func TestParseArgumentSpecification(t *testing.T) {
t.Run("should set the name", func(t *testing.T) {
argument, err := specification.ParseArgumentSpecification("GALAXY_QUEST")
assert.OK(t, err)
assert.Equal(t, "GALAXY_QUEST", argument.Name)
})
t.Run("should set whether or not the argument is required", func(t *testing.T) {
argument, err := specification.ParseArgumentSpecification("GALAXY_QUEST")
assert.OK(t, err)
assert.Equal(t, true, argument.Required)
argument, err = specification.ParseArgumentSpecification("[MEMENTO]")
assert.OK(t, err)
assert.Equal(t, false, argument.Required)
})
t.Run("should expect a close bracket if an opening one is given", func(t *testing.T) {
_, err := specification.ParseArgumentSpecification("[MEMENTO")
assert.NotOK(t, err)
})
t.Run("should not expect any whitespace", func(t *testing.T) {
_, err := specification.ParseArgumentSpecification("GALAXY QUEST")
assert.NotOK(t, err)
})
t.Run("should always expect an identifier", func(t *testing.T) {
_, err := specification.ParseArgumentSpecification("")
assert.NotOK(t, err)
_, err = specification.ParseArgumentSpecification("[]")
assert.NotOK(t, err)
})
}
// AddArgument creates a parameters.Argument and adds it to the Definition. Duplicate argument names
// will result in an error.
func (d *Definition) AddArgument(value parameters.Value, spec string, desc string) {
arg, err := specification.ParseArgumentSpecification(spec)
if err != nil {
panic(fmt.Errorf("Error parsing argument specification: '%s'.", err.Error()))
}
arg.Value = value
arg.Description = desc
if _, ok := d.arguments[arg.Name]; ok {
panic(fmt.Errorf("Cannot redeclare argument with name '%s'.", arg.Name))
}
d.arguments[arg.Name] = arg
d.argumentKeys = append(d.argumentKeys, arg.Name)
}