Explain reset token expiration in emails

Tell new users when their password reset token expires and provide a
link to get a new one.

1 files changed, 46 insertions, 0 deletions

diff --git a/spec/helpers/emails_helper_spec.rb b/spec/helpers/emails_helper_spec.rb
new file mode 100644
index 00000000000..7a3e38d7e63
--- /dev/null
+++ b/spec/helpers/emails_helper_spec.rb
@@ -0,0 +1,46 @@
+require 'spec_helper'
+
+describe EmailsHelper do
+  describe 'password_reset_token_valid_time' do
+    def validate_time_string(time_limit, expected_string)
+      Devise.reset_password_within = time_limit
+      expect(password_reset_token_valid_time).to eq(expected_string)
+    end
+
+    context 'when time limit is less than 2 hours' do
+      it 'should display the time in hours using a singular unit' do
+        validate_time_string(1.hour, '1 hour')
+      end
+    end
+
+    context 'when time limit is 2 or more hours' do
+      it 'should display the time in hours using a plural unit' do
+        validate_time_string(2.hours, '2 hours')
+      end
+    end
+
+    context 'when time limit contains fractions of an hour' do
+      it 'should round down to the nearest hour' do
+        validate_time_string(96.minutes, '1 hour')
+      end
+    end
+
+    context 'when time limit is 24 or more hours' do
+      it 'should display the time in days using a singular unit' do
+        validate_time_string(24.hours, '1 day')
+      end
+    end
+
+    context 'when time limit is 2 or more days' do
+      it 'should display the time in days using a plural unit' do
+        validate_time_string(2.days, '2 days')
+      end
+    end
+
+    context 'when time limit contains fractions of a day' do
+      it 'should round down to the nearest day' do
+        validate_time_string(57.hours, '2 days')
+      end
+    end
+  end
+end