melrōse musical expression player

package op import ( "testing" "github.com/emicklei/melrose/core" ) func TestMerge(t *testing.T) { for _, each := range []struct { top, bottom, result string }{ {"8F#3 8= 8F#3", "16C#5 16C# 16F# 8A 16A", "sequence('(8F#3 16C#5) 16C# 16F# (16= 8A) (8F#3 16=) 16A')"}, {"8a 8a", "16d 16d 16d 16d", "sequence('(8A 16D) 16D (8A 16D) 16D')"}, {"c", "d", "sequence('(C D)')"}, {"c", "1d", "sequence('(C 1D) 2.=')"}, {"=", "d", "sequence('D')"}, {"= = C (D E)", "= F = F F", "sequence('= F C (D E F) F')"}, {"> e <", "f", "sequence('> (E F) <')"}, {"> 8c 8= <", "16d 16d 16e 16e", "sequence('> (8C 16D) 16D 16E 16E <')"}, {"> C <", "> D <", "sequence('> (C D) <')"}, {"> C <", "> D <", "sequence('> (C D) <')"}, } { s1 := core.MustParseSequence(each.top) s2 := core.MustParseSequence(each.bottom) m := Merge{Target: []core.Sequenceable{s1, s2}} if got, want := m.S().Storex(), each.result; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } } func Test_compactGroup(t *testing.T) { for _, each := range []struct { in, out string }{ {"(C)", "sequence('C')"}, {"(C =)", "sequence('C')"}, {"(16= 16C#)", "sequence('16C#')"}, {"(16= 8A)", "sequence('(16= 8A)')"}, } { g := core.MustParseSequence(each.in) c := core.Sequence{Notes: [][]core.Note{compactGroup(g.Notes[0])}} if got, want := c.Storex(), each.out; got != want { t.Errorf("got [%v:%T] want [%v:%T] from [%s]", got, got, want, want, g.Storex()) } } } func TestMerge_Storex(t *testing.T) { s1 := core.MustParseSequence("C") m := Merge{Target: []core.Sequenceable{s1}} if got, want := m.Storex(), "merge(sequence('C'))"; got != want { t.Errorf("got [%v:%T] want [%v:%T]", got, got, want, want) } } func TestMerge_Replaced(t *testing.T) { s1 := core.MustParseSequence("C") s2 := core.MustParseSequence("D") m := Merge{Target: []core.Sequenceable{s1}} if core.IsIdenticalTo(m, s1) { t.Error("should not be identical") } if !core.IsIdenticalTo(m.Replaced(s1, s2).(Join).Target[0], s2) { t.Error("not replaced") } if !core.IsIdenticalTo(m.Replaced(m, s2), s2) { t.Error("should be replaced by s2") } }