Initial continuous integration with Travis CI (#77)

.travis.yml

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+sudo: required
+
+services:
+  - docker
+
+script:
+  - docker build -f ci/Dockerfile -t neo-cli-ci .
+  - docker run neo-cli-ci /opt/ci/run-tests-in-docker.sh

ci/Dockerfile

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+FROM microsoft/dotnet:2.0-sdk
+
+# Install dependencies:
+RUN apt-get update && apt-get install -y \
+    libleveldb-dev \
+    sqlite3 \
+    libsqlite3-dev \
+    libunwind8-dev \
+    wget \
+    expect \
+    screen \
+    zip
+
+# APT cleanup to reduce image size
+RUN rm -rf /var/lib/apt/lists/*
+
+WORKDIR /opt
+
+# Get code to test
+ADD neo-cli /opt/neo-cli-github
+ADD ci /opt/ci
+
+WORKDIR /opt/neo-cli-github
+
+# Build the project
+RUN dotnet restore
+RUN dotnet publish -c Release
+RUN mv bin/Release/netcoreapp2.0/publish /opt/neo-cli
+
+WORKDIR /opt

ci/README.md

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+These are files for the continuous integration with Travis CI.
+
+On each code push, the following tasks are executed:
+
+* Build the latest code
+* Verify the basic neo-cli functionality using [expect](https://linux.die.net/man/1/expect)
+* Verify JSON-RPC functionality with curl
+
+The CI integration consists of the following parts:
+
+* `Dockerfile`: the system to build neo-cli and to run the tests
+* `build-and-test.sh`: this builds the Docker image, starts it and runs the tests inside. This is useful for testing the CI run on a local dev machine.
+* `run-tests-in-docker.sh`: is run inside the Docker container and executes the tests
+* `test-neo-cli.expect`: [expect](https://linux.die.net/man/1/expect) script which verifies neo-cli functionality

ci/build-and-test.sh

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+#!/bin/bash
+#
+# This script builds neo-cli with dotnet 2.0, and runs the tests.
+#
+CONTAINER_NAME="neo-cli-ci"
+
+# Get absolute path of code and ci folder. This allows to run this script from
+# anywhere, whether from inside this directory or outside.
+DIR_CI="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+DIR_BASE="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd )"
+# echo "CI directory: $DIR_CI"
+# echo "Base directory: $DIR_BASE"
+
+# Build the Docker image (includes building the current neo-cli code)
+# docker build --no-cache -f $DIR_CI/Dockerfile -t $CONTAINER_NAME $DIR_BASE
+docker build -f $DIR_CI/Dockerfile -t $CONTAINER_NAME $DIR_BASE
+
+# Stop already running containers
+CONTAINER=$(docker ps -aqf name=$CONTAINER_NAME)
+if [ -n "$CONTAINER" ]; then
+	echo "Stopping container named $CONTAINER_NAME"
+	docker stop $CONTAINER_NAME 1>/dev/null
+	echo "Removing container named $CONTAINER_NAME"
+	docker rm -f $CONTAINER_NAME 1>/dev/null
+fi
+
+# Start a new test container
+docker run --name $CONTAINER_NAME $CONTAINER_NAME /opt/ci/run-tests-in-docker.sh

ci/run-tests-in-docker.sh

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+#!/bin/bash
+#
+# This script is run inside the Docker container and tests neo-cli
+#
+set -e
+
+cd /opt/neo-cli
+
+# Run tests with expect
+expect /opt/ci/test-neo-cli.expect
+
+# Start neo-cli in background for additional JSON-RPC tests
+screen -dmS node1 bash -c "dotnet neo-cli.dll --rpc"
+
+# Wait a little bit
+sleep 3
+
+# Test a RPX smart contract query
+JSONRPC_RES=$( curl --silent \
+  --request POST \
+  --url localhost:10332/ \
+  --header 'accept: application/json' \
+  --header 'content-type: application/json' \
+  --data '{
+    "jsonrpc": "2.0",
+    "method": "invokefunction",
+    "params": [
+        "ecc6b20d3ccac1ee9ef109af5a7cdb85706b1df9",
+        "totalSupply"
+    ],
+    "id": 3
+  }' )
+
+echo "JSON-RPC response: $JSONRPC_RES"
+
+# Make sure we get a valid response
+echo ${JSONRPC_RES} | grep --quiet "00c10b746f74616c537570706c7967f91d6b7085db7c5aaf09f19eeec1ca3c0db2c6ec"
+
+# Make sure the response doesn't include "error"
+if echo ${JSONRPC_RES} | grep --quiet "\"error\""; then
+    echo "Error: \"error\" found in json-rpc response"
+    exit 1
+fi

ci/test-neo-cli.expect

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+#!/usr/bin/expect -f
+#
+# This script uses expect to test neo-cli
+#
+set timeout 2
+
+# Start neo-cli
+spawn dotnet neo-cli.dll --rpc
+
+# Expect the main input prompt
+expect {
+    "neo> " { }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+#
+# Test 'create wallet'
+#
+send "create wallet test-wallet.json\n"
+expect {
+    "password:" { send "asd\n" }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+expect {
+    "password:" { send "asd\n" }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+# Wallet creation requires a higher timeout
+set timeout 10
+
+expect {
+    "address:" { }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+# Set timeout back to default
+set timeout 2
+
+#
+# Test 'list address'
+#
+send "list address\n"
+
+expect {
+    -re "A.*" { }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+#
+# Test 'create address'
+#
+send "create address\n"
+
+expect {
+    "export addresses" { }
+    "neo> " { }
+    "error" { exit 2 }
+    timeout { exit 1 }
+}
+
+exit 0