Poc add zombienet

.github/workflows/poc-zombienet.yml

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+name: PoC zombienet CI
+
+on:
+  push:
+    branches: [ poc-add-zombienet ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get zombienet
+        run: |
+          curl -L -O https://github.com/paritytech/zombienet/releases/download/v1.2.7/zombienet-linux
+          chmod +x zombienet-linux
+
+      - name: Get polkadot
+        run: |
+          curl -L -O https://github.com/paritytech/polkadot/releases/download/v0.9.15-1/polkadot
+          chmod +x polkadot
+
+      - name: Run test
+        run: |
+          export PATH=$(pwd):$PATH
+          echo "running on $(pwd)"
+          echo $PATH
+          ./zombienet-linux -p native test ./.zombienet-tests/0001-smoke-test.feature

.zombienet-tests/0001-custom.js

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+const polkadotApi = require("@polkadot/api");
+
+async function connect(apiUrl, types) {
+    const provider = new polkadotApi.WsProvider(apiUrl);
+    const api = new polkadotApi.ApiPromise({ provider, types });
+    await api.isReady;
+    return api;
+}
+
+async function run(nodeName, networkInfo, args) {
+    const {wsUri, userDefinedTypes} = networkInfo.nodesByName[nodeName];
+    const api = await connect(wsUri, userDefinedTypes);
+    const validator = await api.query.session.validators();
+    return validator.length;
+}
+
+module.exports = { run }

.zombienet-tests/0001-smoke-test.feature

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+Description: Smoke Test
+Network: ./0001-smoke-test.toml
+Creds: config
+
+
+alice: is up
+bob: is up
+alice: reports node_roles is 4
+alice: reports sub_libp2p_is_major_syncing is 0
+alice: reports block height is at least 2 within 15 seconds
+alice: reports peers count is at least 2
+bob: reports block height is at least 2 within 15 seconds
+bob: reports peers count is at least 2
+alice: js-script ./0001-custom.js return is greater than 1 within 200 seconds

.zombienet-tests/0001-smoke-test.toml

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+[settings]
+timeout = 1000
+#provider = "Podman"
+
+[relaychain]
+default_image = "parity/polkadot:latest"
+chain = "rococo-local"
+default_command = "polkadot"
+
+  [[relaychain.nodes]]
+  name = "alice"
+  extra_args = [ "--alice" ]
+
+  [[relaychain.nodes]]
+  name = "bob"
+  extra_args = [ "--bob" ]
+
+# [[parachains]]
+# id = 100
+# addToGenesis = true
+
+#   [parachains.collator]
+#   name = "collator01"
+#   image = "parity/colander:latest"
+#   command = "adder-collator"
+
+[types.Header]
+number = "u64"
+parent_hash = "Hash"
+post_state = "Hash"