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Integrate Go driver examples into automated build process #3239

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64befab
Integrate Go driver examples into automated build process
kirill-stepanishin Oct 8, 2025
3cb489d
improve consistency between root-level and glv-level examples
kirill-stepanishin Oct 15, 2025
6df0a43
Use gmodern TraversalSource for modern_traversals examples
kirill-stepanishin Oct 15, 2025
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15 changes: 9 additions & 6 deletions glv-examples/gremlin-go/basic_gremlin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,11 @@ import (
"github.com/apache/tinkerpop/gremlin-go/v3/driver"
)

var serverURL = "ws://localhost:8182/gremlin"
var vertexLabel = "person"

func main() {
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL)
if err != nil {
fmt.Println(err)
return
Expand All @@ -35,9 +38,9 @@ func main() {
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

// Basic Gremlin: adding and retrieving data
v1, err := g.AddV("person").Property("name", "marko").Next()
v2, err := g.AddV("person").Property("name", "stephen").Next()
v3, err := g.AddV("person").Property("name", "vadas").Next()
v1, err := g.AddV(vertexLabel).Property("name", "marko").Next()
v2, err := g.AddV(vertexLabel).Property("name", "stephen").Next()
v3, err := g.AddV(vertexLabel).Property("name", "vadas").Next()
v1Vertex, err := v1.GetVertex()
v2Vertex, err := v2.GetVertex()
v3Vertex, err := v3.GetVertex()
Expand All @@ -58,11 +61,11 @@ func main() {
}

// Retrieve the data from the "marko" vertex
marko, err := g.V().Has("person", "name", "marko").Values("name").Next()
marko, err := g.V().Has(vertexLabel, "name", "marko").Values("name").Next()
fmt.Println("name:", marko.GetString())

// Find the "marko" vertex and then traverse to the people he "knows" and return their data
peopleMarkoKnows, err := g.V().Has("person", "name", "marko").Out("knows").Values("name").ToList()
peopleMarkoKnows, err := g.V().Has(vertexLabel, "name", "marko").Out("knows").Values("name").ToList()
for _, person := range peopleMarkoKnows {
fmt.Println("marko knows", person.GetString())
}
Expand Down
31 changes: 15 additions & 16 deletions glv-examples/gremlin-go/connections.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,17 @@ import (
"github.com/apache/tinkerpop/gremlin-go/v3/driver"
)

var serverURL = "ws://localhost:8182/gremlin"
var vertexLabel = "connection"

func main() {
withRemote()
withConfigs()
}

func withRemote() {
// Creating the connection to the server
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
// Creating the connection to the server
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL)

// Error handling
if err != nil {
Expand All @@ -43,22 +46,18 @@ func withRemote() {
// Cleanup
defer driverRemoteConnection.Close()

// Creating the graph traversal
// Creating the graph traversal
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

// Drop existing vertices
prom := g.V().Drop().Iterate()
<-prom

// Simple query to verify connection
g.AddV().Iterate()
count, _ := g.V().Count().Next()
fmt.Println("Vertex count:", *count)
// Simple query to verify connection
g.AddV(vertexLabel).Iterate()
count, _ := g.V().HasLabel(vertexLabel).Count().Next()
fmt.Println("Vertex count:", *count)
}

func withConfigs() {
// Connecting to the server with customized configurations
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin",
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL,
func(settings *gremlingo.DriverRemoteConnectionSettings) {
settings.TraversalSource = "g"
settings.NewConnectionThreshold = 4
Expand All @@ -75,7 +74,7 @@ func withConfigs() {
defer driverRemoteConnection.Close()
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

g.AddV().Iterate()
count, _ := g.V().Count().Next()
fmt.Println("Vertex count:", *count)
}
g.AddV(vertexLabel).Iterate()
count, _ := g.V().HasLabel(vertexLabel).Count().Next()
fmt.Println("Vertex count:", *count)
}
3 changes: 2 additions & 1 deletion glv-examples/gremlin-go/modern_traversals.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,10 @@ import (
var __ = gremlingo.T__
var T = gremlingo.T
var P = gremlingo.P
var serverURL = "ws://localhost:8182/gremlin"

func main() {
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL)
if err != nil {
fmt.Println(err)
return
Expand Down
8 changes: 7 additions & 1 deletion gremlin-go/docker-compose.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -60,10 +60,16 @@ services:
- RUN_BASIC_AUTH_INTEGRATION_TESTS=true
- GREMLIN_SOCKET_SERVER_URL=ws://gremlin-socket-server-go
- GREMLIN_SOCKET_SERVER_CONFIG_PATH=/go_app/gremlin-socket-server/conf/test-ws-gremlin.yaml
- VERTEX_LABEL=go-example
working_dir: /go_app
command: >
bash -c "go install github.com/gotesttools/gotestfmt/v2/cmd/gotestfmt@latest
&& go test -v -json ./... -race -covermode=atomic -coverprofile=\"coverage.out\" -coverpkg=./... | gotestfmt"
&& go test -v -json ./... -race -covermode=atomic -coverprofile=\"coverage.out\" -coverpkg=./... | gotestfmt
&& echo 'Running examples...'
&& go run examples/basic_gremlin.go
&& go run examples/connections.go
&& go run examples/modern_traversals.go
&& echo 'All examples completed successfully'"
depends_on:
gremlin-server-test:
condition: service_healthy
Expand Down
25 changes: 18 additions & 7 deletions gremlin-go/examples/basic_gremlin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,12 +21,23 @@ package main

import (
"fmt"
"os"

