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]>

Author: yenyeeong

spec/os_mapping_spec.rb

@@ -0,0 +1,72 @@
+require 'spec_helper'
+
+LKP_SRC_PATH = "#{LKP_SRC}/distro/adaptation".freeze
+
+def find_duplicated_lines(default_mapping_path, os_specific_mapping_path)
+  default_mapping_file = File.readlines(default_mapping_path).map(&:strip)
+  os_specific_mapping_file = File.readlines(os_specific_mapping_path).map(&:strip)
+
+  duplicated_lines = default_mapping_file & os_specific_mapping_file
+  duplicated_lines
+end
+
+def read_mappings(file_path)
+  File.readlines(file_path).map(&:strip).reject(&:empty?)
+end
+
+def generate_mappings(lkp_src)
+  files = Dir.entries(lkp_src).select do |f|
+    file_path = File.join(lkp_src, f)
+    File.file?(file_path) && !File.symlink?(file_path) && f != 'README.md'
+  end
+
+  mappings = {}
+
+  files.each do |file|
+    base_name = file.split('-').first
+    mappings[base_name] ||= []
+    if file == base_name
+      mappings[base_name].unshift(File.join(lkp_src, file))
+    else
+      mappings[base_name] << File.join(lkp_src, file)
+    end
+  end
+
+  mappings
+end
+
+def find_common_packages(grouped_files)
+  # Collect all unique package mappings across all files
+  all_packages = grouped_files.values.flatten.map { |file| read_mappings(file) }.flatten.uniq
+  common_packages = []
+
+  # Check if each package appears in at least one file in every group
+  all_packages.each do |package|
+    if grouped_files.all? { |_, files| files.any? { |file| read_mappings(file).include?(package) } }
+      common_packages << package
+    end
+  end
+
+  common_packages
+end
+
+describe 'package mapping uniqueness' do
+  grouped_files = generate_mappings(LKP_SRC_PATH)
+
+  grouped_files.each do |base_name, files|
+    default_file = files.first
+    os_specific_files = files[1..]
+
+    os_specific_files.each do |os_specific_file|
+      it "does not have duplicated lines between #{default_file} and #{os_specific_file}" do
+        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: #{duplicated_lines.join("\n")}"
+      end
+    end
+  end
+
+  it 'does not have any package mapping repeated in all groups' do
+    common_packages = find_common_packages(grouped_files)
+    expect(common_packages).to be_empty, "Common package mappings found in all groups: #{common_packages.join(', ')}"
+  end
+end