Add spec for PendingExample

spec/pending_example_spec.cr

@@ -0,0 +1,65 @@
+require "./spec_helper"
+
+class ConcretePendingExample < Spectator::PendingExample
+  def what
+    "PENDING_TEST_EXAMPLE"
+  end
+end
+
+def new_pending_example(group : Spectator::ExampleGroup? = nil)
+  ConcretePendingExample.new(group || new_root_group, Spectator::Internals::SampleValues.empty)
+end
+
+describe Spectator::PendingExample do
+  describe "#run" do
+    it "returns a pending result" do
+      new_pending_example.run.should be_a(Spectator::PendingResult)
+    end
+  end
+
+  describe "#finished?" do
+    it "is initially false" do
+      new_pending_example.finished?.should be_false
+    end
+
+    it "is true after #run is called" do
+      example = new_pending_example
+      Spectator::Internals::Harness.run(example)
+      example.finished?.should be_true
+    end
+  end
+
+  describe "#group" do
+    it "is the expected value" do
+      group = new_root_group
+      example = new_pending_example(group)
+      example.group.should eq(group)
+    end
+  end
+
+  describe "#example_count" do
+    it "is one" do
+      new_pending_example.example_count.should eq(1)
+    end
+  end
+
+  describe "#[]" do
+    it "returns self" do
+      example = new_pending_example
+      example[0].should eq(example)
+    end
+  end
+
+  describe "#to_s" do
+    it "contains #what" do
+      example = new_pending_example
+      example.to_s.should contain(example.what)
+    end
+
+    it "contains the group's #what" do
+      group = new_nested_group
+      example = new_pending_example(group)
+      example.to_s.should contain(group.what)
+    end
+  end
+end