func TestDefinition(t *testing.T) {
t.Run("Arguments()", func(t *testing.T) {
t.Run("should return an empty slice if no arguments have been added", func(t *testing.T) {
definition := console.NewDefinition()
assert.True(t, len(definition.Arguments()) == 0, "Arguments() length should be 0")
})
t.Run("should return an ordered slice of arguments", func(t *testing.T) {
var s1 string
var s2 string
var s3 string
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
definition.AddArgument(parameters.NewStringValue(&s2), "S2", "")
definition.AddArgument(parameters.NewStringValue(&s3), "S3", "")
arguments := definition.Arguments()
assert.True(t, len(arguments) == 3, "Arguments() length should be 3")
assert.Equal(t, "S1", arguments[0].Name)
assert.Equal(t, "S2", arguments[1].Name)
assert.Equal(t, "S3", arguments[2].Name)
})
})
t.Run("Options()", func(t *testing.T) {
t.Run("should return an empty slice if no options have been added", func(t *testing.T) {
definition := console.NewDefinition()
assert.True(t, len(definition.Options()) == 0, "Options() length should be 0")
})
t.Run("should return a slice of options", func(t *testing.T) {
var s1 string
var s2 string
var s3 string
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "--s1", "")
definition.AddOption(parameters.NewStringValue(&s2), "--s2", "")
definition.AddOption(parameters.NewStringValue(&s3), "--s3", "")
options := definition.Options()
assert.Equal(t, 3, len(options))
})
})
t.Run("AddArgument()", func(t *testing.T) {
t.Run("should error if an invalid option specification is given", func(t *testing.T) {
defer func() {
r := recover()
assert.False(t, r == nil, "We should be recovering from a panic.")
}()
var s1 string
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "!!! S1", "")
})
t.Run("should error if an argument with the same name exists", func(t *testing.T) {
defer func() {
r := recover()
assert.False(t, r == nil, "We should be recovering from a panic.")
}()
var s1 string
var s2 string
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
definition.AddArgument(parameters.NewStringValue(&s2), "S1", "")
})
t.Run("should add an argument", func(t *testing.T) {
var s1 string
definition := console.NewDefinition()
assert.Equal(t, 0, len(definition.Arguments()))
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
assert.Equal(t, 1, len(definition.Arguments()))
})
})
t.Run("AddOption()", func(t *testing.T) {
t.Run("should error if an invalid option specification is given", func(t *testing.T) {
defer func() {
r := recover()
assert.False(t, r == nil, "We should be recovering from a panic.")
}()
var s1 string
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "!!! S1", "")
})
t.Run("should error if an option with the same name exists", func(t *testing.T) {
defer func() {
r := recover()
assert.False(t, r == nil, "We should be recovering from a panic.")
}()
var s1 string
var s2 string
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "--s1", "")
definition.AddOption(parameters.NewStringValue(&s2), "--s1", "")
})
t.Run("should add an option", func(t *testing.T) {
var s1 string
definition := console.NewDefinition()
assert.Equal(t, 0, len(definition.Options()))
definition.AddOption(parameters.NewStringValue(&s1), "--s1", "")
assert.Equal(t, 1, len(definition.Options()))
})
})
}
func TestMapInput(t *testing.T) {
createInput := func(params []string) *console.Input {
return console.ParseInput(params)
}
t.Run("should map arguments to their reference values", func(t *testing.T) {
var s1 string
var s2 string
assert.Equal(t, "", s1)
assert.Equal(t, "", s2)
input := createInput([]string{"hello", "world"})
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
definition.AddArgument(parameters.NewStringValue(&s2), "S2", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
assert.Equal(t, "hello", s1)
assert.Equal(t, "world", s2)
})
t.Run("should error parsing arguments with invalid values", func(t *testing.T) {
var i1 int
assert.Equal(t, 0, i1)
input := createInput([]string{"foo"})
definition := console.NewDefinition()
definition.AddArgument(parameters.NewIntValue(&i1), "I1", "")
err := console.MapInput(definition, input)
assert.NotOK(t, err)
})
t.Run("should error when required arguments are missing from input", func(t *testing.T) {
var s1 string
var s2 string
assert.Equal(t, "", s1)
assert.Equal(t, "", s2)
input := createInput([]string{"foo"})
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
definition.AddArgument(parameters.NewStringValue(&s1), "S2", "")
err := console.MapInput(definition, input)
assert.NotOK(t, err)
})
t.Run("should not error when optional arguments are missing from input", func(t *testing.T) {
var s1 string
var s2 string
assert.Equal(t, "", s1)
assert.Equal(t, "", s2)
input := createInput([]string{"foo"})
definition := console.NewDefinition()
definition.AddArgument(parameters.NewStringValue(&s1), "S1", "")
definition.AddArgument(parameters.NewStringValue(&s1), "[S2]", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
assert.Equal(t, "foo", s1)
assert.Equal(t, "", s2)
})
t.Run("should map short options to their reference values", func(t *testing.T) {
var s1 string
var s2 string
assert.Equal(t, "", s1)
assert.Equal(t, "", s2)
input := createInput([]string{"-a=foo", "-b=bar"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "-a=S1", "")
definition.AddOption(parameters.NewStringValue(&s2), "-b=S2", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
assert.Equal(t, "foo", s1)
assert.Equal(t, "bar", s2)
})
t.Run("should map long options to their reference values", func(t *testing.T) {
var s1 string
var s2 string
assert.Equal(t, "", s1)
assert.Equal(t, "", s2)
input := createInput([]string{"--foo=bar", "--baz=qux"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "--foo=S1", "")
definition.AddOption(parameters.NewStringValue(&s2), "--baz=S2", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
assert.Equal(t, "bar", s1)
assert.Equal(t, "qux", s2)
})
t.Run("should ignore options that don't exist in the definition", func(t *testing.T) {
var s2 string
input := createInput([]string{"--foo=bar"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s2), "--baz=S2", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
})
t.Run("should error parsing an option that requires a value with no value", func(t *testing.T) {
var s1 string
input := createInput([]string{"--foo"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "--foo=s1", "")
err := console.MapInput(definition, input)
assert.NotOK(t, err)
})
t.Run("should not error parsing an option that doesn't require a value", func(t *testing.T) {
var s1 string
input := createInput([]string{"--foo"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewStringValue(&s1), "--foo=s1", "")
err := console.MapInput(definition, input)
assert.NotOK(t, err)
})
t.Run("should set flag option values where applicable", func(t *testing.T) {
var b1 bool
assert.Equal(t, false, b1)
input := createInput([]string{"--foo"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewBoolValue(&b1), "--foo", "")
err := console.MapInput(definition, input)
assert.OK(t, err)
assert.Equal(t, true, b1)
})
t.Run("should error parsing options with invalid values", func(t *testing.T) {
var i1 int
assert.Equal(t, 0, i1)
input := createInput([]string{"--foo=hello"})
definition := console.NewDefinition()
definition.AddOption(parameters.NewIntValue(&i1), "--foo=I1", "")
err := console.MapInput(definition, input)
assert.NotOK(t, err)
})
}
func TestNewDefinition(t *testing.T) {
definition := console.NewDefinition()
assert.True(t, definition != nil, "Definition should not be nil")
}