public void a_step_cannot_reference_it_self_as_a_pre_step()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: foo", " dummy" })
)
.Build();
Assert.Throws <StepSelfReferencesException>(() => sut.Run(new[] { "foo" }));
}
public void prevent_circular_execution_with_steps_that_has_pre_steps()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: bar", " dummy", "bar: foo", " dummy" })
)
.Build();
Assert.Throws <StepCircularReferenceException>(() => sut.Run(new[] { "foo" }));
}
public void default_to_running_the_first_step_in_pipeline_file_if_none_has_been_specified()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo:", " bar", "baz:", " qux" })
)
.Build();
sut.Run(new string[] {});
Assert.Equal(new[] { "bar" }, spy.executedArguments);
}
public void runs_expected_actions_when_step_contains_multiple()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo:", " bar", " baz", " qux" })
)
.Build();
sut.Run(new[] { "foo" });
Assert.Equal(new[] { "bar", "baz", "qux" }, spy.executedArguments);
}
public void runs_expected_step_from_pipeline_file_when_requested_from_args()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo:", " bar", "baz:", " qux" })
)
.Build();
sut.Run(new[] { "baz" });
Assert.Equal(new[] { "qux" }, spy.executedArguments);
}
public void supports_nested_steps_aka_pre_steps_of_pre_steps()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: bar", " foo-action", "bar: baz", " bar-action", "baz: qux", " baz-action", "qux:", " qux-action" })
)
.Build();
sut.Run(new[] { "foo" });
Assert.Equal(new[] { "qux-action", "baz-action", "bar-action", "foo-action" }, spy.executedArguments);
}
public void a_step_is_not_required_to_have_an_action_if_it_has_a_pre_step()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: bar", "bar:", " bar-action" })
)
.Build();
sut.Run(new[] { "foo" });
Assert.Equal(new[] { "bar-action" }, spy.executedArguments);
}
public void a_step_can_have_multiple_pre_steps_that_are_executed_before_it_self()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: bar baz qux", " foo-action", "bar:", " bar-action", "baz:", " baz-action", "qux:", " qux-action" })
)
.Build();
sut.Run(new[] { "foo" });
Assert.Equal(new[] { "bar-action", "baz-action", "qux-action", "foo-action" }, spy.executedArguments);
}
public void if_shell_is_not_defined_as_variable_the_default_shell_for_a_specific_OS_is_used(OperatingSystemType os, string expectedShell)
{
var spy = new SpyCommandLineExecutor();
var commandFactory = new RealCommandFactoryBuilder()
.WithOperatingSystemTypeProvider(new StubOperatingSystemTypeProvider(os))
.Build();
var sut = new EngineBuilder()
.WithCommandFactory(commandFactory)
.WithCommandLineExecutor(spy)
.WithFileSystem(new StubFileSystem(fileContents: new[] { "dummy:", " dummy" }
))
.Build();
sut.Run(new string[] {});
Assert.Equal(expectedShell, spy.executedShell);
}
public void if_a_pre_step_fails_its_parent_step_is_not_executed()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(new ErroneusCommandLineExecutorDecorator(spy, invocationToFailOn: 1))
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo: bar", " foo-action", "bar:", " bar-action" })
)
.Build();
try
{
sut.Run(new[] { "foo" });
}
catch
{
// ignored
}
Assert.Equal(Enumerable.Empty <string>(), spy.executedArguments);
}
public void if_one_step_fails_additional_steps_are_not_executed()
{
var spy = new SpyCommandLineExecutor();
var sut = new EngineBuilder()
.WithCommandLineExecutor(new ErroneusCommandLineExecutorDecorator(spy, invocationToFailOn: 2))
.WithFileSystem(new StubFileSystem(fileContents: new[] { "foo:", " bar", "baz:", " qux" })
)
.Build();
try
{
sut.Run(new[] { "foo", "baz" });
}
catch
{
// ignored
}
Assert.Equal(new[] { "bar" }, spy.executedArguments);
}
public void variables_are_expanded_when_actions_are_executed()
{
var spy = new SpyCommandLineExecutor();
var variableHelper = new VariableHelperBuilder().Build();
var sut = new EngineBuilder()
.WithCommandLineExecutor(spy)
.WithVariableHelper(variableHelper)
.WithFileSystem(new StubFileSystem(fileContents: new[]
{
"FOO=bar",
"foo:",
" foo-$(FOO)"
})
)
.Build();
sut.Run(new[] { "foo" });
Assert.Equal(new[] { "foo-bar" }, spy.executedArguments);
}