Add progress bar model

spec/models/progress_bar_spec.rb

@@ -0,0 +1,97 @@
+require "rails_helper"
+
+describe ProgressBar do
+  let(:progress_bar) { build(:progress_bar) }
+
+  it "is valid" do
+    expect(progress_bar).to be_valid
+  end
+
+  it "is valid without a title" do
+    progress_bar.title = nil
+
+    expect(progress_bar).to be_valid
+  end
+
+  it "is not valid with a custom type" do
+    expect { progress_bar.kind = "terciary" }.to raise_exception(ArgumentError)
+  end
+
+  it "is not valid without a percentage" do
+    progress_bar.percentage = nil
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "is not valid with a non-numeric percentage" do
+    progress_bar.percentage = "High"
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "is not valid with a non-integer percentage" do
+    progress_bar.percentage = 22.83
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "is not valid with a negative percentage" do
+    progress_bar.percentage = -1
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "is not valid with a percentage bigger than 100" do
+    progress_bar.percentage = 101
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "is valid with an integer percentage within the limits" do
+    progress_bar.percentage = 0
+
+    expect(progress_bar).to be_valid
+
+    progress_bar.percentage = 100
+
+    expect(progress_bar).to be_valid
+
+    progress_bar.percentage = 83
+
+    expect(progress_bar).to be_valid
+  end
+
+  it "is not valid without a progressable" do
+    progress_bar.progressable = nil
+
+    expect(progress_bar).not_to be_valid
+  end
+
+  it "cannot have another primary progress bar for the same progressable" do
+    progress_bar.save
+    duplicate = build(:progress_bar, progressable: progress_bar.progressable)
+
+    expect(duplicate).not_to be_valid
+  end
+
+  describe "secondary progress bar" do
+    let(:progress_bar) { build(:progress_bar, :secondary) }
+
+    it "is valid" do
+      expect(progress_bar).to be_valid
+    end
+
+    it "is invalid without a title" do
+      progress_bar.title = nil
+
+      expect(progress_bar).not_to be_valid
+    end
+
+    it "can have another secondary progress bar for the same progressable" do
+      progress_bar.save
+      duplicate = build(:progress_bar, progressable: progress_bar.progressable)
+
+      expect(duplicate).to be_valid
+    end
+  end
+end