blob: a9cabf5a7b8877af6b2aef06f6fb13492c5b42c8 (
plain) (
blame)
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
|
require 'erb'
require 'yaml'
module ActiveRecord
class Fixtures
class File
include Enumerable
##
# Open a fixture file named +file+. When called with a block, the block
# is called with the filehandle and the filehandle is automatically closed
# when the block finishes.
def self.open(file)
x = new file
block_given? ? yield(x) : x
end
def initialize(file)
@file = file
@rows = nil
end
def each(&block)
rows.each(&block)
end
RESCUE_ERRORS = [ ArgumentError, Psych::SyntaxError ] # :nodoc:
private
def rows
return @rows if @rows
begin
data = YAML.load(render(IO.read(@file)))
rescue *RESCUE_ERRORS => error
raise Fixture::FormatError, "a YAML error occurred parsing #{@file}. Please note that YAML must be consistently indented using spaces. Tabs are not allowed. Please have a look at http://www.yaml.org/faq.html\nThe exact error was:\n #{error.class}: #{error}", error.backtrace
end
@rows = data ? validate(data).to_a : []
end
def render(content)
ERB.new(content).result
end
# Validate our unmarshalled data.
def validate(data)
unless Hash === data || YAML::Omap === data
raise Fixture::FormatError, 'fixture is not a hash'
end
raise Fixture::FormatError unless data.all? { |name, row| Hash === row }
data
end
end
end
end
|
