Add e2e test for testing length on a file stream

Author: sebastianrath

tests_e2e/references/reference_group-port-collision.sh_l13

@@ -23,7 +23,7 @@ stack trace:
 github.com/actionforge/actrun-cli/nodes.init.39.func1
 	group@v1.go:128
 github.com/actionforge/actrun-cli/core.NewNodeInstance
-	base.go:566
+	base.go:598
 github.com/actionforge/actrun-cli/core.LoadNode
 	graph.go:599
 github.com/actionforge/actrun-cli/core.LoadNodes

tests_e2e/references/reference_length.sh_l10

@@ -0,0 +1,25 @@
+build hasn't expired yet
+looking for value: 'env_file'
+  no value (is optional) found for: 'env_file'
+looking for value: 'config_file'
+  no value (is optional) found for: 'config_file'
+looking for value: 'concurrency'
+  no value (is optional) found for: 'concurrency'
+looking for value: 'graph_file'
+  found value in: 'env (shell)'
+  evaluated to: 'length.act'
+looking for value: 'session_token'
+  no value (is optional) found for: 'session_token'
+looking for value: 'create_debug_session'
+  found value in flags
+  evaluated to: 'false'
+PushNodeVisit: start, execute: true
+🟢 Execute 'File Read (core-file-read-v1-banana-gold-fox)'
+PushNodeVisit: core-file-read-v1-banana-gold-fox, execute: true
+🟢 Execute 'Print (core-print-v1-apricot-teal-purple)'
+PushNodeVisit: core-print-v1-apricot-teal-purple, execute: true
+PushNodeVisit: (cached) core-file-read-v1-banana-gold-fox, execute: false
+PushNodeVisit: core-length-v1-grape-lobster-camel, execute: false
+PushNodeVisit: (cached) core-file-read-v1-banana-gold-fox, execute: false
+hello world
+11

tests_e2e/references/reference_run-python-embedded.sh_l13

@@ -27,7 +27,7 @@ stack trace:
 github.com/actionforge/actrun-cli/nodes.init.50.func1
 	nrun-python-embedded@v1.go:16
 github.com/actionforge/actrun-cli/core.NewNodeInstance
-	base.go:566
+	base.go:598
 github.com/actionforge/actrun-cli/core.LoadNode
 	graph.go:599
 github.com/actionforge/actrun-cli/core.LoadNodes

tests_e2e/scripts/length.act

@@ -0,0 +1,63 @@
+editor:
+  version:
+    created: v1.34.0
+entry: start
+type: standard
+nodes:
+  - id: start
+    type: core/start@v1
+    position:
+      x: -520
+      y: -110
+  - id: core-file-read-v1-banana-gold-fox
+    type: core/file-read@v1
+    position:
+      x: -170
+      y: -190
+    inputs:
+      path: length.txt
+  - id: core-print-v1-apricot-teal-purple
+    type: core/print@v1
+    position:
+      x: 620
+      y: -220
+    inputs:
+      values[0]: null
+      values[1]: null
+  - id: core-length-v1-grape-lobster-camel
+    type: core/length@v1
+    position:
+      x: 270
+      y: 40
+connections:
+  - src:
+      node: core-file-read-v1-banana-gold-fox
+      port: data
+    dst:
+      node: core-length-v1-grape-lobster-camel
+      port: input
+  - src:
+      node: core-length-v1-grape-lobster-camel
+      port: result
+    dst:
+      node: core-print-v1-apricot-teal-purple
+      port: values[1]
+  - src:
+      node: core-file-read-v1-banana-gold-fox
+      port: data
+    dst:
+      node: core-print-v1-apricot-teal-purple
+      port: values[0]
+executions:
+  - src:
+      node: core-file-read-v1-banana-gold-fox
+      port: exec-success
+    dst:
+      node: core-print-v1-apricot-teal-purple
+      port: exec
+  - src:
+      node: start
+      port: exec
+    dst:
+      node: core-file-read-v1-banana-gold-fox
+      port: exec

tests_e2e/scripts/length.sh

@@ -0,0 +1,11 @@
+echo "Test Length"
+
+TEST_NAME=length
+GRAPH_FILE="${ACT_GRAPH_FILES_DIR}${PATH_SEPARATOR}${TEST_NAME}.act"
+TEST_FILE="${ACT_GRAPH_FILES_DIR}${PATH_SEPARATOR}${TEST_NAME}.txt"
+cp $GRAPH_FILE $TEST_NAME.act
+cp $TEST_FILE $TEST_NAME.txt
+export ACT_GRAPH_FILE=$TEST_NAME.act
+
+#! test actrun
+

tests_e2e/scripts/length.txt

@@ -0,0 +1 @@
+hello world