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ast_property_spec.rb
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ast_property_spec.rb
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require "jsduck/ast"
require "jsduck/js_parser"
describe "JsDuck::Ast detects property with" do
def detect(string)
node = JsDuck::JsParser.new(string).parse[0]
return JsDuck::Ast.new.detect(node[:code])
end
describe "name in" do
it "var declaration" do
detect("/** */ var foo;")[:name].should == "foo"
end
it "var declaration with initialization" do
detect("/** */ foo = 5;")[:name].should == "foo"
end
it "assignment to var" do
detect("/** */ foo = 5;")[:name].should == "foo"
end
it "assignment to object property" do
detect("/** */ foo.bar.baz = 5;")[:name].should == "foo.bar.baz"
end
it "object property" do
detect(<<-EOS)[:name].should == "foo"
Foo = {
/** */
foo: 5
};
EOS
end
it "object with string key" do
detect(<<-EOS)[:name].should == "foo"
Foo = {
/** */
"foo": 5
};
EOS
end
it "lonely identifier" do
detect("/** */ foo;")[:name].should == "foo"
end
it "lonely string" do
detect("/** */ 'foo';")[:name].should == "foo"
end
it "string as function argument" do
detect(<<-EOS)[:name].should == "foo"
this.addEvents(
/** */
"foo"
);
EOS
end
end
describe "type in var initialized with" do
it "int" do
detect("/** */ var foo = 5;")[:type].should == "Number"
end
it "float" do
detect("/** */ var foo = 0.5;")[:type].should == "Number"
end
it "string" do
detect("/** */ var foo = 'haa';")[:type].should == "String"
end
it "true" do
detect("/** */ var foo = true;")[:type].should == "Boolean"
end
it "false" do
detect("/** */ var foo = false;")[:type].should == "Boolean"
end
it "regex" do
detect("/** */ var foo = /abc/g;")[:type].should == "RegExp"
end
it "array" do
detect("/** */ var foo = [];")[:type].should == "Array"
end
it "object" do
detect("/** */ var foo = {};")[:type].should == "Object"
end
end
describe "no type in" do
it "uninitialized var declaration" do
detect("/** */ var foo;")[:type].should == nil
end
end
describe "default value in" do
it "var initialization with string" do
detect("/** */ var foo = 'bar';")[:default].should == "'bar'"
end
it "assignment with number" do
detect("/** */ foo = 15;")[:default].should == "15"
end
it "assignment with number 0" do
detect("/** */ foo = 0;")[:default].should == "0"
end
it "assignment with boolean true" do
detect("/** */ foo = true;")[:default].should == "true"
end
it "assignment with boolean false" do
detect("/** */ foo = false;")[:default].should == "false"
end
it "assignment with regex" do
detect("/** */ foo = /abc/;")[:default].should == "/abc/"
end
it "assignment with object" do
detect("/** */ foo = {bar: 5};")[:default].should == "{bar: 5}"
end
it "object property with array" do
detect("X = { /** */ foo: [1, 2, 3] };")[:default].should == "[1, 2, 3]"
end
end
describe "no default value in" do
it "var without initialization" do
detect("/** */ var foo;")[:default].should == nil
end
it "assignment of function call" do
detect("/** */ foo = bar();")[:default].should == nil
end
it "object property with array containing function" do
detect("X = { /** */ foo: [1, 2, function(){}] };")[:default].should == nil
end
end
end