melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestFractionMap(t *testing.T) { pm := NewFractionMap(core.On(" 1:1 , 2:2, 3:4 "), core.MustParseSequence("c (e 4f) 8g")) if got, want := pm.S().Storex(), "sequence('1C (2E 2F) G')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestFractionMapNoColons(t *testing.T) { pm := NewFractionMap(core.On(" 1 , 2, 4 "), core.MustParseSequence("c (e 4f) 8g")) if got, want := pm.S().Storex(), "sequence('1C (2E 2F) G')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func Test_parseIndexFractions(t *testing.T) { m, err := parseIndexFractions("1:4 1:.2 1:16.") if err != nil { t.Fatal(err) } if got, want := m[0].at, 1; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[0].dotted, false; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[0].inverseFraction, 4; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[1].inverseFraction, 2; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[1].dotted, true; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[2].inverseFraction, 16; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } if got, want := m[2].dotted, true; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestFractionMap_Replaced(t *testing.T) { f := NewFractionMap(core.On("1"), core.MustParseSequence("C D")) if core.IsIdenticalTo(f, f.target) { t.Error("should not be identical") } if !core.IsIdenticalTo(f.Replaced(f.target, core.EmptySequence).(FractionMap).target, core.EmptySequence) { t.Error("not replaced") } if !core.IsIdenticalTo(f.Replaced(f, core.EmptySequence), core.EmptySequence) { t.Error("should be replaced by empty") } if !core.IsIdenticalTo(f.Replaced(core.EmptySequence, f), f) { t.Error("should be same") } f = NewFractionMap(core.On("1"), f) if !core.IsIdenticalTo(f.Replaced(f.target, core.EmptySequence).(FractionMap).target, core.EmptySequence) { t.Error("not replaced") } } func TestFractionMap_Invalid(t *testing.T) { f := NewFractionMap(core.On("1:3"), core.MustParseSequence("C D")) if got, want := f.S().Storex(), "sequence('')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFractionMap(core.On(""), core.MustParseSequence("C D")) if got, want := f.S().Storex(), "sequence('')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFractionMap(core.On("1:1"), core.MustParseSequence("C D")) if got, want := f.S().Storex(), "sequence('1C')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFractionMap(core.On("1:1"), Join{}) if got, want := f.S().Storex(), "sequence('')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } f = NewFractionMap(core.On("0:1"), core.MustParseSequence("C D")) if got, want := f.S().Storex(), "sequence('')"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func Test_parseIndexFractions_Fails(t *testing.T) { for _, each := range []struct { input string }{ {"2-2"}, {"0:2"}, {"1:3"}, {"1:a"}, {"a:a"}, } { _, err := parseIndexFractions(each.input) if err == nil { t.Fail() } else { t.Log(err) } } }