"github.com/apache/tinkerpop/gremlin-go/v3/driver"
)

var serverURL = getEnv("GREMLIN_SERVER_URL", "ws://localhost:8182/gremlin")
var vertexLabel = getEnv("VERTEX_LABEL", "person")

func getEnv(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}

func main() {
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL)
if err != nil {
fmt.Println(err)
return
Expand All @@ -35,9 +46,9 @@ func main() {
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

// Basic Gremlin: adding and retrieving data
v1, err := g.AddV("person").Property("name", "marko").Next()
v2, err := g.AddV("person").Property("name", "stephen").Next()
v3, err := g.AddV("person").Property("name", "vadas").Next()
v1, err := g.AddV(vertexLabel).Property("name", "marko").Next()
v2, err := g.AddV(vertexLabel).Property("name", "stephen").Next()
v3, err := g.AddV(vertexLabel).Property("name", "vadas").Next()
v1Vertex, err := v1.GetVertex()
v2Vertex, err := v2.GetVertex()
v3Vertex, err := v3.GetVertex()
Expand All @@ -58,12 +69,12 @@ func main() {
}

// Retrieve the data from the "marko" vertex
marko, err := g.V().Has("person", "name", "marko").Values("name").Next()
marko, err := g.V().Has(vertexLabel, "name", "marko").Values("name").Next()
fmt.Println("name:", marko.GetString())

// Find the "marko" vertex and then traverse to the people he "knows" and return their data
peopleMarkoKnows, err := g.V().Has("person", "name", "marko").Out("knows").Values("name").ToList()
peopleMarkoKnows, err := g.V().Has(vertexLabel, "name", "marko").Out("knows").Values("name").ToList()
for _, person := range peopleMarkoKnows {
fmt.Println("marko knows", person.GetString())
}
}
}
39 changes: 23 additions & 16 deletions gremlin-go/examples/connections.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,18 +21,29 @@ package main

import (
"fmt"
"os"

"github.com/apache/tinkerpop/gremlin-go/v3/driver"
)

var serverURL = getEnv("GREMLIN_SERVER_URL", "ws://localhost:8182/gremlin")
var vertexLabel = getEnv("VERTEX_LABEL", "connection")

func getEnv(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}

func main() {
withRemote()
withConfigs()
}

func withRemote() {
// Creating the connection to the server
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
// Creating the connection to the server
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL)

// Error handling
if err != nil {
Expand All @@ -43,22 +54,18 @@ func withRemote() {
// Cleanup
defer driverRemoteConnection.Close()

// Creating the graph traversal
// Creating the graph traversal
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

// Drop existing vertices
prom := g.V().Drop().Iterate()
<-prom

// Simple query to verify connection
g.AddV().Iterate()
count, _ := g.V().Count().Next()
fmt.Println("Vertex count:", *count)
// Simple query to verify connection
g.AddV(vertexLabel).Iterate()
count, _ := g.V().HasLabel(vertexLabel).Count().Next()
fmt.Println("Vertex count:", *count)
}

func withConfigs() {
// Connecting to the server with customized configurations
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin",
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL,
func(settings *gremlingo.DriverRemoteConnectionSettings) {
settings.TraversalSource = "g"
settings.NewConnectionThreshold = 4
Expand All @@ -75,7 +82,7 @@ func withConfigs() {
defer driverRemoteConnection.Close()
g := gremlingo.Traversal_().WithRemote(driverRemoteConnection)

g.AddV().Iterate()
count, _ := g.V().Count().Next()
fmt.Println("Vertex count:", *count)
}
g.AddV(vertexLabel).Iterate()
count, _ := g.V().HasLabel(vertexLabel).Count().Next()
fmt.Println("Vertex count:", *count)
}
14 changes: 13 additions & 1 deletion gremlin-go/examples/modern_traversals.go
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Original file line number Diff line number Diff line change
Expand Up @@ -21,16 +21,28 @@ package main

import (
"fmt"
"os"

"github.com/apache/tinkerpop/gremlin-go/v3/driver"
)

var __ = gremlingo.T__
var T = gremlingo.T
var P = gremlingo.P
var serverURL = getEnv("GREMLIN_SERVER_URL", "ws://localhost:8182/gremlin")

func getEnv(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
return value
}
return defaultValue
}

func main() {
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection("ws://localhost:8182/gremlin")
driverRemoteConnection, err := gremlingo.NewDriverRemoteConnection(serverURL,
func(settings *gremlingo.DriverRemoteConnectionSettings) {
settings.TraversalSource = "gmodern"
})
if err != nil {
fmt.Println(err)
return
Expand Down
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