293 lines
8.4 KiB
Elixir
293 lines
8.4 KiB
Elixir
defmodule RDF.DiffTest do
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use RDF.Test.Case
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doctest RDF.Diff
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alias RDF.Diff
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test "new" do
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assert Diff.new() ==
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%Diff{additions: Graph.new(), deletions: Graph.new()}
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assert Diff.new(additions: [], deletions: []) ==
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%Diff{additions: Graph.new(), deletions: Graph.new()}
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assert Diff.new(additions: Graph.new(), deletions: Graph.new) ==
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%Diff{additions: Graph.new(), deletions: Graph.new()}
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description = Description.new({EX.S, EX.p, EX.O1})
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graph = Graph.new({EX.S, EX.p, EX.O2})
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assert Diff.new(additions: description, deletions: graph) ==
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%Diff{additions: Graph.new(description), deletions: graph}
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end
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describe "diff/2 " do
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test "with two descriptions that are equal it returns an empty diff" do
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assert Diff.diff(description(), description()) == Diff.new()
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description = description({EX.foo(), EX.Bar})
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assert Diff.diff(description, description) == Diff.new()
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end
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test "with two descriptions with different subjects" do
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description1 = Description.new({EX.S1, EX.p, EX.O})
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description2 = Description.new({EX.S2, EX.p, EX.O})
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assert Diff.diff(description1, description2) ==
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Diff.new(additions: Graph.new(description2),
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deletions: Graph.new(description1))
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end
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test "with two descriptions when the second description has additional statements" do
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description1 = Description.new({EX.S, EX.p, EX.O})
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description2 =
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description1
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|> EX.p(EX.O2)
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|> EX.p2(EX.O)
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assert Diff.diff(description1, description2) ==
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Diff.new(additions: Graph.new(
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EX.S
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|> EX.p(EX.O2)
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|> EX.p2(EX.O)
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),
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deletions: Graph.new())
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end
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test "with two descriptions when the first description has additional statements" do
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description1 = Description.new({EX.S, EX.p, EX.O})
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description2 =
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description1
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|> EX.p(EX.O2)
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|> EX.p2(EX.O)
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assert Diff.diff(description2, description1) ==
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Diff.new(additions: Graph.new,
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deletions: Graph.new(
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EX.S
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|> EX.p(EX.O2)
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|> EX.p2(EX.O)
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))
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end
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end
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test "with two descriptions with additions and deletions" do
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description1 =
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EX.S
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O)
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description2 =
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EX.S
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|> EX.p(EX.O1, EX.O3)
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|> EX.p3(EX.O)
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assert Diff.diff(description1, description2) ==
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Diff.new(
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additions: Graph.new(
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EX.S
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|> EX.p(EX.O3)
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|> EX.p3(EX.O)
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),
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deletions: Graph.new(
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EX.S
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|> EX.p(EX.O2)
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|> EX.p2(EX.O)
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))
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end
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test "with one description and a graph" do
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description =
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EX.S1
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O)
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graph = Graph.new([
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EX.S1
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|> EX.p(EX.O2, EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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])
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assert Diff.diff(description, graph) ==
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Diff.new(
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additions: Graph.new([
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EX.S1
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|> EX.p(EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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]),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O1)
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|> EX.p2(EX.O),
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]))
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assert Diff.diff(graph, description) ==
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Diff.new(
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additions: Graph.new([
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EX.S1
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|> EX.p(EX.O1)
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|> EX.p2(EX.O),
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]),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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])
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)
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disjoint_description =
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EX.S
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O)
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assert Diff.diff(disjoint_description, graph) ==
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Diff.new(
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additions: graph,
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deletions: Graph.new(disjoint_description))
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assert Diff.diff(graph, disjoint_description) ==
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Diff.new(
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additions: Graph.new(disjoint_description),
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deletions: graph)
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end
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test "with two graphs with additions and deletions" do
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graph1 = Graph.new([
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EX.S1
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O),
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EX.S2
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|> EX.p(EX.O)
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])
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graph2 = Graph.new([
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EX.S1
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|> EX.p(EX.O2, EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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])
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assert Diff.diff(graph1, graph2) ==
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Diff.new(
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additions: Graph.new([
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EX.S1
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|> EX.p(EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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]),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O1)
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|> EX.p2(EX.O),
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EX.S2
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|> EX.p(EX.O)
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]))
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end
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test "merge/2" do
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assert Diff.merge(
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Diff.new(additions: Graph.new({EX.S, EX.p, EX.O1}),
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deletions: Graph.new({EX.S1, EX.p, EX.O})),
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Diff.new(additions: Graph.new({EX.S, EX.p, EX.O2}),
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deletions: Graph.new({EX.S2, EX.p, EX.O}))
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) ==
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Diff.new(
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additions: Graph.new({EX.S, EX.p, [EX.O1, EX.O2]}),
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deletions: Graph.new([
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{EX.S1, EX.p, EX.O},
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{EX.S2, EX.p, EX.O}
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])
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)
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end
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test "empty?/1" do
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assert Diff.empty?(Diff.new()) == true
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assert Diff.empty?(Diff.new(additions: EX.p(EX.S, EX.O),
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deletions: EX.p(EX.S, EX.O))) == false
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assert Diff.empty?(Diff.new(additions: EX.p(EX.S, EX.O))) == false
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assert Diff.empty?(Diff.new(deletions: EX.p(EX.S, EX.O))) == false
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end
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describe "apply/2" do
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test "on a graph" do
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assert Diff.new(
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additions: Graph.new([
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EX.S1
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|> EX.p(EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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]),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O1)
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|> EX.p2(EX.O),
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EX.S2
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|> EX.p(EX.O)
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]))
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|> Diff.apply(Graph.new([
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EX.S1
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O),
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EX.S2
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|> EX.p(EX.O)
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])) ==
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Graph.new([
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EX.S1
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|> EX.p(EX.O2, EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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])
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end
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test "on a description" do
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assert Diff.new(
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additions: Graph.new([
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EX.S1
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|> EX.p(EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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]),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O1)
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|> EX.p2(EX.O),
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]))
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|> Diff.apply(
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EX.S1
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|> EX.p(EX.O1, EX.O2)
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|> EX.p2(EX.O)
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) ==
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Graph.new([
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EX.S1
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|> EX.p(EX.O2, EX.O3)
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|> EX.p3(EX.O),
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EX.S3
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|> EX.p(EX.O)
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])
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end
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test "when the statements to be deleted are not present" do
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assert Diff.new(
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additions: Graph.new(
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EX.S1
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|> EX.p(EX.O4)
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),
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deletions: Graph.new([
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EX.S1
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|> EX.p(EX.O2, EX.O3)
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|> EX.p2(EX.O),
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EX.S2
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|> EX.p(EX.O)
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]))
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|> Diff.apply(Graph.new(
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EX.S1
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|> EX.p(EX.O1, EX.O2)
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)) ==
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Graph.new(
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EX.S1
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|> EX.p(EX.O1, EX.O4)
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)
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end
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end
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end
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