Add test for overriding list variable (#2099)

- Add override for "libraries".
- Remove complexvar - it serves no purpose - we already have map
variable ‘cluster’.

acceptance/bundle/variables/complex/databricks.yml

@@ -11,6 +11,7 @@ resources:
       - task_key: test
         job_cluster_key: key
         libraries: ${variables.libraries.value}
+        # specific fields of complex variable are referenced:
         task_key: "task with spark version ${var.cluster.spark_version} and jar ${var.libraries[0].jar}"
 
 variables:
@@ -35,14 +36,6 @@ variables:
       - jar: "/path/to/jar"
       - egg: "/path/to/egg"
       - whl: "/path/to/whl"
-  complexvar:
-    type: complex
-    description: "A complex variable"
-    default:
-      key1: "value1"
-      key2: "value2"
-      key3: "value3"
-
 
 targets:
   default:
@@ -51,15 +44,13 @@ targets:
     variables:
       node_type: "Standard_DS3_v3"
       cluster:
+        # complex variables are not merged, so missing variables (policy_id) are not inherited
         spark_version: "14.2.x-scala2.11"
         node_type_id: ${var.node_type}
         num_workers: 4
         spark_conf:
           spark.speculation: false
           spark.databricks.delta.retentionDurationCheck.enabled: false
-      complexvar:
-        type: complex
-        default:
-          key1: "1"
-          key2: "2"
-          key3: "3"
+      libraries:
+        - jar: "/newpath/to/jar"
+        - whl: "/newpath/to/whl"

acceptance/bundle/variables/complex/out.default.json

@@ -76,20 +76,6 @@
         "spark_version": "13.2.x-scala2.11"
       }
     },
-    "complexvar": {
-      "default": {
-        "key1": "value1",
-        "key2": "value2",
-        "key3": "value3"
-      },
-      "description": "A complex variable",
-      "type": "complex",
-      "value": {
-        "key1": "value1",
-        "key2": "value2",
-        "key3": "value3"
-      }
-    },
     "libraries": {
       "default": [
         {

acceptance/bundle/variables/complex/out.dev.json

@@ -32,16 +32,13 @@
             "job_cluster_key": "key",
             "libraries": [
               {
-                "jar": "/path/to/jar"
+                "jar": "/newpath/to/jar"
               },
               {
-                "egg": "/path/to/egg"
-              },
-              {
-                "whl": "/path/to/whl"
+                "whl": "/newpath/to/whl"
               }
             ],
-            "task_key": "task with spark version 14.2.x-scala2.11 and jar /path/to/jar"
+            "task_key": "task with spark version 14.2.x-scala2.11 and jar /newpath/to/jar"
           }
         ]
       }
@@ -70,43 +67,23 @@
         "spark_version": "14.2.x-scala2.11"
       }
     },
-    "complexvar": {
-      "default": {
-        "key1": "1",
-        "key2": "2",
-        "key3": "3"
-      },
-      "description": "A complex variable",
-      "type": "complex",
-      "value": {
-        "key1": "1",
-        "key2": "2",
-        "key3": "3"
-      }
-    },
     "libraries": {
       "default": [
         {
-          "jar": "/path/to/jar"
+          "jar": "/newpath/to/jar"
         },
         {
-          "egg": "/path/to/egg"
-        },
-        {
-          "whl": "/path/to/whl"
+          "whl": "/newpath/to/whl"
         }
       ],
       "description": "A libraries definition",
       "type": "complex",
       "value": [
         {
-          "jar": "/path/to/jar"
+          "jar": "/newpath/to/jar"
         },
         {
-          "egg": "/path/to/egg"
-        },
-        {
-          "whl": "/path/to/whl"
+          "whl": "/newpath/to/whl"
         }
       ]
     },

acceptance/bundle/variables/complex/output.txt

@@ -0,0 +1,14 @@
+
+>>> $CLI bundle validate -o json
+
+>>> jq .resources.jobs.my_job.tasks[0].task_key out.default.json
+"task with spark version 13.2.x-scala2.11 and jar /path/to/jar"
+
+>>> $CLI bundle validate -o json -t dev
+
+>>> jq .resources.jobs.my_job.tasks[0].task_key out.dev.json
+"task with spark version 14.2.x-scala2.11 and jar /newpath/to/jar"
+policy_id and spark_conf.spark_random fields do not exist in dev target:
+
+>>> jq .resources.jobs.my_job.job_clusters[0].new_cluster.policy_id out.dev.json
+null

acceptance/bundle/variables/complex/script

@@ -1,4 +1,8 @@
-$CLI bundle validate -o json | jq '{resources,variables}' > out.default.json
+trace $CLI bundle validate -o json | jq '{resources,variables}' > out.default.json
+trace jq .resources.jobs.my_job.tasks[0].task_key out.default.json | grep "task with spark version 13.2.x-scala2.11 and jar /path/to/jar"
 
-# spark.random and policy_id should be empty in this target:
-$CLI bundle validate -o json -t dev | jq '{resources,variables}' > out.dev.json
+trace $CLI bundle validate -o json -t dev | jq '{resources,variables}' > out.dev.json
+trace jq .resources.jobs.my_job.tasks[0].task_key out.dev.json | grep "task with spark version 14.2.x-scala2.11 and jar /newpath/to/jar"
+
+echo policy_id and spark_conf.spark_random fields do not exist in dev target:
+trace jq .resources.jobs.my_job.job_clusters[0].new_cluster.policy_id out.dev.json | grep null