shard-spectator/spec/spectator/block_spec.cr
2021-02-09 22:50:21 -07:00

34 lines
808 B
Crystal

require "../spec_helper"
Spectator.describe Spectator::Block do
describe "#value" do
it "calls the block" do
called = false
block = described_class.new { called = true }
expect { block.value }.to change { called }.to(true)
end
it "can be called multiple times (doesn't cache the value)" do
count = 0
block = described_class.new { count += 1 }
block.value # Call once, count should be 1.
expect { block.value }.to change { count }.from(1).to(2)
end
end
describe "#to_s" do
let(block) do
described_class.new("Test Label") { 42 }
end
subject { block.to_s }
it "contains the label" do
is_expected.to contain("Test Label")
end
it "contains the value" do
is_expected.to contain("42")
end
end
end