Created spec test to check and remove duplicated lines between the default OS mapping and each OS-specific mappings.

Fix #484

Signed-off-by: Ong, Yen Yee <[email protected]>
Signed-off-by: Chiam, Jia Ying <[email protected]>
Signed-off-by: yeetengangIntel <[email protected]>
Signed-off-by: Wei Shan <[email protected]>
Signed-off-by: Seow, Wen Jie <[email protected]>

Author: yenyeeong

spec/os_mapping_spec.rb

@@ -0,0 +1,71 @@
+require 'spec_helper'
+
+LKP_SRC_PATH = "#{LKP_SRC}/distro/adaptation".freeze
+
+def find_duplicated_lines(default_subdir, os_specific_subdir)
+  default_mapping_lines = read_mappings(default_subdir)
+  os_specific_mapping_lines = read_mappings(os_specific_subdir)
+
+  default_mapping_lines & os_specific_mapping_lines
+end
+
+def read_mappings(file_path)
+  File.readlines(file_path).map(&:strip).reject(&:empty?)
+end
+
+def generate_mappings(lkp_src)
+  mappings = Hash.new { |h, k| h[k] = { default: nil, os_specific: [] } }
+
+  # Iterate through each subdirectory in the lkp_src directory
+  Dir.entries(lkp_src).each do |subdir|
+    next if ['.', '..', 'README.md'].include?(subdir)
+
+    subdir_path = File.join(lkp_src, subdir)
+    next unless File.directory?(subdir_path)
+
+    # Get a list of files in the subdirectory
+    files = Dir.entries(subdir_path).select do |f|
+      file_path = File.join(subdir_path, f)
+      File.file?(file_path) && !File.symlink?(file_path)
+    end
+
+    # Populate the mappings hash with files from the subdirectory
+    files.each do |file|
+      base_name = subdir
+      if file.include?('default')
+        mappings[base_name][:default] = File.join(subdir_path, file)
+      else
+        mappings[base_name][:os_specific] << File.join(subdir_path, file)
+      end
+    end
+  end
+
+  mappings
+end
+
+describe 'package mapping uniqueness' do
+  grouped_files = generate_mappings(LKP_SRC_PATH)
+
+  grouped_files.each_value do |files|
+    default_file = files[:default]
+    os_specific_files = files[:os_specific]
+
+    it "does not have duplicated lines between #{default_file} and any OS-specific files" do
+      skip 'No default file found for this group.' if default_file.nil?
+      skip "No OS-specific files to compare with default file: #{default_file}." if os_specific_files.nil? || os_specific_files.empty?
+
+      os_specific_files.each do |os_specific_file|
+        duplicated_lines = find_duplicated_lines(default_file, os_specific_file)
+        expect(duplicated_lines).to be_empty, "Duplicated lines found between files:\nDefault: #{default_file}\nOS-specific: #{os_specific_file}\nDuplicated lines:\n#{duplicated_lines.join("\n")}"
+      end
+    end
+
+    it 'does not have duplicated lines among all OS-specific files' do
+      skip 'No OS-specific files to compare among themselves.' if os_specific_files.nil? || os_specific_files.empty? || os_specific_files.size < 2
+
+      all_os_specific_lines = os_specific_files.map { |file| read_mappings(file) }
+      duplicated_lines = all_os_specific_lines.reduce(&:&)
+      expect(duplicated_lines).to be_empty, "Duplicated lines found among OS-specific files in folder #{File.dirname(os_specific_files.first)}:\nDuplicated lines:\n#{duplicated_lines.join("\n")}"
+    end
+  end
+end