98 lines
2.1 KiB
Go
98 lines
2.1 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() *ReaderWriterUi {
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return &ReaderWriterUi{
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new(bytes.Buffer),
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new(bytes.Buffer),
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}
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}
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func TestColoredUi(t *testing.T) {
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assert := asserts.NewTestingAsserts(t, true)
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bufferUi := testUi()
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ui := &ColoredUi{UiColorRed, bufferUi}
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ui.Say("foo")
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assert.Equal(readWriter(bufferUi), "\033[1;31;40mfoo\033[0m\n", "should have color")
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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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}
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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 TestReaderWriterUi_ImplUi(t *testing.T) {
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var raw interface{}
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raw = &ReaderWriterUi{}
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if _, ok := raw.(Ui); !ok {
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t.Fatalf("ReaderWriterUi must implement Ui")
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}
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}
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func TestReaderWriterUi_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 TestReaderWriterUi_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 *ReaderWriterUi) (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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