summaryrefslogtreecommitdiffstats
path: root/spec/unit/parser/ast/node.rb
blob: 5a4a5efe4a1c2d65ccd5eb4363736481ad43551d (plain)
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
136
137
138
139
140
141
142
143
144
145
#!/usr/bin/env ruby

require File.dirname(__FILE__) + '/../../../spec_helper'

describe Puppet::Parser::AST::Node do
    before :each do
        @node = Puppet::Node.new "testnode"
        @parser = Puppet::Parser::Parser.new :environment => "development"
        @scope_resource = stub 'scope_resource', :builtin? => true
        @compiler = Puppet::Parser::Compiler.new(@node, @parser)

        @scope = @compiler.topscope
    end

    describe "when calling get_classname" do
        it "should return current node name if name is a Regex" do
            name = stub 'name', :regex? => true
            node = @parser.newnode("node").shift
            node.stubs(:name).returns(name)

            @scope.expects(:host).returns("testnode")

            node.get_classname(@scope).should == "testnode"
        end

        it "should return the current node classname if name is not a Regex" do
            name = stub 'name', :regex? => false
            node = @parser.newnode("node").shift
            node.stubs(:name).returns(name)

            node.get_classname(@scope).should == "node"
        end
    end

    describe Puppet::Parser::AST::Node, "when evaluating" do

        before do
            @top = @parser.newnode("top").shift
            @middle = @parser.newnode("middle", :parent => "top").shift
        end

        it "should create a resource that references itself" do
            @top.evaluate(@scope)

            @compiler.catalog.resource(:node, "top").should be_an_instance_of(Puppet::Parser::Resource)
        end

        it "should evaluate the parent class if one exists" do
            @middle.evaluate(@scope)

            @compiler.catalog.resource(:node, "top").should be_an_instance_of(Puppet::Parser::Resource)
        end

        it "should fail to evaluate if a parent class is defined but cannot be found" do
            othertop = @parser.newnode("something", :parent => "yay").shift
            lambda { othertop.evaluate(@scope) }.should raise_error(Puppet::ParseError)
        end

        it "should not create a new resource if one already exists" do
            @compiler.catalog.expects(:resource).with(:node, "top").returns("something")
            @compiler.catalog.expects(:add_resource).never
            @top.evaluate(@scope)
        end

        it "should not create a new parent resource if one already exists and it has a parent class" do
            @top.evaluate(@scope)

            top_resource = @compiler.catalog.resource(:node, "top")

            @middle.evaluate(@scope)

            @compiler.catalog.resource(:node, "top").should equal(top_resource)
        end

        # #795 - tag before evaluation.
        it "should tag the catalog with the resource tags when it is evaluated" do
            @middle.evaluate(@scope)

            @compiler.catalog.should be_tagged("middle")
        end

        it "should tag the catalog with the parent class tags when it is evaluated" do
            @middle.evaluate(@scope)

            @compiler.catalog.should be_tagged("top")
        end
    end

    describe Puppet::Parser::AST::Node, "when evaluating code" do

        before do
            @top_resource = stub "top_resource"
            @top = @parser.newnode("top", :code => @top_resource).shift

            @middle_resource = stub "middle_resource"
            @middle = @parser.newnode("middle", :parent => "top", :code => @middle_resource).shift
        end

        it "should evaluate the code referred to by the class" do
            @top_resource.expects(:safeevaluate)

            resource = @top.evaluate(@scope)

            @top.evaluate_code(resource)
        end

        it "should evaluate the parent class's code if it has a parent" do
            @top_resource.expects(:safeevaluate)
            @middle_resource.expects(:safeevaluate)

            resource = @middle.evaluate(@scope)

            @middle.evaluate_code(resource)
        end

        it "should not evaluate the parent class's code if the parent has already been evaluated" do
            @top_resource.stubs(:safeevaluate)
            resource = @top.evaluate(@scope)
            @top.evaluate_code(resource)

            @top_resource.expects(:safeevaluate).never
            @middle_resource.stubs(:safeevaluate)
            resource = @middle.evaluate(@scope)
            @middle.evaluate_code(resource)
        end

        it "should use the parent class's scope as its parent scope" do
            @top_resource.stubs(:safeevaluate)
            @middle_resource.stubs(:safeevaluate)
            resource = @middle.evaluate(@scope)
            @middle.evaluate_code(resource)

            @compiler.class_scope(@middle).parent.should equal(@compiler.class_scope(@top))
        end

        it "should add the parent class's namespace to its namespace search path" do
            @top_resource.stubs(:safeevaluate)
            @middle_resource.stubs(:safeevaluate)
            resource = @middle.evaluate(@scope)
            @middle.evaluate_code(resource)

            @compiler.class_scope(@middle).namespaces.should be_include(@top.namespace)
        end
    end
end