test(commands): added integration test for bump command

Author: woile

tests/test_bump_command.py

@@ -0,0 +1,86 @@
+import os
+import shutil
+import pytest
+import sys
+from typing import Optional
+from pathlib import Path
+from commitizen import git, cmd, cli
+import uuid
+
+
+@pytest.fixture
+def create_project():
+    current_directory = os.getcwd()
+    tmp_proj_path = "tests/tmp-proj"
+    full_tmp_path = os.path.join(current_directory, tmp_proj_path)
+    if not os.path.exists(full_tmp_path):
+        os.makedirs(full_tmp_path)
+    os.chdir(full_tmp_path)
+    yield
+    os.chdir(current_directory)
+    shutil.rmtree(full_tmp_path)
+
+
+def create_file_and_commit(message: str, filename: Optional[str] = None):
+    if not filename:
+        filename = str(uuid.uuid4())
+    Path(f"./{filename}").touch()
+    cmd.run("git add .")
+    git.commit(message)
+
+
+def test_bump_command(mocker, create_project):
+    with open("./pyproject.toml", "w") as f:
+        f.write("[tool.commitizen]\n" 'version="0.1.0"')
+
+    cmd.run("git init")
+
+    # MINOR
+    create_file_and_commit("feat: new file")
+
+    testargs = ["cz", "bump", "--yes"]
+    mocker.patch.object(sys, "argv", testargs)
+    cli.main()
+
+    tag_exists = git.tag_exist("0.2.0")
+    assert tag_exists is True
+
+    # PATCH
+    create_file_and_commit("fix: username exception")
+
+    testargs = ["cz", "bump"]
+    mocker.patch.object(sys, "argv", testargs)
+    cli.main()
+
+    tag_exists = git.tag_exist("0.2.1")
+    assert tag_exists is True
+
+    # PRERELEASE
+    create_file_and_commit("feat: location")
+
+    testargs = ["cz", "bump", "--prerelease", "alpha"]
+    mocker.patch.object(sys, "argv", testargs)
+    cli.main()
+
+    tag_exists = git.tag_exist("0.3.0a0")
+    assert tag_exists is True
+
+    # PRERELEASE BUMP CREATES VERSION WITHOUT PRERELEASE
+    testargs = ["cz", "bump"]
+    mocker.patch.object(sys, "argv", testargs)
+    cli.main()
+
+    tag_exists = git.tag_exist("0.3.0")
+    assert tag_exists is True
+
+    # MAJOR
+    create_file_and_commit(
+        "feat: new user interface\n\nBREAKING CHANGE: age is no longer supported"
+    )
+
+    testargs = ["cz", "bump"]
+    mocker.patch.object(sys, "argv", testargs)
+    cli.main()
+
+    tag_exists = git.tag_exist("1.0.0")
+    assert tag_exists is True