommendation-chart', function(hooks) {
     assert.dom('.recommendation-chart.decrease').exists();
     assert.dom('.recommendation-chart .resource').hasText('Mem');
     assert.dom('.recommendation-chart .icon-is-arrow-down').exists();
-    assert.dom('text.percent').hasText('-32%');
+    assert.dom('text.percent').hasText('−32%');
     await componentA11yAudit(this.element, assert);
   });