tests: improve init command test setup

This change ensures that we create closer to reality scenarios when
testing init command.

Relates-to: #3073

tests/console/commands/test_init.py

@@ -1,26 +1,42 @@
+import os
+import shutil
 import sys
 
 import pytest
 
+from cleo import CommandTester
+
+from poetry.repositories import Pool
 from poetry.utils._compat import Path
 from poetry.utils._compat import decode
+from tests.helpers import TestApplication
 from tests.helpers import get_package
 
 
 @pytest.fixture
-def source_dir(tmp_path):  # type: (Path) -> Path
-    yield Path(tmp_path.as_posix())
+def source_dir(tmp_path):  # type: (...) -> Path
+    cwd = os.getcwd()
 
+    try:
+        os.chdir(str(tmp_path))
+        yield Path(tmp_path.as_posix())
+    finally:
+        os.chdir(cwd)
 
-@pytest.fixture(autouse=True)
-def patches(mocker, source_dir):
-    patch = mocker.patch("poetry.utils._compat.Path.cwd")
-    patch.return_value = source_dir
+
+@pytest.fixture
+def patches(mocker, source_dir, repo):
+    mocker.patch("poetry.utils._compat.Path.cwd", return_value=source_dir)
+    mocker.patch(
+        "poetry.console.commands.init.InitCommand._get_pool", return_value=Pool([repo])
+    )
 
 
 @pytest.fixture
-def tester(command_tester_factory):
-    return command_tester_factory("init")
+def tester(patches):
+    # we need a test application without poetry here.
+    app = TestApplication(None)
+    return CommandTester(app.find("init"))
 
 
 @pytest.fixture
@@ -265,10 +281,13 @@ def test_interactive_with_git_dependencies_and_other_name(tester, repo):
     assert expected in tester.io.fetch_output()
 
 
-def test_interactive_with_directory_dependency(tester, repo):
+def test_interactive_with_directory_dependency(tester, repo, source_dir, fixture_dir):
     repo.add_package(get_package("pendulum", "2.0.0"))
     repo.add_package(get_package("pytest", "3.6.0"))
 
+    demo = fixture_dir("git") / "github.com" / "demo" / "demo"
+    shutil.copytree(str(demo), str(source_dir / "demo"))
+
     inputs = [
         "my-package",  # Package name
         "1.2.3",  # Version
@@ -277,7 +296,7 @@ def test_interactive_with_directory_dependency(tester, repo):
         "MIT",  # License
         "~2.7 || ^3.6",  # Python
         "",  # Interactive packages
-        "../../fixtures/git/github.com/demo/demo",  # Search for package
+        "./demo",  # Search for package
         "",  # Stop searching for packages
         "",  # Interactive dev packages
         "pytest",  # Search for package
@@ -298,19 +317,23 @@ def test_interactive_with_directory_dependency(tester, repo):
 
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.6"
-demo = {path = "../../fixtures/git/github.com/demo/demo"}
+demo = {path = "demo"}
 
 [tool.poetry.dev-dependencies]
 pytest = "^3.6.0"
 """
-
     assert expected in tester.io.fetch_output()
 
 
-def test_interactive_with_directory_dependency_and_other_name(tester, repo):
+def test_interactive_with_directory_dependency_and_other_name(
+    tester, repo, source_dir, fixture_dir
+):
     repo.add_package(get_package("pendulum", "2.0.0"))
     repo.add_package(get_package("pytest", "3.6.0"))
 
+    demo = fixture_dir("git") / "github.com" / "demo" / "pyproject-demo"
+    shutil.copytree(str(demo), str(source_dir / "pyproject-demo"))
+
     inputs = [
         "my-package",  # Package name
         "1.2.3",  # Version
@@ -319,7 +342,7 @@ def test_interactive_with_directory_dependency_and_other_name(tester, repo):
         "MIT",  # License
         "~2.7 || ^3.6",  # Python
         "",  # Interactive packages
-        "../../fixtures/git/github.com/demo/pyproject-demo",  # Search for package
+        "./pyproject-demo",  # Search for package
         "",  # Stop searching for packages
         "",  # Interactive dev packages
         "pytest",  # Search for package
@@ -340,7 +363,7 @@ def test_interactive_with_directory_dependency_and_other_name(tester, repo):
 
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.6"
-demo = {path = "../../fixtures/git/github.com/demo/pyproject-demo"}
+demo = {path = "pyproject-demo"}
 
 [tool.poetry.dev-dependencies]
 pytest = "^3.6.0"
@@ -349,10 +372,13 @@ def test_interactive_with_directory_dependency_and_other_name(tester, repo):
     assert expected in tester.io.fetch_output()
 
 
-def test_interactive_with_file_dependency(tester, repo):
+def test_interactive_with_file_dependency(tester, repo, source_dir, fixture_dir):
     repo.add_package(get_package("pendulum", "2.0.0"))
     repo.add_package(get_package("pytest", "3.6.0"))
 
+    demo = fixture_dir("distributions") / "demo-0.1.0-py2.py3-none-any.whl"
+    shutil.copyfile(str(demo), str(source_dir / demo.name))
+
     inputs = [
         "my-package",  # Package name
         "1.2.3",  # Version
@@ -361,7 +387,7 @@ def test_interactive_with_file_dependency(tester, repo):
         "MIT",  # License
         "~2.7 || ^3.6",  # Python
         "",  # Interactive packages
-        "../../fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl",  # Search for package
+        "./demo-0.1.0-py2.py3-none-any.whl",  # Search for package
         "",  # Stop searching for packages
         "",  # Interactive dev packages
         "pytest",  # Search for package
@@ -382,7 +408,7 @@ def test_interactive_with_file_dependency(tester, repo):
 
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.6"
-demo = {path = "../../fixtures/distributions/demo-0.1.0-py2.py3-none-any.whl"}
+demo = {path = "demo-0.1.0-py2.py3-none-any.whl"}
 
 [tool.poetry.dev-dependencies]
 pytest = "^3.6.0"