Merge pull request #10063 from SamSaffron/master

Per #9999 revert blank? to empty?

activerecord/lib/active_record/connection_adapters/column.rb

@@ -161,7 +161,7 @@ def binary_to_string(value)
 
         def value_to_date(value)
           if value.is_a?(String)
-            return nil if value.blank?
+            return nil if value.empty?
             fast_string_to_date(value) || fallback_string_to_date(value)
           elsif value.respond_to?(:to_date)
             value.to_date
@@ -172,14 +172,14 @@ def value_to_date(value)
 
         def string_to_time(string)
           return string unless string.is_a?(String)
-          return nil if string.blank?
+          return nil if string.empty?
 
           fast_string_to_time(string) || fallback_string_to_time(string)
         end
 
         def string_to_dummy_time(string)
           return string unless string.is_a?(String)
-          return nil if string.blank?
+          return nil if string.empty?
 
           dummy_time_string = "2000-01-01 #{string}"
 
@@ -192,7 +192,7 @@ def string_to_dummy_time(string)
 
         # convert something to a boolean
         def value_to_boolean(value)
-          if value.is_a?(String) && value.blank?
+          if value.is_a?(String) && value.empty?
             nil
           else
             TRUE_VALUES.include?(value)

activerecord/test/cases/column_test.rb

@@ -6,6 +6,9 @@ module ConnectionAdapters
     class ColumnTest < ActiveRecord::TestCase
       def test_type_cast_boolean
         column = Column.new("field", nil, "boolean")
+        assert column.type_cast('').nil?
+        assert column.type_cast(nil).nil?
+
         assert column.type_cast(true)
         assert column.type_cast(1)
         assert column.type_cast('1')
@@ -15,15 +18,21 @@ def test_type_cast_boolean
         assert column.type_cast('TRUE')
         assert column.type_cast('on')
         assert column.type_cast('ON')
-        assert !column.type_cast(false)
-        assert !column.type_cast(0)
-        assert !column.type_cast('0')
-        assert !column.type_cast('f')
-        assert !column.type_cast('F')
-        assert !column.type_cast('false')
-        assert !column.type_cast('FALSE')
-        assert !column.type_cast('off')
-        assert !column.type_cast('OFF')
+
+        # explicitly check for false vs nil
+        assert_equal false, column.type_cast(false)
+        assert_equal false, column.type_cast(0)
+        assert_equal false, column.type_cast('0')
+        assert_equal false, column.type_cast('f')
+        assert_equal false, column.type_cast('F')
+        assert_equal false, column.type_cast('false')
+        assert_equal false, column.type_cast('FALSE')
+        assert_equal false, column.type_cast('off')
+        assert_equal false, column.type_cast('OFF')
+        assert_equal false, column.type_cast(' ')
+        assert_equal false, column.type_cast("\u3000\r\n")
+        assert_equal false, column.type_cast("\u0000")
+        assert_equal false, column.type_cast('SOMETHING RANDOM')
       end
 
       def test_type_cast_integer
@@ -65,8 +74,9 @@ def test_type_cast_nan_and_infinity_to_integer
 
       def test_type_cast_time
         column = Column.new("field", nil, "time")
+        assert_equal nil, column.type_cast(nil)
         assert_equal nil, column.type_cast('')
-        assert_equal nil, column.type_cast('  ')
+        assert_equal nil, column.type_cast('ABC')
 
         time_string = Time.now.utc.strftime("%T")
         assert_equal time_string, column.type_cast(time_string).strftime("%T")
@@ -74,8 +84,10 @@ def test_type_cast_time
 
       def test_type_cast_datetime_and_timestamp
         [Column.new("field", nil, "datetime"), Column.new("field", nil, "timestamp")].each do |column|
+          assert_equal nil, column.type_cast(nil)
           assert_equal nil, column.type_cast('')
           assert_equal nil, column.type_cast('  ')
+          assert_equal nil, column.type_cast('ABC')
 
           datetime_string = Time.now.utc.strftime("%FT%T")
           assert_equal datetime_string, column.type_cast(datetime_string).strftime("%FT%T")
@@ -84,8 +96,10 @@ def test_type_cast_datetime_and_timestamp
 
       def test_type_cast_date
         column = Column.new("field", nil, "date")
+        assert_equal nil, column.type_cast(nil)
         assert_equal nil, column.type_cast('')
-        assert_equal nil, column.type_cast('  ')
+        assert_equal nil, column.type_cast(' ')
+        assert_equal nil, column.type_cast('ABC')
 
         date_string = Time.now.utc.strftime("%F")
         assert_equal date_string, column.type_cast(date_string).strftime("%F")