Move 'Search Snippets' Spinach feature to Rspec

This commit moves the `search_snippets.feature` Spinach test to a
Rspec feature, as part of deprecating the Spinach test suite.

- Remove Spinach discover snippets feature and steps
- Remove unused `SharedSearch` module
- Add Rspec feature scenarios

1 files changed, 66 insertions, 0 deletions

diff --git a/spec/features/snippets/search_snippets_spec.rb b/spec/features/snippets/search_snippets_spec.rb
new file mode 100644
index 00000000000..146cd3af848
--- /dev/null
+++ b/spec/features/snippets/search_snippets_spec.rb
@@ -0,0 +1,66 @@
+require 'rails_helper'
+
+feature 'Search Snippets', feature: true do
+  scenario 'User searches for snippets by title' do
+    public_snippet = create(:personal_snippet, :public, title: 'Beginning and Middle')
+    private_snippet = create(:personal_snippet, :private, title: 'Middle and End')
+
+    login_as private_snippet.author
+    visit dashboard_snippets_path
+
+    page.within '.search' do
+      fill_in 'search', with: 'Middle'
+      click_button 'Go'
+    end
+
+    click_link 'Titles and Filenames'
+
+    expect(page).to have_link(public_snippet.title)
+    expect(page).to have_link(private_snippet.title)
+  end
+
+  scenario 'User searches for snippet contents' do
+    create(:personal_snippet,
+           :public,
+           title: 'Many lined snippet',
+           content: <<-CONTENT.strip_heredoc
+             |line one
+             |line two
+             |line three
+             |line four
+             |line five
+             |line six
+             |line seven
+             |line eight
+             |line nine
+             |line ten
+             |line eleven
+             |line twelve
+             |line thirteen
+             |line fourteen
+           CONTENT
+          )
+
+    login_as create(:user)
+    visit dashboard_snippets_path
+
+    page.within '.search' do
+      fill_in 'search', with: 'line seven'
+      click_button 'Go'
+    end
+
+    expect(page).to have_content('line seven')
+
+    # 3 lines before the matched line should be visible
+    expect(page).to have_content('line six')
+    expect(page).to have_content('line five')
+    expect(page).to have_content('line four')
+    expect(page).not_to have_content('line three')
+
+    # 3 lines after the matched line should be visible
+    expect(page).to have_content('line eight')
+    expect(page).to have_content('line nine')
+    expect(page).to have_content('line ten')
+    expect(page).not_to have_content('line eleven')
+  end
+end