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refactor: move ConstructPatterns into compiler package

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ConstructPatterns was never used except during compilation, so it
makes sense to have it closer where it is used. We could consider
making it even private function, as the pattern table construction
is quite specific to how compiler compiles and probably not that
reusable elsewhere.
This commit is contained in:
5684185+[email protected]
2023-10-19 12:38:18 +03:00
parent e010b2da9d
commit e28891abd5
3 changed files with 7 additions and 7 deletions
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vm/compiler/patterns_test.go
+92
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@@ -0,0 +1,92 @@
package compiler_test
import (
"reflect"
"testing"
"github.com/vsariola/sointu"
"github.com/vsariola/sointu/vm/compiler"
)
func TestPatternReusing(t *testing.T) {
song := sointu.Song{
Score: sointu.Score{
Length: 2,
RowsPerPattern: 8,
Tracks: []sointu.Track{{
Patterns: []sointu.Pattern{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}},
Order: sointu.Order{0, 1},
}, {
Patterns: []sointu.Pattern{{64, 1, 1, 1, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}},
Order: sointu.Order{0, 1},
}},
},
}
patterns, sequences, err := compiler.ConstructPatterns(&song)
if err != nil {
t.Fatalf("erorr constructing patterns: %v", err)
}
expectedSequences := [][]byte{{0, 1}, {0, 2}}
expectedPatterns := [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}}
if !reflect.DeepEqual(patterns, expectedPatterns) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
if !reflect.DeepEqual(sequences, expectedSequences) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
}
func TestUnnecessaryHolds(t *testing.T) {
song := sointu.Song{
Score: sointu.Score{
Length: 2,
RowsPerPattern: 8,
Tracks: []sointu.Track{{
Patterns: []sointu.Pattern{{64, 1, 1, 1, 0, 1, 0, 0}, {72, 0, 1, 0, 1, 0, 0, 0}},
Order: []int{0, 1},
}, {
Patterns: []sointu.Pattern{{64, 1, 1, 1, 0, 0, 1, 0}, {84, 0, 0, 0, 1, 1, 0, 0}},
Order: []int{0, 1},
}}},
}
patterns, sequences, err := compiler.ConstructPatterns(&song)
if err != nil {
t.Fatalf("erorr constructing patterns: %v", err)
}
expectedSequences := [][]byte{{0, 1}, {0, 2}}
expectedPatterns := [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {72, 0, 0, 0, 0, 0, 0, 0}, {84, 0, 0, 0, 0, 0, 0, 0}}
if !reflect.DeepEqual(patterns, expectedPatterns) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
if !reflect.DeepEqual(sequences, expectedSequences) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
}
func TestDontCares(t *testing.T) {
song := sointu.Song{
Score: sointu.Score{
Length: 2,
RowsPerPattern: 8,
Tracks: []sointu.Track{{
Patterns: []sointu.Pattern{{64, 1, 1, 1, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0}},
Order: []int{0, 1},
}, {
Patterns: []sointu.Pattern{{64, 1, 1, 1, 1, 1, 1, 1}, {1, 1, 1, 0, 0, 0, 0, 0}},
Order: []int{0, 1},
}},
},
}
patterns, sequences, err := compiler.ConstructPatterns(&song)
if err != nil {
t.Fatalf("erorr constructing patterns: %v", err)
}
expectedSequences := [][]byte{{0, 1}, {2, 1}}
expectedPatterns := [][]byte{{64, 1, 1, 1, 0, 0, 0, 0}, {1, 1, 1, 0, 0, 0, 0, 0}, {64, 1, 1, 1, 1, 1, 1, 1}}
if !reflect.DeepEqual(patterns, expectedPatterns) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
if !reflect.DeepEqual(sequences, expectedSequences) {
t.Fatalf("got different patterns than expected. got: %v expected: %v", patterns, expectedPatterns)
}
}