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Contents
require 'spec_helper'
describe HashDiff do
it "should be able to best diff" do
a = {'x' => [{'a' => 1, 'c' => 3, 'e' => 5}, {'y' => 3}]}
b = {'x' => [{'a' => 1, 'b' => 2, 'e' => 5}] }
diff = HashDiff.best_diff(a, b)
diff.should == [["-", "x[0].c", 3], ["+", "x[0].b", 2], ["-", "x[1]", {"y"=>3}]]
end
it "should use custom delimiter when provided" do
a = {'x' => [{'a' => 1, 'c' => 3, 'e' => 5}, {'y' => 3}]}
b = {'x' => [{'a' => 1, 'b' => 2, 'e' => 5}] }
diff = HashDiff.best_diff(a, b, :delimiter => "\t")
diff.should == [["-", "x[0]\tc", 3], ["+", "x[0]\tb", 2], ["-", "x[1]", {"y"=>3}]]
end
it "should use custom comparison when provided" do
a = {'x' => [{'a' => 'foo', 'c' => 'goat', 'e' => 'snake'}, {'y' => 'baz'}]}
b = {'x' => [{'a' => 'bar', 'b' => 'cow', 'e' => 'puppy'}] }
diff = HashDiff.best_diff(a, b) do |path, obj1, obj2|
case path
when /^x\[.\]\..$/
obj1.length == obj2.length if obj1 and obj2
end
end
diff.should == [["-", "x[0].c", 'goat'], ["+", "x[0].b", 'cow'], ["-", "x[1]", {"y"=>'baz'}]]
end
it "should be able to best diff array in hash" do
a = {"menu" => {
"id" => "file",
"value" => "File",
"popup" => {
"menuitem" => [
{"value" => "New", "onclick" => "CreateNewDoc()"},
{"value" => "Close", "onclick" => "CloseDoc()"}
]
}
}}
b = {"menu" => {
"id" => "file 2",
"value" => "File",
"popup" => {
"menuitem" => [
{"value" => "New1", "onclick" => "CreateNewDoc()"},
{"value" => "Open", "onclick" => "OpenDoc()"},
{"value" => "Close", "onclick" => "CloseDoc()"}
]
}
}}
diff = HashDiff.best_diff(a, b)
diff.should == [
['~', 'menu.id', 'file', 'file 2'],
['~', 'menu.popup.menuitem[0].value', 'New', 'New1'],
['+', 'menu.popup.menuitem[1]', {"value" => "Open", "onclick" => "OpenDoc()"}]
]
end
end
Version data entries
20 entries across 19 versions & 5 rubygems