public async Task Command_can_be_executed_with_some_inherited_environment_variables_overwritten()
{
// Arrange
var salt = Guid.NewGuid();
var variableToKeep = $"CLIWRAP_TEST_KEEP_{salt}";
var variableToOverwrite = $"CLIWRAP_TEST_OVERWRITE_{salt}";
var variableToUnset = $"CLIWRAP_TEST_UNSET_{salt}";
using (EnvironmentVariable.Set(variableToKeep, "foo")) // will be left unchanged
using (EnvironmentVariable.Set(variableToOverwrite, "bar")) // will be overwritten
using (EnvironmentVariable.Set(variableToUnset, "baz")) // will be unset
{
var cmd = Cli.Wrap("dotnet")
.WithArguments(a => a
.Add(Dummy.Program.FilePath)
.Add("print-environment-variables"))
.WithEnvironmentVariables(e => e
.Set(variableToOverwrite, "new bar")
.Set(variableToUnset, null));
// Act
var result = await cmd.ExecuteBufferedAsync();
var stdOutLines = result.StandardOutput.Split(Environment.NewLine);
// Assert
stdOutLines.Should().Contain(new[]
{
$"[{variableToKeep}] = foo",
$"[{variableToOverwrite}] = new bar"
});
stdOutLines.Should().NotContain(new[]
{
$"[{variableToOverwrite}] = bar",
$"[{variableToUnset}] = baz"
});
}
}