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test(NODE-7462): add spec tests for disaggregated storage (#4904)
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‎test/spec/server-discovery-and-monitoring/rs/disaggregated_storage_setversion.json‎

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{
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"description": "Static setVersion (DSC) is compatible with both pre and post DRIVERS-2412",
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"uri": "mongodb://a/?replicaSet=rs",
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"phases": [
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{
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"responses": [
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[
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"a:27017",
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{
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"ok": 1,
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"helloOk": true,
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"isWritablePrimary": true,
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"hosts": [
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"a:27017",
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"b:27017"
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],
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000005"
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},
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"minWireVersion": 0,
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"maxWireVersion": 17
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}
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],
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[
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"b:27017",
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{
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"ok": 1,
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"helloOk": true,
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"isWritablePrimary": false,
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"secondary": true,
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"hosts": [
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"a:27017",
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"b:27017"
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],
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"setName": "rs",
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"setVersion": 1,
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"minWireVersion": 0,
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"maxWireVersion": 17
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}
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]
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],
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"outcome": {
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"servers": {
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"a:27017": {
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"type": "RSPrimary",
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000005"
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}
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},
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"b:27017": {
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"type": "RSSecondary",
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"setName": "rs",
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"setVersion": 1,
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"electionId": null
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}
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},
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"topologyType": "ReplicaSetWithPrimary",
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"logicalSessionTimeoutMinutes": null,
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"setName": "rs",
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"maxSetVersion": 1,
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"maxElectionId": {
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"$oid": "000000000000000000000005"
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}
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}
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},
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{
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"responses": [
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[
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"b:27017",
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{
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"ok": 1,
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"helloOk": true,
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"isWritablePrimary": true,
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"hosts": [
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"a:27017",
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"b:27017"
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],
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000006"
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},
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"minWireVersion": 0,
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"maxWireVersion": 17
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}
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]
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],
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"outcome": {
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"servers": {
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"a:27017": {
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"type": "Unknown",
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"setName": null,
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"setVersion": null,
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"electionId": null
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},
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"b:27017": {
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"type": "RSPrimary",
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000006"
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}
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}
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},
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"topologyType": "ReplicaSetWithPrimary",
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"logicalSessionTimeoutMinutes": null,
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"setName": "rs",
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"maxSetVersion": 1,
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"maxElectionId": {
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"$oid": "000000000000000000000006"
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}
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}
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},
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{
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"responses": [
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[
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"a:27017",
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{
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"ok": 1,
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"helloOk": true,
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"isWritablePrimary": true,
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"hosts": [
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"a:27017",
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"b:27017"
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],
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000005"
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},
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"minWireVersion": 0,
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"maxWireVersion": 17
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}
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]
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],
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"outcome": {
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"servers": {
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"a:27017": {
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"type": "Unknown",
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"setName": null,
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"setVersion": null,
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"electionId": null
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},
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"b:27017": {
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"type": "RSPrimary",
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"setName": "rs",
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"setVersion": 1,
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"electionId": {
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"$oid": "000000000000000000000006"
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}
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}
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},
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"topologyType": "ReplicaSetWithPrimary",
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"logicalSessionTimeoutMinutes": null,
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"setName": "rs",
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"maxSetVersion": 1,
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"maxElectionId": {
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"$oid": "000000000000000000000006"
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}
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}
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}
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]
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}

‎test/spec/server-discovery-and-monitoring/rs/disaggregated_storage_setversion.yml‎

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# Disaggregated storage clusters use a constant setVersion (typically 1) instead of
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# incrementing it on each reconfig. This test validates that primary staleness detection
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# works correctly using electionId when setVersion doesn't change.
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description: Static setVersion (DSC) is compatible with both pre and post DRIVERS-2412
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uri: "mongodb://a/?replicaSet=rs"
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phases:
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# Phase 1: Initial state - A is primary with electionId=5, setVersion=1
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- responses:
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-
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- "a:27017"
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- ok: 1
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helloOk: true
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isWritablePrimary: true
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hosts:
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- "a:27017"
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- "b:27017"
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000005"}
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minWireVersion: 0
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maxWireVersion: 17
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-
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- "b:27017"
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- ok: 1
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helloOk: true
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isWritablePrimary: false
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secondary: true
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hosts:
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- "a:27017"
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- "b:27017"
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setName: rs
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setVersion: 1
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minWireVersion: 0
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maxWireVersion: 17
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outcome:
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servers:
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a:27017:
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type: RSPrimary
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000005"}
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b:27017:
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type: RSSecondary
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setName: rs
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setVersion: 1
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electionId: null
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topologyType: ReplicaSetWithPrimary
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logicalSessionTimeoutMinutes: null
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setName: rs
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maxSetVersion: 1
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maxElectionId: {"$oid": "000000000000000000000005"}
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# Phase 2: B becomes primary with newer electionId=6, but setVersion stays at 1
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# The driver should accept B as the new primary and mark A as Unknown
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- responses:
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-
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- "b:27017"
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- ok: 1
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helloOk: true
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isWritablePrimary: true
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hosts:
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- "a:27017"
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- "b:27017"
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000006"}
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minWireVersion: 0
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maxWireVersion: 17
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outcome:
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servers:
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a:27017:
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type: Unknown
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setName: null
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setVersion: null
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electionId: null
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b:27017:
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type: RSPrimary
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000006"}
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topologyType: ReplicaSetWithPrimary
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logicalSessionTimeoutMinutes: null
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setName: rs
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maxSetVersion: 1
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maxElectionId: {"$oid": "000000000000000000000006"}
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# Phase 3: Old primary A tries to come back with stale electionId=5
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# Even though setVersion is still 1 (unchanged), the driver should reject A
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# because its electionId is older than the current maxElectionId=6
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- responses:
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-
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- "a:27017"
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- ok: 1
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helloOk: true
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isWritablePrimary: true
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hosts:
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- "a:27017"
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- "b:27017"
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000005"}
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minWireVersion: 0
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maxWireVersion: 17
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outcome:
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servers:
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a:27017:
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type: Unknown
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setName: null
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setVersion: null
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electionId: null
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b:27017:
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type: RSPrimary
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setName: rs
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setVersion: 1
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electionId: {"$oid": "000000000000000000000006"}
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topologyType: ReplicaSetWithPrimary
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logicalSessionTimeoutMinutes: null
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setName: rs
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maxSetVersion: 1
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maxElectionId: {"$oid": "000000000000000000000006"}

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