Add code to cpp-client/build.gradle to run tests in docker.

cpp-client/README.md

@@ -26,19 +26,27 @@ C++ compiler and tool suite (cmake etc).
 
 6. Build and install dependencies for Deephaven C++ client.
 
-   Decide on a directory for the dependencies to live (eg, "$HOME/dhcpp").
-   Create that directory and copy the `$DHSRC/deephaven-core/cpp-client/deephaven/client/build-dependencies.sh`
-   to it.  Edit the script if necessary to reflect your selection of build tools and build target
-   (defaults point to Ubuntu system's g++, cmake, and a Debug build target for cmake).
-   Run the script from the same directory you copied it to.
-   It will download, build and install the dependent libraries
+   Get the `build-dependencies.sh` script from Deephaven's base images repository
+   at `https://github.com/deephaven/deephaven-base-images/blob/main/cpp-client`
+   You can download it directly from the link
+   `https://github.com/deephaven/deephaven-base-images/raw/main/cpp-client/build-dependencies.sh`
+   (this script is also used from our automated tools, to generate a docker image to
+   support tests runs; that's why it lives in a separate repo).
+   The script downloads, builds and installs the dependent libraries
    (Protobuf, re2, gflags, absl, flatbuffers, c-ares, zlib, gRPC, and Arrow).
+   Edit your local copy of the script if necessary to reflect your selection
+   of build tools and build target;
+   defaults point to Ubuntu system's g++, cmake, and a Debug build target for cmake.
+   Comments in the script will help you in identifying customization points.
+   Decide on a directory for the dependencies to live (eg, "$HOME/dhcpp").
+   Create that directory, and run your local copy of `build-dependencies.sh` from
+   that directory.
 
-
+   Example:
    ```
    mkdir -p $HOME/dhcpp
    cd $HOME/dhcpp
-   cp $DHSRC/deephaven-core/cpp-client/deephaven/client/build-dependencies.sh .
+   wget https://github.com/deephaven/deephaven-base-images/raw/main/cpp-client/build-dependencies.sh
    # Maybe edit build-dependencies.sh to reflect choices of build tools and build target
    ./build-dependencies.sh
    ```

cpp-client/build.gradle

@@ -1,8 +1,12 @@
 plugins {
+    id 'com.bmuschko.docker-remote-api'
     id 'io.deephaven.project.register'
+    id 'io.deephaven.deephaven-in-docker'
     id 'license'
 }
 
+evaluationDependsOn Docker.registryProject('cpp-client-base')
+
 license {
     header rootProject.file('license-header')
     include '**/*.h'
@@ -19,3 +23,74 @@ tasks.getByName('licenseFormat').dependsOn(tasks.create("licenseFormatPy", com.h
 })
 
 project.tasks.getByName('quick').dependsOn project.tasks.getByName('license')
+
+// start a grpc-api server
+String randomSuffix = UUID.randomUUID().toString();
+deephavenDocker {
+    containerName.set "dh-server-for-cpp-${randomSuffix}"
+    networkName.set "cpp-test-network-${randomSuffix}"
+}
+
+def testCppClient = Docker.registerDockerTask(project, 'testCppClient') {
+    copyIn {
+        from(layout.projectDirectory) {
+            include 'cpp-tests-to-junit.sh'
+            include 'deephaven/CMakeLists.txt'
+            include 'deephaven/client/**'
+            include 'tests/CMakeLists.txt'
+            include 'tests/*.cc'
+            include 'tests/*.h'
+            include 'tests/third_party/**'
+        }
+    }
+    copyOut {
+        into layout.buildDirectory.dir('test-results')
+    }
+    dockerfile {
+        from('deephaven/cpp-client-base:local-build')
+        //
+        // Build client library.
+        //
+        runCommand('mkdir -p /cpp-client/deephaven/client /cpp-client/deephaven/build')
+        copyFile('deephaven/CMakeLists.txt', '/cpp-client/deephaven')
+        copyFile('deephaven/client', '/cpp-client/deephaven/client/')
+        runCommand('''set -eux; \\
+                      cd /cpp-client/deephaven/build; \\
+                      . /cpp-client/deps/env.sh; \\
+                      cmake -DCMAKE_INSTALL_PREFIX=/cpp-client/install ..; \\
+                      make -j\$NCPUS install; \\
+                      cd ..; \\
+                      rm -fr /cpp-client/deephaven/build
+                   ''')
+        //
+        // Build tests.
+        //
+        runCommand('mkdir -p /cpp-client/tests/build /cpp-client/install/bin /out')
+        copyFile('cpp-tests-to-junit.sh', '/cpp-client/install/bin')
+        copyFile('tests/*.cc', '/cpp-client/tests/')
+        copyFile('tests/*.h', '/cpp-client/tests/')
+        copyFile('tests/CMakeLists.txt', '/cpp-client/tests/')
+        copyFile('tests/third_party', '/cpp-client/tests/third_party/')
+        runCommand('''set -eux; \\
+                      cd /cpp-client/tests/build; \\
+                      . /cpp-client/deps/env.sh; \\
+                      cmake -DCMAKE_PREFIX_PATH=/cpp-client/install:$CMAKE_PREFIX_PATH ..; \\
+                      make -j\$NCPUS; \\
+                      mkdir -p /cpp-client/install/bin; \\
+                      cp -f /cpp-client/tests/build/tests /cpp-client/install/bin; \
+                      cd ..; \\
+                      rm -fr /cpp-client/tests/build
+                   ''')
+        //
+        // Setup for test run.
+        //
+        environmentVariable 'DH_HOST', deephavenDocker.containerName.get()
+        environmentVariable 'DH_PORT', '8080'
+    }
+    containerDependencies.dependsOn = [deephavenDocker.healthyTask]
+    containerDependencies.finalizedBy = deephavenDocker.endTask
+    network = deephavenDocker.networkName.get()
+    parentContainers = [ Docker.registryTask(project, 'cpp-client-base') ]
+    entrypoint = ['/cpp-client/install/bin/cpp-tests-to-junit.sh', '/out/cpp-test.xml', '/out/cpp-test.log']
+}
+tasks.check.dependsOn(testCppClient)

cpp-client/cpp-tests-to-junit.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+set -o xtrace
+
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 out.xml out.log" 1>&2
+    exit 1
+fi
+
+/cpp-client/install/bin/tests --reporter XML --out "$1" 2>&1 | tee "$2"