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99 lines
2.7 KiB
Ruby
99 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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require "utils/topological_hash"
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describe Utils::TopologicalHash do
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describe "#tsort" do
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it "returns a topologically sorted array" do
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hash = described_class.new
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hash[1] = [2, 3]
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hash[2] = [3]
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hash[3] = []
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hash[4] = []
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expect(hash.tsort).to eq [3, 2, 1, 4]
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end
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end
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describe "#strongly_connected_components" do
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it "returns an array of arrays" do
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hash = described_class.new
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hash[1] = [2]
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hash[2] = [3, 4]
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hash[3] = [2]
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hash[4] = []
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expect(hash.strongly_connected_components).to eq [[4], [2, 3], [1]]
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end
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end
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describe "::graph_package_dependencies" do
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it "returns a topological hash" do
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formula1 = formula "homebrew-test-formula1" do
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url "foo"
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version "0.5"
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end
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formula2 = formula "homebrew-test-formula2" do
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url "foo"
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version "0.5"
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depends_on "homebrew-test-formula1"
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end
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formula3 = formula "homebrew-test-formula3" do
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url "foo"
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version "0.5"
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depends_on "homebrew-test-formula4"
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end
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formula4 = formula "homebrew-test-formula4" do
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url "foo"
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version "0.5"
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depends_on "homebrew-test-formula3"
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end
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cask1 = Cask::Cask.new("homebrew-test-cask1") do
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url "foo"
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version "1.2.3"
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end
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cask2 = Cask::Cask.new("homebrew-test-cask2") do
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url "foo"
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version "1.2.3"
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depends_on cask: "homebrew-test-cask1"
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depends_on formula: "homebrew-test-formula1"
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end
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cask3 = Cask::Cask.new("homebrew-test-cask3") do
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url "foo"
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version "1.2.3"
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depends_on cask: "homebrew-test-cask2"
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end
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stub_formula_loader formula1
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stub_formula_loader formula2
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stub_formula_loader formula3
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stub_formula_loader formula4
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stub_cask_loader cask1
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stub_cask_loader cask2
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stub_cask_loader cask3
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packages = [formula1, formula2, formula3, formula4, cask1, cask2, cask3]
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expect(described_class.graph_package_dependencies(packages)).to eq({
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formula1 => [],
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formula2 => [formula1],
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formula3 => [formula4],
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formula4 => [formula3],
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cask1 => [],
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cask2 => [formula1, cask1],
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cask3 => [cask2],
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})
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sorted = [formula1, cask1, cask2, cask3, formula2]
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expect(described_class.graph_package_dependencies([cask3, cask2, cask1, formula2, formula1]).tsort).to eq sorted
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expect(described_class.graph_package_dependencies([cask3, formula2]).tsort).to eq sorted
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expect { described_class.graph_package_dependencies([formula3, formula4]).tsort }.to raise_error TSort::Cyclic
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end
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end
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end
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