feat: run tests against local influxdb

.circleci/config.yml

@@ -6,7 +6,6 @@ commands:
         type: string
         default: "Client.Test"
     steps:
-      - checkout
       - run:
           name: Install Dependencies
           command: |
@@ -53,13 +52,32 @@ jobs:
     docker:
       - image: &default-dotnet-image "mcr.microsoft.com/dotnet/sdk:8.0"
     steps:
+      - checkout
       - client-test:
           project: "Client.Test"
   tests-integration:
     working_directory: ~/repo
     docker:
       - image: *default-dotnet-image
+      - image: influxdb:3-core
+        environment:
+          - INFLUXDB3_NODE_IDENTIFIER_PREFIX=node01
+          - INFLUXDB3_OBJECT_STORE=file
+          - INFLUXDB3_DB_DIR=/var/lib/influxdb3/data
     steps:
+      - checkout
+      - run:
+          name: Install jq
+          command: |
+            apt-get update
+            apt-get install -y jq
+      - run:
+          name: Setup InfluxDB service
+          command: |
+            ./Scripts/influxdb-setup.sh \
+              --export-url-as TESTING_INFLUXDB_URL \
+              --export-db-as TESTING_INFLUXDB_DATABASE \
+              --export-token-as TESTING_INFLUXDB_TOKEN
       - client-test:
           project: "Client.Test.Integration"
 

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Features
 
 1. [#164](https://github.com/InfluxCommunity/influxdb3-csharp/pull/164): Add function to get InfluxDB version.
+1. [#168](https://github.com/InfluxCommunity/influxdb3-csharp/pull/168): Run integration tests against a locally started InfluxDB 3 Core server.
 
 ## 1.2.0 [2025-05-22]
 

Client.Test.Integration/QueryWriteTest.cs

@@ -141,7 +141,7 @@ public async Task QueryWriteParameters()
     }
 
     [Test]
-    public void MaxReceiveMessageSize()
+    public async Task MaxReceiveMessageSize()
     {
         using var client = new InfluxDBClient(new ClientConfig
         {
@@ -154,6 +154,11 @@ public void MaxReceiveMessageSize()
             }
         });
 
+        // Make sure the measurement exists
+        var testId = DateTime.UtcNow.Millisecond;
+        await client.WriteRecordAsync($"integration_test,type=used value=1234.0,testId={testId}");
+
+
         var ex = Assert.ThrowsAsync<RpcException>(async () =>
         {
             await foreach (var _ in client.Query("SELECT value FROM integration_test"))

Scripts/influxdb-setup.sh

@@ -0,0 +1,123 @@
+#!/usr/bin/env bash
+#
+# The MIT License
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+set -e
+
+DEFAULT_INFLUXDB_DATABASE=my-db
+INFLUXDB_DATABASE="${INFLUXDB_DATABASE:-$DEFAULT_INFLUXDB_DATABASE}"
+
+#
+# Parse command line arguments
+#
+EXPORT_URL_ENV_VAR=""
+EXPORT_DB_ENV_VAR=""
+EXPORT_TOKEN_ENV_VAR=""
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --export-url-as)
+      EXPORT_URL_ENV_VAR="$2"
+      shift 2
+      ;;
+    --export-db-as)
+      EXPORT_DB_ENV_VAR="$2"
+      shift 2
+      ;;
+    --export-token-as)
+      EXPORT_TOKEN_ENV_VAR="$2"
+      shift 2
+      ;;
+    *)
+      echo "Unknown option $1"
+      exit 1
+      ;;
+  esac
+done
+
+#
+# Check prerequisites
+#
+for cmd in curl jq; do
+  command -v ${cmd} &>/dev/null || { echo "'${cmd}' is not installed"; exit 1; }
+done
+
+echo
+echo "Wait to start InfluxDB 3.0"
+echo
+for i in {1..30}; do
+  if curl -s -o /dev/null -w "%{http_code}" http://localhost:8181/ping | grep -q "401"; then
+    break
+  fi
+  echo "Attempt $i/30: Waiting for InfluxDB to respond with 401..."
+  sleep 1
+done
+echo "Done"
+
+echo
+echo "Create admin token"
+echo
+ADMIN_TOKEN=$(curl -s -X POST http://localhost:8181/api/v3/configure/token/admin | jq -r '.token')
+if [[ -z "$ADMIN_TOKEN" || "$ADMIN_TOKEN" == "null" ]]; then
+  echo "Failed to create admin token"
+  exit 1
+fi
+echo "ADMIN_TOKEN=$ADMIN_TOKEN"
+
+echo
+echo "Test the token"
+echo
+HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer ${ADMIN_TOKEN}" http://localhost:8181/ping)
+if [[ "$HTTP_CODE" != "200" ]]; then
+  echo "Token test failed with HTTP $HTTP_CODE"
+  exit 1
+fi
+echo "Done"
+
+echo
+echo "Create database"
+echo
+HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST "http://localhost:8181/api/v3/configure/database" \
+  -H "Authorization: Bearer ${ADMIN_TOKEN}" \
+  -H "Content-Type: application/json" \
+  -d "{\"db\":\"${INFLUXDB_DATABASE}\"}")
+if [[ "$HTTP_CODE" != "200" ]]; then
+  echo "Database creation failed with HTTP $HTTP_CODE"
+  exit 1
+fi
+echo "Done"
+
+#
+# Export results
+#
+
+export_var() {
+  local var_name="$1" var_value="$2"
+  [[ -n "$var_name" ]] || return
+  [[ -n "$BASH_ENV" ]] || { echo "\$BASH_ENV not available (not in CircleCI), cannot export variables."; exit 1; }
+  echo "Exporting $var_name=$var_value"
+  echo "export $var_name=$var_value" >> "$BASH_ENV"
+}
+
+echo
+export_var "$EXPORT_URL_ENV_VAR" "http://localhost:8181"
+export_var "$EXPORT_DB_ENV_VAR" "$INFLUXDB_DATABASE"
+export_var "$EXPORT_TOKEN_ENV_VAR" "$ADMIN_TOKEN"