1 files changed, 46 insertions, 0 deletions
diff --git a/gems/ipynbdiff/spec/test_helper.rb b/gems/ipynbdiff/spec/test_helper.rb
new file mode 100644
index 00000000000..626b72b99f0
--- /dev/null
+++ b/gems/ipynbdiff/spec/test_helper.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'simplecov'
+SimpleCov.start
+
+require 'ipynb_diff'
+require 'rspec'
+require 'rspec-parameterized'
+require 'json'
+
+BASE_PATH = File.join(__dir__ || '', 'testdata')
+
+FROM_PATH = File.join(BASE_PATH, 'from.ipynb')
+TO_PATH = File.join(BASE_PATH, 'to.ipynb')
+
+FROM_IPYNB = File.read(FROM_PATH)
+TO_IPYNB = File.read(TO_PATH)
+
+def test_case_input_path(test_case)
+  File.join(BASE_PATH, test_case, 'input.ipynb')
+end
+
+def test_case_symbols_path(test_case)
+  File.join(BASE_PATH, test_case, 'expected_symbols.txt')
+end
+
+def test_case_md_path(test_case)
+  File.join(BASE_PATH, test_case, 'expected.md')
+end
+
+def test_case_line_numbers_path(test_case)
+  File.join(BASE_PATH, test_case, 'expected_line_numbers.txt')
+end
+
+def read_file_if_exists(path)
+  File.read(path) if File.file?(path)
+end
+
+def read_test_case(test_case_name)
+  {
+    input: read_file_if_exists(test_case_input_path(test_case_name)),
+    expected_markdown: read_file_if_exists(test_case_md_path(test_case_name)),
+    expected_symbols: read_file_if_exists(test_case_symbols_path(test_case_name)),
+    expected_line_numbers: read_file_if_exists(test_case_line_numbers_path(test_case_name))
+  }
+end