Add specs/support for yank popup

Author: CKolkey

spec/buffers/commit_buffer_spec.rb

@@ -17,9 +17,60 @@
     expect(nvim.filetype).to eq("NeogitLogView")
   end
 
-  it "can yank OID" do
+  it "can open Yank popup" do
     nvim.keys("Y")
-    expect(nvim.screen.last.strip).to match(/\A[a-f0-9]{40}\z/)
+    expect(nvim.filetype).to eq("NeogitPopup")
+  end
+
+  it "can yank oid" do
+    nvim.keys("YY")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to match(/[0-9a-f]{40}/)
+  end
+
+  it "can yank author" do
+    nvim.keys("Ya")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to eq("tester <test@example.com>")
+  end
+
+  it "can yank subject" do
+    nvim.keys("Ys")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to eq("Initial commit")
+  end
+
+  it "can yank message" do
+    nvim.keys("Ym")
+    yank = nvim.cmd("echo @*")
+    expect(yank).to contain_exactly("Initial commit\n", "commit message")
+  end
+
+  it "can yank body" do
+    nvim.keys("Yb")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to eq("commit message")
+  end
+
+  it "can yank diff" do
+    nvim.keys("Yd")
+    yank = nvim.cmd("echo @*")
+    expect(yank).to contain_exactly("@@ -0,0 +1 @@\n", "+hello, world")
+  end
+
+  it "can yank tag" do
+    git.add_tag("test-tag", "HEAD")
+    nvim.keys("Yt")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to eq("test-tag")
+  end
+
+  it "can yank tags" do
+    git.add_tag("test-tag-a", "HEAD")
+    git.add_tag("test-tag-b", "HEAD")
+    nvim.keys("Yt")
+    yank = nvim.cmd("echo @*").first
+    expect(yank).to eq("test-tag-a, test-tag-b")
   end
 
   it "can open the bisect popup" do

spec/support/context/git.rb

@@ -4,11 +4,11 @@
   let(:git) { Git.open(Dir.pwd) }
 
   before do
-    system("touch testfile")
-
     git.config("user.email", "test@example.com")
     git.config("user.name", "tester")
+
+    create_file("testfile", "hello, world\n")
     git.add("testfile")
-    git.commit("Initial commit")
+    git.commit("Initial commit\ncommit message")
   end
 end