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refactor: improve test case names #198

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merged 2 commits into from
Jun 28, 2023
Merged

refactor: improve test case names #198

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b2c7e2e
refactor: improve test case names for TestCorruptedEdsReturnsErrByzan…
rootulp Jun 26, 2023
395283d
Merge branch 'master' into rp/test-names
rootulp Jun 26, 2023
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71 changes: 41 additions & 30 deletions extendeddatacrossword_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -168,41 +168,52 @@ func TestCannotRepairSquareWithBadRoots(t *testing.T) {
}

func TestCorruptedEdsReturnsErrByzantineData(t *testing.T) {
bufferSize := 64
corruptChunk := bytes.Repeat([]byte{66}, bufferSize)
shareSize := 64
corruptChunk := bytes.Repeat([]byte{66}, shareSize)

tests := []struct {
name string
// Size of each share, in bytes
shareSize int
cells [][]byte
values [][]byte
name string
coords [][]uint
values [][]byte
}{
{"BadRow/OriginalData", bufferSize, [][]byte{{0, 0}}, [][]byte{corruptChunk}},
{"BadRow/ExtendedData", bufferSize, [][]byte{{0, 3}}, [][]byte{corruptChunk}},
{"BadColumn/OriginalData", bufferSize, [][]byte{{0, 0}, {0, 1}, {0, 2}, {0, 3}}, [][]byte{corruptChunk, nil, nil, nil}},
{"BadColumn/OriginalData", bufferSize, [][]byte{{3, 0}, {0, 1}, {0, 2}, {0, 3}}, [][]byte{corruptChunk, nil, nil, nil}},
{
name: "corrupt a chunk in the original data square",
coords: [][]uint{{0, 0}},
values: [][]byte{corruptChunk},
},
{
name: "corrupt a chunk in the extended data square",
coords: [][]uint{{0, 3}},
values: [][]byte{corruptChunk},
},
{
name: "corrupt a chunk at (0, 0) and delete shares from the rest of the row",
coords: [][]uint{{0, 0}, {0, 1}, {0, 2}, {0, 3}},
values: [][]byte{corruptChunk, nil, nil, nil},
},
{
name: "corrupt a chunk at (3, 0) and delete part of the first row ",
coords: [][]uint{{3, 0}, {0, 1}, {0, 2}, {0, 3}},
values: [][]byte{corruptChunk, nil, nil, nil},
},
}

for codecName, codec := range codecs {
t.Run(codecName, func(t *testing.T) {
original := createTestEds(codec, bufferSize)

var byzData *ErrByzantineData
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
corrupted, err := original.deepCopy(codec)
if err != nil {
t.Fatalf("unexpected err while copying original data: %v, codec: :%s", err, codecName)
}
for i := 0; i < len(test.cells); i++ {
corrupted.setCell(uint(test.cells[i][0]), uint(test.cells[i][1]), test.values[i])
}
err = corrupted.Repair(corrupted.getRowRoots(), corrupted.getColRoots())
if !errors.As(err, &byzData) {
// due to parallelisation, the ErrByzantineData axis may be either row or col
t.Errorf("did not return a ErrByzantineData for a bad col or row; got %v", err)
eds := createTestEds(codec, shareSize)
for i, coords := range test.coords {
x := coords[0]
y := coords[1]
eds.setCell(x, y, test.values[i])
}
err := eds.Repair(eds.getRowRoots(), eds.getColRoots())
assert.Error(t, err)

// due to parallelisation, the ErrByzantineData axis may be either row or col
var byzData *ErrByzantineData
assert.ErrorAs(t, err, &byzData, "did not return a ErrByzantineData for a bad col or row")
})
}
})
Expand Down Expand Up @@ -273,11 +284,11 @@ func BenchmarkRepair(b *testing.B) {
}
}

func createTestEds(codec Codec, bufferSize int) *ExtendedDataSquare {
ones := bytes.Repeat([]byte{1}, bufferSize)
twos := bytes.Repeat([]byte{2}, bufferSize)
threes := bytes.Repeat([]byte{3}, bufferSize)
fours := bytes.Repeat([]byte{4}, bufferSize)
func createTestEds(codec Codec, shareSize int) *ExtendedDataSquare {
ones := bytes.Repeat([]byte{1}, shareSize)
twos := bytes.Repeat([]byte{2}, shareSize)
threes := bytes.Repeat([]byte{3}, shareSize)
fours := bytes.Repeat([]byte{4}, shareSize)

eds, err := ComputeExtendedDataSquare([][]byte{
ones, twos,
Expand Down
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