test: modified and added integration tests for python buildspec generation

Author: AbhinavPradeep

tests/integration/cases/pypi_cachetools/expected_default.buildspec

@@ -0,0 +1 @@
+{"macaron_version": "0.18.0", "group_id": null, "artifact_id": "cachetools", "version": "6.2.1", "git_repo": "https://github.com/tkem/cachetools", "git_tag": "ca7508fd56103a1b6d6f17c8e93e36c60b44ca25", "newline": "lf", "language_version": "", "ecosystem": "pypi", "purl": "pkg:pypi/cachetools@6.2.1", "language": "python", "build_tool": "pip", "build_commands": [["pip", "install", "coverage", "tox"]], "build_backends": {"setuptools": "==(80.9.0)", "wheel": ""}}

tests/integration/cases/pypi_cachetools/test.yaml

@@ -0,0 +1,32 @@
+# Copyright (c) 2025 - 2025, Oracle and/or its affiliates. All rights reserved.
+# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
+
+description: |
+  Analyzing a PyPI PURL that has provenance available on the PyPI registry, and passes the SCM authenticity check.
+  It also tests buildspec generation.
+
+tags:
+- macaron-python-package
+- tutorial
+
+steps:
+- name: Run macaron analyze
+  kind: analyze
+  options:
+    command_args:
+    - -purl
+    - pkg:pypi/cachetools@6.2.1
+- name: Generate the buildspec
+  kind: gen-build-spec
+  options:
+    command_args:
+    - -purl
+    - pkg:pypi/cachetools@6.2.1
+    - --output-format
+    - default-buildspec
+- name: Compare Buildspec.
+  kind: compare
+  options:
+    kind: default_build_spec
+    result: output/buildspec/pypi/cachetools/macaron.buildspec
+    expected: expected_default.buildspec

tests/integration/cases/pypi_toga/expected_default.buildspec

@@ -1 +1 @@
-{"macaron_version": "0.18.0", "group_id": null, "artifact_id": "toga", "version": "0.5.1", "git_repo": "https://github.com/beeware/toga", "git_tag": "ef1912b0a1b5c07793f9aa372409f5b9d36f2604", "newline": "lf", "language_version": "", "ecosystem": "pypi", "purl": "pkg:pypi/toga@0.5.1", "language": "python", "build_tool": "pip", "build_commands": [["pip", "install", "-U", "pip"]]}
+{"macaron_version": "0.18.0", "group_id": null, "artifact_id": "toga", "version": "0.5.1", "git_repo": "https://github.com/beeware/toga", "git_tag": "ef1912b0a1b5c07793f9aa372409f5b9d36f2604", "newline": "lf", "language_version": "", "ecosystem": "pypi", "purl": "pkg:pypi/toga@0.5.1", "language": "python", "build_tool": "pip", "build_commands": [["pip", "install", "-U", "pip"]], "build_backends": {"setuptools": "==(80.3.1)", "setuptools_scm": "==8.3.1", "setuptools_dynamic_dependencies": "==1.0.0"}}