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utils_spec.rb 7.0KB

    require 'rails_helper' describe Utils do describe "#unindent" do it "unindents to the level of the greatest consistant indention" do expect(Utils.unindent(<<-MD)).to eq("Hello World") Hello World MD expect(Utils.unindent(<<-MD)).to eq("Hello World\nThis is\nnot indented") Hello World This is not indented MD expect(Utils.unindent(<<-MD)).to eq("Hello World\n This is\n indented\nthough") Hello World This is indented though MD expect(Utils.unindent("Hello\n I am indented")).to eq("Hello\n I am indented") a = " Events will have the fields you specified. Your options look like:\n\n {\n \"url\": {\n \"css\": \"#comic img\",\n \"value\": \"@src\"\n },\n \"title\": {\n \"css\": \"#comic img\",\n \"value\": \"@title\"\n }\n }\"\n" expect(Utils.unindent(a)).to eq("Events will have the fields you specified. Your options look like:\n\n {\n \"url\": {\n\"css\": \"#comic img\",\n\"value\": \"@src\"\n },\n \"title\": {\n\"css\": \"#comic img\",\n\"value\": \"@title\"\n }\n }\"") end end describe "#interpolate_jsonpaths" do let(:payload) { { :there => { :world => "WORLD" }, :works => "should work" } } it "interpolates jsonpath expressions between matching <>'s" do expect(Utils.interpolate_jsonpaths("hello <$.there.world> this <escape works>", payload)).to eq("hello WORLD this should+work") end it "optionally supports treating values that start with '$' as raw JSONPath" do expect(Utils.interpolate_jsonpaths("$.there.world", payload)).to eq("$.there.world") expect(Utils.interpolate_jsonpaths("$.there.world", payload, :leading_dollarsign_is_jsonpath => true)).to eq("WORLD") end end describe "#recursively_interpolate_jsonpaths" do it "interpolates all string values in a structure" do struct = { :int => 5, :string => "this <escape $.works>", :array => ["<works>", "now", "<$.there.world>"], :deep => { :string => "hello <there.world>", :hello => :world } } data = { :there => { :world => "WORLD" }, :works => "should work" } expect(Utils.recursively_interpolate_jsonpaths(struct, data)).to eq({ :int => 5, :string => "this should+work", :array => ["should work", "now", "WORLD"], :deep => { :string => "hello WORLD", :hello => :world } }) end end describe "#value_at" do it "returns the value at a JSON path" do expect(Utils.value_at({ :foo => { :bar => :baz }}.to_json, "foo.bar")).to eq("baz") expect(Utils.value_at({ :foo => { :bar => { :bing => 2 } }}, "foo.bar.bing")).to eq(2) end it "returns nil when the path cannot be followed" do expect(Utils.value_at({ :foo => { :bar => :baz }}, "foo.bing")).to be_nil end it "does not eval" do expect { Utils.value_at({ :foo => 2 }, "foo[?(@ > 1)]") }.to raise_error(RuntimeError, /Cannot use .*? eval/) end end describe "#values_at" do it "returns arrays of matching values" do expect(Utils.values_at({ :foo => { :bar => :baz }}, "foo.bar")).to eq(%w[baz]) expect(Utils.values_at({ :foo => [ { :bar => :baz }, { :bar => :bing } ]}, "foo[*].bar")).to eq(%w[baz bing]) expect(Utils.values_at({ :foo => [ { :bar => :baz }, { :bar => :bing } ]}, "foo[*].bar")).to eq(%w[baz bing]) end it "should allow escaping" do expect(Utils.values_at({ :foo => { :bar => "escape this!?" }}, "escape $.foo.bar")).to eq(["escape+this%21%3F"]) end end describe "#jsonify" do it "escapes </script> tags in the output JSON" do cleaned_json = Utils.jsonify(:foo => "bar", :xss => "</script><script>alert('oh no!')</script>") expect(cleaned_json).not_to include("</script>") expect(cleaned_json).to include('\\u003c/script\\u003e') end it "html_safes the output unless :skip_safe is passed in" do expect(Utils.jsonify({:foo => "bar"})).to be_html_safe expect(Utils.jsonify({:foo => "bar"}, :skip_safe => false)).to be_html_safe expect(Utils.jsonify({:foo => "bar"}, :skip_safe => true)).not_to be_html_safe end end describe "#pretty_jsonify" do it "escapes </script> tags in the output JSON" do cleaned_json = Utils.pretty_jsonify(:foo => "bar", :xss => "</script><script>alert('oh no!')</script>") expect(cleaned_json).not_to include("</script>") expect(cleaned_json).to include("<\\/script>") end end describe "#sort_tuples!" do let(:tuples) { time = Time.now [ [2, "a", time - 1], # 0 [2, "b", time - 1], # 1 [1, "b", time - 1], # 2 [1, "b", time], # 3 [1, "a", time], # 4 [2, "a", time + 1], # 5 [2, "a", time], # 6 ] } it "sorts tuples like arrays by default" do expected = tuples.values_at(4, 2, 3, 0, 6, 5, 1) Utils.sort_tuples!(tuples) expect(tuples).to eq expected end it "sorts tuples in order specified: case 1" do # order by x1 asc, x2 desc, c3 asc orders = [false, true, false] expected = tuples.values_at(2, 3, 4, 1, 0, 6, 5) Utils.sort_tuples!(tuples, orders) expect(tuples).to eq expected end it "sorts tuples in order specified: case 2" do # order by x1 desc, x2 asc, c3 desc orders = [true, false, true] expected = tuples.values_at(5, 6, 0, 1, 4, 3, 2) Utils.sort_tuples!(tuples, orders) expect(tuples).to eq expected end it "always succeeds in sorting even if it finds pairs of incomparable objects" do time = Time.now tuples = [ [2, "a", time - 1], # 0 [1, "b", nil], # 1 [1, "b", time], # 2 ["2", nil, time], # 3 [1, nil, time], # 4 [nil, "a", time + 1], # 5 [2, "a", time], # 6 ] orders = [true, false, true] expected = tuples.values_at(3, 6, 0, 4, 2, 1, 5) Utils.sort_tuples!(tuples, orders) expect(tuples).to eq expected end end context "#parse_duration" do it "works with correct arguments" do expect(Utils.parse_duration('2.days')).to eq(2.days) expect(Utils.parse_duration('2.seconds')).to eq(2) expect(Utils.parse_duration('2')).to eq(2) end it "returns nil when passed nil" do expect(Utils.parse_duration(nil)).to be_nil end it "warns and returns nil when not parseable" do mock(STDERR).puts("WARNING: Invalid duration format: 'bogus'") expect(Utils.parse_duration('bogus')).to be_nil end end context "#if_present" do it "returns nil when passed nil" do expect(Utils.if_present(nil, :to_i)).to be_nil end it "calls the specified method when the argument is present" do argument = mock() mock(argument).to_i { 1 } expect(Utils.if_present(argument, :to_i)).to eq(1) end end end