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gaia/apps/costcontrol/test/unit/balance_view_test.js

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+/* global BalanceView */
+
+'use strict';
+
+requireApp('costcontrol/test/unit/mock_date.js');
+requireApp('costcontrol/test/unit/mock_common.js');
+requireApp('costcontrol/test/unit/mock_moz_l10n.js');
+requireApp('costcontrol/js/utils/toolkit.js');
+requireApp('costcontrol/js/utils/formatting.js');
+requireApp('costcontrol/js/views/BalanceView.js');
+
+var realDate,realCommon,
+    realMozL10n;
+
+if (!window.navigator.mozL10n) {
+  window.navigator.mozL10n = null;
+}
+
+suite(
+  'Balance view (remaining balance and time since last update) >',
+  function() {
+
+    var MINUTE = 60 * 1000,
+        HOUR = 60 * MINUTE,
+        DAY = 24 * HOUR,
+        MINIMUM_DELAY = 3 * HOUR;
+
+    var now;
+    var balanceLabel, timestampLabel, balanceView, balanceResult;
+
+    suiteSetup(function() {
+      realMozL10n = window.navigator.mozL10n;
+      window.navigator.mozL10n = window.MockMozL10n;
+
+      realCommon = window.Common;
+      window.Common = new window.MockCommon();
+
+      realDate = window.Date;
+      now = new window.MockDateFactory.realDate(2013, 0, 3, 18);
+      window.Date = new window.MockDateFactory(now);
+    });
+
+    suiteTeardown(function() {
+      window.navigator.mozL10n = realMozL10n;
+      window.Date = realDate;
+      window.Common = realCommon;
+    });
+
+    setup(function() {
+      balanceResult = {
+        balance: 60,
+        currency: '$'
+      };
+      balanceLabel = document.createElement('p');
+      timestampLabel = document.createElement('p');
+      balanceView = new BalanceView(
+        balanceLabel, timestampLabel, MINIMUM_DELAY);
+    });
+
+    function setBalanceAgeUpTo(age) {
+      age = Math.floor(age);
+      balanceResult.timestamp = new Date(now.getTime() - age + MINUTE);
+    }
+
+    function removeMinimumDelay() {
+      balanceView = new BalanceView(balanceLabel, timestampLabel, 0);
+    }
+
+    function assertTimeElement() {
+      var timeElement = timestampLabel.children[0];
+      assert.equal(timeElement.tagName, 'TIME');
+      assert.equal(timeElement.childElementCount, 0);
+    }
+
+    function assertTimestampHighlight(colorClass) {
+      var timeElement = timestampLabel.children[0];
+      assert.equal(timeElement.classList.length, 1);
+      assert.isTrue(timeElement.classList.contains(colorClass));
+    }
+
+    test(
+      'Updating mode',
+      function() {
+        var isUpdating = true;
+        balanceResult.timestamp = now;
+        balanceView.update(balanceResult, isUpdating);
+        assert.equal(timestampLabel.getAttribute('data-l10n-id'),
+          'updating-ellipsis');
+      }
+    );
+
+    test(
+      'Balance not available',
+      function() {
+        balanceView.update(undefined);
+        assert.equal(balanceLabel.getAttribute('data-l10n-id'),
+          'not-available');
+        assert.equal(timestampLabel.innerHTML, '');
+      }
+    );
+
+    test('MINIMUM_DELAY disabled', function() {
+      removeMinimumDelay();
+
+      setBalanceAgeUpTo(MINIMUM_DELAY / 3);
+      balanceView.update(balanceResult);
+      assertTimeElement();
+      assertTimestampHighlight('first-third');
+
+      setBalanceAgeUpTo(2 * MINIMUM_DELAY / 3);
+      balanceView.update(balanceResult);
+      assertTimeElement();
+      assertTimestampHighlight('first-third');
+
+      setBalanceAgeUpTo(MINIMUM_DELAY);
+      balanceView.update(balanceResult);
+      assertTimeElement();
+      assertTimestampHighlight('first-third');
+    });
+
+    test('Balance age in the first third of MINIMUM_DELAY', function() {
+      setBalanceAgeUpTo(MINIMUM_DELAY / 3);
+
+      balanceView.update(balanceResult);
+
+      assertTimeElement();
+      assertTimestampHighlight('first-third');
+    });
+
+    test('Balance age in the second third of MINIMUM_DELAY', function() {
+      setBalanceAgeUpTo(2 * MINIMUM_DELAY / 3);
+
+      balanceView.update(balanceResult);
+
+      assertTimeElement();
+      assertTimestampHighlight('second-third');
+    });
+
+    test('Balance age in the third third of MINIMUM_DELAY', function() {
+      setBalanceAgeUpTo(MINIMUM_DELAY);
+
+      balanceView.update(balanceResult);
+
+      assertTimeElement();
+      assertTimestampHighlight('third-third');
+    });
+
+    test('Balance age is yesterday', function() {
+      setBalanceAgeUpTo(DAY);
+
+      balanceView.update(balanceResult);
+
+      assertTimeElement();
+      assertTimestampHighlight('yesterday');
+    });
+
+    test('Balance age is before yesterday', function() {
+      setBalanceAgeUpTo(2 * DAY);
+
+      balanceView.update(balanceResult);
+
+      assertTimeElement();
+      assertTimestampHighlight('before');
+    });
+  }
+);