114 lines
2.5 KiB
Go
114 lines
2.5 KiB
Go
package packer
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import (
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"bytes"
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"cgl.tideland.biz/asserts"
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"testing"
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)
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func testUi() *BasicUi {
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return &BasicUi{
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Reader: new(bytes.Buffer),
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Writer: new(bytes.Buffer),
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}
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}
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func TestColoredUi(t *testing.T) {
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bufferUi := testUi()
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ui := &ColoredUi{UiColorYellow, UiColorRed, bufferUi}
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ui.Say("foo")
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result := readWriter(bufferUi)
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if result != "\033[1;33;40mfoo\033[0m\n" {
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t.Fatalf("invalid output: %s", result)
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}
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ui.Message("foo")
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result = readWriter(bufferUi)
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if result != "\033[0;33;40mfoo\033[0m\n" {
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t.Fatalf("invalid output: %s", result)
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}
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ui.Error("foo")
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result = readWriter(bufferUi)
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if result != "\033[1;31;40mfoo\033[0m\n" {
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t.Fatalf("invalid output: %s", result)
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}
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}
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func TestPrefixedUi(t *testing.T) {
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assert := asserts.NewTestingAsserts(t, true)
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bufferUi := testUi()
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prefixUi := &PrefixedUi{"mitchell", "bar", bufferUi}
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prefixUi.Say("foo")
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assert.Equal(readWriter(bufferUi), "mitchell: foo\n", "should have prefix")
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prefixUi.Message("foo")
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assert.Equal(readWriter(bufferUi), "bar: foo\n", "should have prefix")
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prefixUi.Error("bar")
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assert.Equal(readWriter(bufferUi), "mitchell: bar\n", "should have prefix")
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prefixUi.Say("foo\nbar")
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assert.Equal(readWriter(bufferUi), "mitchell: foo\nmitchell: bar\n", "should multiline")
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}
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func TestColoredUi_ImplUi(t *testing.T) {
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var raw interface{}
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raw = &ColoredUi{}
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if _, ok := raw.(Ui); !ok {
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t.Fatalf("ColoredUi must implement Ui")
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}
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}
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func TestPrefixedUi_ImplUi(t *testing.T) {
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var raw interface{}
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raw = &PrefixedUi{}
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if _, ok := raw.(Ui); !ok {
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t.Fatalf("PrefixedUi must implement Ui")
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}
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}
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func TestBasicUi_ImplUi(t *testing.T) {
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var raw interface{}
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raw = &BasicUi{}
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if _, ok := raw.(Ui); !ok {
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t.Fatalf("BasicUi must implement Ui")
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}
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}
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func TestBasicUi_Error(t *testing.T) {
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assert := asserts.NewTestingAsserts(t, true)
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bufferUi := testUi()
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bufferUi.Error("foo")
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assert.Equal(readWriter(bufferUi), "foo\n", "basic output")
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bufferUi.Error("5")
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assert.Equal(readWriter(bufferUi), "5\n", "formatting")
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}
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func TestBasicUi_Say(t *testing.T) {
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assert := asserts.NewTestingAsserts(t, true)
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bufferUi := testUi()
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bufferUi.Say("foo")
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assert.Equal(readWriter(bufferUi), "foo\n", "basic output")
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bufferUi.Say("5")
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assert.Equal(readWriter(bufferUi), "5\n", "formatting")
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}
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// This reads the output from the bytes.Buffer in our test object
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// and then resets the buffer.
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func readWriter(ui *BasicUi) (result string) {
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buffer := ui.Writer.(*bytes.Buffer)
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result = buffer.String()
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buffer.Reset()
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return
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}
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