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Diffstat (limited to 'weed/shell/command_volume_fix_replication_test.go')
-rw-r--r--weed/shell/command_volume_fix_replication_test.go206
1 files changed, 206 insertions, 0 deletions
diff --git a/weed/shell/command_volume_fix_replication_test.go b/weed/shell/command_volume_fix_replication_test.go
new file mode 100644
index 000000000..0113b32e7
--- /dev/null
+++ b/weed/shell/command_volume_fix_replication_test.go
@@ -0,0 +1,206 @@
+package shell
+
+import (
+ "testing"
+
+ "github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+ "github.com/chrislusf/seaweedfs/weed/storage/super_block"
+)
+
+type testcase struct {
+ name string
+ replication string
+ existingLocations []location
+ possibleLocation location
+ expected bool
+}
+func TestSatisfyReplicaPlacementComplicated(t *testing.T) {
+
+ var tests = []testcase{
+ {
+ name: "test 100 negative",
+ replication: "100",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ },
+ possibleLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ expected: false,
+ },
+ {
+ name: "test 100 positive",
+ replication: "100",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ },
+ possibleLocation: location{"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ expected: true,
+ },
+ {
+ name: "test 022 positive",
+ replication: "022",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc1", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: true,
+ },
+ {
+ name: "test 022 negative",
+ replication: "022",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc1", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc1", "r4", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: false,
+ },
+ {
+ name: "test 210 moved from 200 positive",
+ replication: "210",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc3", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc1", "r4", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: true,
+ },
+ {
+ name: "test 210 moved from 200 negative extra dc",
+ replication: "210",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc3", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc4", "r4", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: false,
+ },
+ {
+ name: "test 210 moved from 200 negative extra data node",
+ replication: "210",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc2", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc3", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: false,
+ },
+ }
+
+ runTests(tests, t)
+
+}
+
+func TestSatisfyReplicaPlacement01x(t *testing.T) {
+
+ var tests = []testcase{
+ {
+ name: "test 011 same existing rack",
+ replication: "011",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn3"}},
+ expected: true,
+ },
+ {
+ name: "test 011 negative",
+ replication: "011",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn3"}},
+ expected: false,
+ },
+ {
+ name: "test 011 different existing racks",
+ replication: "011",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn3"}},
+ expected: true,
+ },
+ {
+ name: "test 011 different existing racks negative",
+ replication: "011",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r2", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r3", &master_pb.DataNodeInfo{Id: "dn3"}},
+ expected: false,
+ },
+ }
+
+ runTests(tests, t)
+
+}
+
+func TestSatisfyReplicaPlacement00x(t *testing.T) {
+
+ var tests = []testcase{
+ {
+ name: "test 001",
+ replication: "001",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ expected: true,
+ },
+ {
+ name: "test 002 positive",
+ replication: "002",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn3"}},
+ expected: true,
+ },
+ {
+ name: "test 002 negative, repeat the same node",
+ replication: "002",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ expected: false,
+ },
+ {
+ name: "test 002 negative, enough node already",
+ replication: "002",
+ existingLocations: []location{
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn1"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn2"}},
+ {"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn3"}},
+ },
+ possibleLocation: location{"dc1", "r1", &master_pb.DataNodeInfo{Id: "dn4"}},
+ expected: false,
+ },
+ }
+
+ runTests(tests, t)
+
+}
+
+func runTests(tests []testcase, t *testing.T) {
+ for _, tt := range tests {
+ replicaPlacement, _ := super_block.NewReplicaPlacementFromString(tt.replication)
+ println("replication:", tt.replication, "expected", tt.expected, "name:", tt.name)
+ if satisfyReplicaPlacement(replicaPlacement, tt.existingLocations, tt.possibleLocation) != tt.expected {
+ t.Errorf("%s: expect %v add %v to %s %+v",
+ tt.name, tt.expected, tt.possibleLocation, tt.replication, tt.existingLocations)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 08:35:31 +0000