skip tests that depend on nonexistent or disabled models

dbt/exceptions.py

@@ -1,4 +1,5 @@
 from dbt.compat import basestring
+from dbt.logger import GLOBAL_LOGGER as logger
 
 
 class Exception(BaseException):
@@ -146,18 +147,20 @@ def ref_bad_context(model, target_model_name, target_model_package):
     raise_compiler_error(error_msg, model)
 
 
-def ref_target_not_found(model, target_model_name, target_model_package):
+def ref_target_not_found(model, target_model_name, target_model_package, warn=False):
     target_package_string = ''
 
     if target_model_package is not None:
         target_package_string = "in package '{}' ".format(target_model_package)
 
-    raise_compiler_error(
-        "Model '{}' depends on model '{}' {}which was not found."
-        .format(model.get('unique_id'),
-                target_model_name,
-                target_package_string),
-        model)
+    msg = ("Model '{}' depends on model '{}' {}which was not found or is"
+           " disabled".format(model.get('unique_id'),
+                              target_model_name,
+                              target_package_string))
+    if warn:
+        logger.debug("WARNING: {}".format(msg))
+    else:
+        raise_compiler_error(msg, model)
 
 
 def ref_disabled_dependency(model, target_model):

dbt/parser.py

@@ -91,11 +91,16 @@ def process_refs(flat_graph, current_project):
                 current_project,
                 node.get('package_name'))
 
+            node_is_test = (node.get('resource_type') == NodeType.Test)
             if target_model is None:
                 dbt.exceptions.ref_target_not_found(
                     node,
                     target_model_name,
-                    target_model_package)
+                    target_model_package,
+                    warn=node_is_test)
+
+                if node_is_test:
+                    continue
 
             if (dbt.utils.is_enabled(node) and not
                     dbt.utils.is_enabled(target_model)):

test/integration/001_simple_copy_test/models/schema.yml

@@ -0,0 +1,8 @@
+
+
+# Confirm that this does not throw an exception for
+# a missing ref to the disabled model
+disabled:
+    constraints:
+        unique:
+            - id