1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
require "cases/helper"
require "support/schema_dumping_helper"
class PostgresqlByteaTest < ActiveRecord::PostgreSQLTestCase
include SchemaDumpingHelper
class ByteaDataType < ActiveRecord::Base
self.table_name = "bytea_data_type"
end
def setup
@connection = ActiveRecord::Base.connection
begin
@connection.transaction do
@connection.create_table("bytea_data_type") do |t|
t.binary "payload"
t.binary "serialized"
end
end
end
@column = ByteaDataType.columns_hash["payload"]
@type = ByteaDataType.type_for_attribute("payload")
end
teardown do
@connection.drop_table "bytea_data_type", if_exists: true
end
def test_column
assert @column.is_a?(ActiveRecord::ConnectionAdapters::PostgreSQLColumn)
assert_equal :binary, @column.type
end
def test_binary_columns_are_limitless_the_upper_limit_is_one_GB
assert_equal "bytea", @connection.type_to_sql(:binary, limit: 100_000)
assert_raise ActiveRecord::ActiveRecordError do
@connection.type_to_sql(:binary, limit: 4294967295)
end
end
def test_type_cast_binary_converts_the_encoding
assert @column
data = "\u001F\x8B"
assert_equal("UTF-8", data.encoding.name)
assert_equal("ASCII-8BIT", @type.deserialize(data).encoding.name)
end
def test_type_cast_binary_value
data = "\u001F\x8B".force_encoding("BINARY")
assert_equal(data, @type.deserialize(data))
end
def test_type_case_nil
assert_nil(@type.deserialize(nil))
end
def test_read_value
data = "\u001F"
@connection.execute "insert into bytea_data_type (payload) VALUES ('#{data}')"
record = ByteaDataType.first
assert_equal(data, record.payload)
record.delete
end
def test_read_nil_value
@connection.execute "insert into bytea_data_type (payload) VALUES (null)"
record = ByteaDataType.first
assert_nil(record.payload)
record.delete
end
def test_write_value
data = "\u001F"
record = ByteaDataType.create(payload: data)
assert_not record.new_record?
assert_equal(data, record.payload)
end
def test_via_to_sql
data = "'\u001F\\"
ByteaDataType.create(payload: data)
sql = ByteaDataType.where(payload: data).select(:payload).to_sql
result = @connection.query(sql)
assert_equal([[data]], result)
end
def test_via_to_sql_with_complicating_connection
Thread.new do
other_conn = ActiveRecord::Base.connection
other_conn.execute("SET standard_conforming_strings = off")
other_conn.execute("SET escape_string_warning = off")
end.join
test_via_to_sql
end
def test_write_binary
data = File.read(File.join(File.dirname(__FILE__), "..", "..", "..", "assets", "example.log"))
assert(data.size > 1)
record = ByteaDataType.create(payload: data)
assert_not record.new_record?
assert_equal(data, record.payload)
assert_equal(data, ByteaDataType.where(id: record.id).first.payload)
end
def test_write_nil
record = ByteaDataType.create(payload: nil)
assert_not record.new_record?
assert_nil(record.payload)
assert_nil(ByteaDataType.where(id: record.id).first.payload)
end
class Serializer
def load(str); str; end
def dump(str); str; end
end
def test_serialize
klass = Class.new(ByteaDataType) {
serialize :serialized, Serializer.new
}
obj = klass.new
obj.serialized = "hello world"
obj.save!
obj.reload
assert_equal "hello world", obj.serialized
end
def test_schema_dumping
output = dump_table_schema("bytea_data_type")
assert_match %r{t\.binary\s+"payload"$}, output
assert_match %r{t\.binary\s+"serialized"$}, output
end
end
|
