✅ Add tests for examples in CLI Options

tests/test_tutorial/test_options/test_tutorial001.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial001 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "Say hi to NAME, optionally with a --lastname." in result.output
+    assert "If --formal is used, say hi very formally." in result.output
+    assert "Last name of person to greet." in result.output
+    assert "Say hi formally." in result.output
+
+
+def test_1():
+    result = runner.invoke(app, ["Camila"])
+    assert result.exit_code == 0
+    assert "Hello Camila" in result.output
+
+
+def test_option_lastname():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_formal():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez", "--formal"])
+    assert result.exit_code == 0
+    assert "Good day Ms. Camila Gutiérrez." in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout

tests/test_tutorial/test_options/test_tutorial002.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial002 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_1():
+    result = runner.invoke(app, ["Camila"])
+    assert result.exit_code != 0
+    assert 'Error: Missing option "--lastname".' in result.output
+
+
+def test_option_lastname():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--lastname TEXT" in result.output
+    assert "[required]" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout

tests/test_tutorial/test_options/test_tutorial003.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial003 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_option_lastname():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_option_lastname_prompt():
+    result = runner.invoke(app, ["Camila"], input="Gutiérrez")
+    assert result.exit_code == 0
+    assert "Lastname: " in result.output
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--lastname TEXT" in result.output
+    assert "[required]" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout

tests/test_tutorial/test_options/test_tutorial004.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial004 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_option_lastname():
+    result = runner.invoke(app, ["Camila", "--lastname", "Gutiérrez"])
+    assert result.exit_code == 0
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_option_lastname_prompt():
+    result = runner.invoke(app, ["Camila"], input="Gutiérrez")
+    assert result.exit_code == 0
+    assert "Please tell me your last name: " in result.output
+    assert "Hello Camila Gutiérrez" in result.output
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--lastname TEXT" in result.output
+    assert "[required]" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout

tests/test_tutorial/test_options/test_tutorial005.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial005 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_prompt():
+    result = runner.invoke(app, input="Old Project\nOld Project\n")
+    assert result.exit_code == 0
+    assert "Deleting project Old Project" in result.output
+
+
+def test_prompt_not_equal():
+    result = runner.invoke(
+        app, input="Old Project\nNew Spice\nOld Project\nOld Project\n"
+    )
+    assert result.exit_code == 0
+    assert "Error: the two entered values do not match" in result.output
+    assert "Deleting project Old Project" in result.output
+
+
+def test_option():
+    result = runner.invoke(app, ["--project-name", "Old Project"])
+    assert result.exit_code == 0
+    assert "Deleting project Old Project" in result.output
+    assert "Project name: " not in result.output
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--project-name TEXT" in result.output
+    assert "[required]" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout

tests/test_tutorial/test_options/test_tutorial006.py

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+import subprocess
+
+import typer
+from typer.testing import CliRunner
+
+from options import tutorial006 as mod
+
+runner = CliRunner()
+
+app = typer.Typer()
+app.command()(mod.main)
+
+
+def test_call():
+    result = runner.invoke(app)
+    assert result.exit_code == 0
+    assert "Hello Wade Wilson" in result.output
+
+
+def test_help():
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert "--fullname TEXT" in result.output
+    assert "[default: Wade Wilson]" in result.output
+
+
+def test_script():
+    result = subprocess.run(
+        ["coverage", "run", mod.__file__, "--help"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        encoding="utf-8",
+    )
+    assert "Usage" in result.stdout