Add spec for GitLab issue 51

https://gitlab.com/arctic-fox/spectator/-/issues/51
This commit is contained in:
Michael Miller 2022-07-14 22:01:33 -06:00
parent 61dee8d7db
commit 95764140ee
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@ -0,0 +1,107 @@
require "../spec_helper"
private class Foo
def call(str : String) : String?
""
end
def alt1_call(str : String) : String?
nil
end
def alt2_call(str : String) : String?
[str, nil].sample
end
end
private class Bar
def call(a_foo) : Nil # Must add nil restriction here, otherwise a segfault occurs from returning the result of #alt2_call.
a_foo.call("")
a_foo.alt1_call("")
a_foo.alt2_call("")
end
end
Spectator.describe Bar do
mock Foo, call: "", alt1_call: "", alt2_call: ""
let(:foo) { mock(Foo) }
subject(:call) { described_class.new.call(foo) }
describe "#call" do
it "invokes Foo#call" do
call
expect(foo).to have_received(:call)
end
it "invokes Foo#alt1_call" do
call
expect(foo).to have_received(:alt1_call)
end
it "invokes Foo#alt2_call" do
call
expect(foo).to have_received(:alt2_call)
end
describe "with an explicit return of nil" do
it "should invoke Foo#call?" do
allow(foo).to receive(:call).and_return(nil)
call
expect(foo).to have_received(:call)
end
it "invokes Foo#alt1_call" do
allow(foo).to receive(:alt1_call).and_return(nil)
call
expect(foo).to have_received(:alt1_call)
end
it "invokes Foo#alt2_call" do
allow(foo).to receive(:alt2_call).and_return(nil)
call
expect(foo).to have_received(:alt2_call)
end
end
describe "with returns set in before_each for all calls" do
before_each do
allow(foo).to receive(:call).and_return(nil)
allow(foo).to receive(:alt1_call).and_return(nil)
allow(foo).to receive(:alt2_call).and_return(nil)
end
it "should invoke Foo#call?" do
call
expect(foo).to have_received(:call)
end
it "should invoke Foo#alt1_call?" do
call
expect(foo).to have_received(:alt1_call)
end
it "should invoke Foo#alt2_call?" do
call
expect(foo).to have_received(:alt2_call)
end
end
describe "with returns set in before_each for alt calls only" do
before_each do
allow(foo).to receive(:alt1_call).and_return(nil)
allow(foo).to receive(:alt2_call).and_return(nil)
end
it "invokes Foo#alt1_call" do
call
expect(foo).to have_received(:alt1_call)
end
it "invokes Foo#alt2_call" do
call
expect(foo).to have_received(:alt2_call)
end
end
end
end