Change tests to reduce multiple expectations to one per example

spec/unit/alignment_spec.rb

@@ -21,45 +21,45 @@
     it "creates alignment from a string with a single value" do
       alignment = described_class.from("right")
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("center")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "center")
     end
 
     it "creates alignment from a string with a single value and default" do
       alignment = described_class.from("right", default: "bottom")
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("bottom")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "bottom")
     end
 
     it "creates alignment from a string with two values space-separated" do
       alignment = described_class.from("right top")
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("top")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "top")
     end
 
     it "creates alignment from a string with a comma separator" do
       alignment = described_class.from("right,top")
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("top")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "top")
     end
 
     it "creates alignment from a string with a comma and space separator" do
       alignment = described_class.from("right , top")
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("top")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "top")
     end
   end
 
   describe ".[]" do
     it "creates alignemt with array-like helper method" do
       alignment = described_class["right", "top"]
 
-      expect(alignment.horizontal).to eq("right")
-      expect(alignment.vertical).to eq("top")
+      expect(alignment).to have_attributes(horizontal: "right",
+                                           vertical: "top")
     end
 
     it "raises when value is invalid" do

spec/unit/run_spec.rb

@@ -1,14 +1,22 @@
 # frozen_string_literal: true
 
 RSpec.describe Slideck, ".run" do
-  it "runs the runner" do
+  it "creates a CLI with a runner" do
     cli = instance_spy(Slideck::CLI)
     allow(Slideck::CLI).to receive(:new).and_return(cli)
 
-    described_class.run(%w[slides.md], {"NO_COLOR" => true})
+    described_class.run
 
     expect(Slideck::CLI).to have_received(:new)
       .with(instance_of(Slideck::Runner), $stdout, $stderr)
+  end
+
+  it "starts the CLI with a slides file and NO_COLOR=true variable" do
+    cli = instance_spy(Slideck::CLI)
+    allow(Slideck::CLI).to receive(:new).and_return(cli)
+
+    described_class.run(%w[slides.md], {"NO_COLOR" => true})
+
     expect(cli).to have_received(:start)
       .with(%w[slides.md], {"NO_COLOR" => true})
   end

spec/unit/tracker_spec.rb

@@ -29,11 +29,9 @@
     it "changes by moving forward and backward" do
       tracker = described_class.new(0, 5)
 
-      tracker = tracker.next
-      tracker = tracker.next
-      expect(tracker.current).to eq(2)
-
+      2.times { tracker = tracker.next }
       tracker = tracker.previous
+
       expect(tracker.current).to eq(1)
     end