From 27bf619d5d2f0081ee7e27bcea7d91563e5aca7a Mon Sep 17 00:00:00 2001
From: Gian Merlino <gianmerlino@gmail.com>
Date: Tue, 27 Feb 2018 15:10:30 -0800
Subject: [PATCH] Test flattenSpecs where the referred-to object is missing.
 (#5318)

It worked, but it's still good to have a test.
---
 .../input/impl/InputRowParserSerdeTest.java   | 30 +++++++++++++++++--
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/api/src/test/java/io/druid/data/input/impl/InputRowParserSerdeTest.java b/api/src/test/java/io/druid/data/input/impl/InputRowParserSerdeTest.java
index 1a5d59f2f61..e8169628344 100644
--- a/api/src/test/java/io/druid/data/input/impl/InputRowParserSerdeTest.java
+++ b/api/src/test/java/io/druid/data/input/impl/InputRowParserSerdeTest.java
@@ -92,7 +92,11 @@ public class InputRowParserSerdeTest
     final MapInputRowParser parser = new MapInputRowParser(
         new JSONParseSpec(
             new TimestampSpec("timeposix", "posix", null),
-            new DimensionsSpec(DimensionsSpec.getDefaultSchemas(ImmutableList.of("foo", "bar")), ImmutableList.of("baz"), null),
+            new DimensionsSpec(
+                DimensionsSpec.getDefaultSchemas(ImmutableList.of("foo", "bar")),
+                ImmutableList.of("baz"),
+                null
+            ),
             null,
             null
         )
@@ -121,7 +125,11 @@ public class InputRowParserSerdeTest
     final MapInputRowParser parser = new MapInputRowParser(
         new JSONParseSpec(
             new TimestampSpec("timemillis", "millis", null),
-            new DimensionsSpec(DimensionsSpec.getDefaultSchemas(ImmutableList.of("foo", "values")), ImmutableList.of("toobig", "value"), null),
+            new DimensionsSpec(
+                DimensionsSpec.getDefaultSchemas(ImmutableList.of("foo", "values")),
+                ImmutableList.of("toobig", "value"),
+                null
+            ),
             null,
             null
         )
@@ -190,6 +198,7 @@ public class InputRowParserSerdeTest
     fields.add(JSONPathFieldSpec.createNestedField("baz2", "$.baz[2]"));
     fields.add(JSONPathFieldSpec.createNestedField("hey0barx", "$.hey[0].barx"));
     fields.add(JSONPathFieldSpec.createNestedField("metA", "$.met.a"));
+    fields.add(JSONPathFieldSpec.createNestedField("missing", "$.nonexistent.nested.field"));
     fields.add(JSONPathFieldSpec.createRootField("timestamp"));
     fields.add(JSONPathFieldSpec.createRootField("foo.bar1"));
 
@@ -212,7 +221,21 @@ public class InputRowParserSerdeTest
     final InputRow parsed = parser2.parse(
         "{\"blah\":[4,5,6], \"newmet\":5, \"foo\":{\"bar1\":\"aaa\", \"bar2\":\"bbb\"}, \"baz\":[1,2,3], \"timestamp\":\"2999\", \"foo.bar1\":\"Hello world!\", \"hey\":[{\"barx\":\"asdf\"}], \"met\":{\"a\":456}}"
     );
-    Assert.assertEquals(ImmutableList.of("foobar1", "foobar2", "baz0", "baz1", "baz2", "hey0barx", "metA", "timestamp", "foo.bar1", "blah", "newmet", "baz"), parsed.getDimensions());
+    Assert.assertEquals(ImmutableList.of(
+        "foobar1",
+        "foobar2",
+        "baz0",
+        "baz1",
+        "baz2",
+        "hey0barx",
+        "metA",
+        "missing",
+        "timestamp",
+        "foo.bar1",
+        "blah",
+        "newmet",
+        "baz"
+    ), parsed.getDimensions());
     Assert.assertEquals(ImmutableList.of("aaa"), parsed.getDimension("foobar1"));
     Assert.assertEquals(ImmutableList.of("bbb"), parsed.getDimension("foobar2"));
     Assert.assertEquals(ImmutableList.of("1"), parsed.getDimension("baz0"));
@@ -222,6 +245,7 @@ public class InputRowParserSerdeTest
     Assert.assertEquals(ImmutableList.of("asdf"), parsed.getDimension("hey0barx"));
     Assert.assertEquals(ImmutableList.of("456"), parsed.getDimension("metA"));
     Assert.assertEquals(ImmutableList.of("5"), parsed.getDimension("newmet"));
+    Assert.assertEquals(ImmutableList.of(), parsed.getDimension("missing"));
     Assert.assertEquals(DateTimes.of("2999").getMillis(), parsed.getTimestampFromEpoch());
 
     String testSpec = "{\"enabled\": true,\"useFieldDiscovery\": true, \"fields\": [\"parseThisRootField\"]}";