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
|
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'spec_helper'
class TinyTemplateClass; include Chef::Mixin::Template; end
require 'cgi'
describe Chef::Mixin::Template, "render_template" do
before :each do
@template = TinyTemplateClass.new
end
it "should render the template evaluated in the given context" do
@template.render_template("<%= @foo %>", { :foo => "bar" }) do |tmp|
tmp.open.read.should == "bar"
end
end
it "should provide a node method to access @node" do
@template.render_template("<%= node %>",{:node => "tehShizzle"}) do |tmp|
tmp.open.read.should == "tehShizzle"
end
end
it "should yield the tempfile it renders the template to" do
@template.render_template("abcdef", {}) do |tempfile|
tempfile.should be_kind_of(Tempfile)
end
end
describe "when an exception is raised in the template" do
def do_raise
@context = {:chef => "cool"}
@template.render_template("foo\nbar\nbaz\n<%= this_is_not_defined %>\nquin\nqunx\ndunno", @context) {|r| r}
end
it "should catch and re-raise the exception as a TemplateError" do
lambda { do_raise }.should raise_error(Chef::Mixin::Template::TemplateError)
end
it "should raise an error if an attempt is made to access node but it is nil" do
lambda {@template.render_template("<%= node %>",{}) {|r| r}}.should raise_error(Chef::Mixin::Template::TemplateError)
end
describe "the raised TemplateError" do
before :each do
begin
do_raise
rescue Chef::Mixin::Template::TemplateError => e
@exception = e
end
end
it "should have the original exception" do
@exception.original_exception.should be
@exception.original_exception.message.should =~ /undefined local variable or method `this_is_not_defined'/
end
it "should determine the line number of the exception" do
@exception.line_number.should == 4
end
it "should provide a source listing of the template around the exception" do
@exception.source_listing.should == " 2: bar\n 3: baz\n 4: <%= this_is_not_defined %>\n 5: quin\n 6: qunx"
end
it "should provide the evaluation context of the template" do
@exception.context.should == @context
end
it "should defer the message to the original exception" do
@exception.message.should =~ /undefined local variable or method `this_is_not_defined'/
end
it "should provide a nice source location" do
@exception.source_location.should == "on line #4"
end
it "should create a pretty output for the terminal" do
@exception.to_s.should =~ /Chef::Mixin::Template::TemplateError/
@exception.to_s.should =~ /undefined local variable or method `this_is_not_defined'/
@exception.to_s.should include(" 2: bar\n 3: baz\n 4: <%= this_is_not_defined %>\n 5: quin\n 6: qunx")
@exception.to_s.should include(@exception.original_exception.backtrace.first)
end
end
end
end
|
