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Check for leaks on class mocks and doubles
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2 changed files with 200 additions and 0 deletions
spec/spectator/dsl/mocks
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@ -11,6 +11,62 @@ Spectator.describe "Deferred stub expectation DSL" do
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let(dbl) { double(:dbl) }
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let(dbl) { double(:dbl) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(dbl).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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expect(dbl).to receive(:foo)
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dbl.foo
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end
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it "returns the correct value" do
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expect(dbl).to receive(:value).and_return(42)
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expect(dbl.value).to eq(42)
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end
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it "matches when a message isn't received" do
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expect(dbl).to_not receive(:foo)
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end
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it "matches when a message is received with matching arguments" do
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expect(dbl).to receive(:foo).with(:bar)
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dbl.foo(:bar)
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end
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it "matches when a message without arguments is received" do
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expect(dbl).to_not receive(:foo).with(:bar)
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dbl.foo
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end
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it "matches when a message without arguments isn't received" do
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expect(dbl).to_not receive(:foo).with(:bar)
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end
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it "matches when a message with arguments isn't received" do
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expect(dbl).to_not receive(:foo).with(:baz)
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dbl.foo(:bar)
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end
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end
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context "with a class double" do
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double(:dbl) do
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# Ensure the original is never called.
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abstract_stub def self.foo : Nil
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end
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abstract_stub def self.foo(arg) : Nil
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end
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abstract_stub def self.value : Int32
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42
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end
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end
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let(dbl) { class_double(:dbl) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(dbl).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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it "matches when a message is received" do
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expect(dbl).to receive(:foo)
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expect(dbl).to receive(:foo)
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dbl.foo
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dbl.foo
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@ -55,6 +111,61 @@ Spectator.describe "Deferred stub expectation DSL" do
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let(fake) { mock(MyClass) }
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let(fake) { mock(MyClass) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(fake).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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expect(fake).to receive(:foo).and_return(42)
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fake.foo(:bar)
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end
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it "returns the correct value" do
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expect(fake).to receive(:foo).and_return(42)
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expect(fake.foo).to eq(42)
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end
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it "matches when a message isn't received" do
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expect(fake).to_not receive(:foo)
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end
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it "matches when a message is received with matching arguments" do
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expect(fake).to receive(:foo).with(:bar).and_return(42)
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fake.foo(:bar)
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end
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it "matches when a message without arguments is received" do
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expect(fake).to_not receive(:foo).with(:bar).and_return(42)
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fake.foo
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end
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it "matches when a message without arguments is received" do
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expect(fake).to_not receive(:foo).with(:bar)
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end
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it "matches when a message with arguments isn't received" do
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expect(fake).to_not receive(:foo).with(:baz).and_return(42)
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fake.foo(:bar)
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end
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end
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context "with a class mock" do
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class MyClass
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def self.foo : Int32
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42
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end
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def self.foo(arg) : Int32
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42
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end
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end
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mock(MyClass)
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let(fake) { class_mock(MyClass) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(fake).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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it "matches when a message is received" do
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expect(fake).to receive(:foo).and_return(42)
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expect(fake).to receive(:foo).and_return(42)
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fake.foo(:bar)
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fake.foo(:bar)
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@ -6,6 +6,54 @@ Spectator.describe "Stubbable receiver DSL" do
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let(dbl) { double(:dbl) }
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let(dbl) { double(:dbl) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(dbl).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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dbl.foo
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expect(dbl).to have_received(:foo)
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end
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it "matches when a message isn't received" do
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expect(dbl).to_not have_received(:foo)
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end
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it "matches when a message is received with matching arguments" do
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dbl.foo(:bar)
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expect(dbl).to have_received(:foo).with(:bar)
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end
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it "matches when a message without arguments is received" do
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dbl.foo
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expect(dbl).to_not have_received(:foo).with(:bar)
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end
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it "matches when a message without arguments isn't received" do
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expect(dbl).to_not have_received(:foo).with(:bar)
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end
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it "matches when a message with arguments isn't received" do
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dbl.foo(:bar)
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expect(dbl).to_not have_received(:foo).with(:baz)
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end
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end
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context "with a class double" do
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double(:dbl) do
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stub def self.foo
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42
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end
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stub def self.foo(arg)
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42
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end
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end
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let(dbl) { class_double(:dbl) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(dbl).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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it "matches when a message is received" do
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dbl.foo
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dbl.foo
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expect(dbl).to have_received(:foo)
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expect(dbl).to have_received(:foo)
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@ -44,6 +92,47 @@ Spectator.describe "Stubbable receiver DSL" do
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let(fake) { mock(MyClass) }
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let(fake) { mock(MyClass) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(fake).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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fake.foo(:bar)
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expect(fake).to have_received(:foo)
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end
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it "matches when a message isn't received" do
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expect(fake).to_not have_received(:foo)
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end
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it "matches when a message is received with matching arguments" do
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fake.foo(:bar)
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expect(fake).to have_received(:foo).with(:bar)
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end
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it "matches when a message without arguments is received" do
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expect(fake).to_not have_received(:foo).with(:bar)
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end
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it "matches when a message with arguments isn't received" do
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fake.foo(:bar)
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expect(fake).to_not have_received(:foo).with(:baz)
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end
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end
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context "with a class mock" do
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class MyClass
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def self.foo(arg) : Int32
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42
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end
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end
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mock(MyClass)
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let(fake) { class_mock(MyClass) }
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# Ensure invocations don't leak between examples.
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pre_condition { expect(fake).to_not have_received(:foo), "Leaked method calls from previous examples" }
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it "matches when a message is received" do
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it "matches when a message is received" do
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fake.foo(:bar)
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fake.foo(:bar)
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expect(fake).to have_received(:foo)
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expect(fake).to have_received(:foo)
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