fix: BQ/proto schema names should be compared lowercase (#1369)

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Fixes #1366☕️

.kokoro/dependencies.sh

@@ -38,15 +38,13 @@ function determineMavenOpts() {
       | sed -E 's/^(1\.[0-9]\.0).*$/\1/g'
   )
 
-  case $javaVersion in
-    "17")
+  if [[ $javaVersion == 17* ]]
+    then
       # MaxPermSize is no longer supported as of jdk 17
       echo -n "-Xmx1024m"
-      ;;
-    *)
+    else
       echo -n "-Xmx1024m -XX:MaxPermSize=128m"
-      ;;
-  esac
+    fi
 }
 
 export MAVEN_OPTS=$(determineMavenOpts)

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessage.java

@@ -124,7 +124,7 @@ private static DynamicMessage convertJsonToProtoMessageImpl(
       if (tableSchema != null) {
         // protoSchema is generated from tableSchema so their field ordering should match.
         fieldSchema = tableSchema.get(field.getIndex());
-        if (!fieldSchema.getName().equals(field.getName())) {
+        if (!fieldSchema.getName().toLowerCase().equals(field.getName())) {
           throw new ValidationException(
               "Field at index "
                   + field.getIndex()

google-cloud-bigquerystorage/src/main/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessage.java

@@ -123,7 +123,7 @@ private static DynamicMessage convertJsonToProtoMessageImpl(
       if (tableSchema != null) {
         // protoSchema is generated from tableSchema so their field ordering should match.
         fieldSchema = tableSchema.get(field.getIndex());
-        if (!fieldSchema.getName().equals(field.getName())) {
+        if (!fieldSchema.getName().toLowerCase().equals(field.getName())) {
           throw new ValidationException(
               "Field at index "
                   + field.getIndex()

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1/JsonToProtoMessageTest.java

@@ -552,6 +552,24 @@ public void testNumericMismatch() throws Exception {
     }
   }
 
+  @Test
+  public void testMixedCaseFieldNames() throws Exception {
+    TableFieldSchema field =
+        TableFieldSchema.newBuilder()
+            .setName("fooBar")
+            .setType(TableFieldSchema.Type.STRING)
+            .setMode(TableFieldSchema.Mode.NULLABLE)
+            .build();
+    TableSchema tableSchema = TableSchema.newBuilder().addFields(field).build();
+
+    JSONObject json = new JSONObject();
+    json.put("fooBar", "hello");
+
+    DynamicMessage protoMsg =
+        JsonToProtoMessage.convertJsonToProtoMessage(
+            TestMixedCaseFieldNames.getDescriptor(), tableSchema, json);
+  }
+
   @Test
   public void testBigNumericMismatch() throws Exception {
     TableFieldSchema field =

google-cloud-bigquerystorage/src/test/java/com/google/cloud/bigquery/storage/v1beta2/JsonToProtoMessageTest.java

@@ -574,6 +574,25 @@ public void testBigNumericMismatch() throws Exception {
     }
   }
 
+  @Test
+  public void testMixedCasedFieldNames() throws Exception {
+    com.google.cloud.bigquery.storage.v1.TableFieldSchema field =
+        com.google.cloud.bigquery.storage.v1.TableFieldSchema.newBuilder()
+            .setName("fooBar")
+            .setType(com.google.cloud.bigquery.storage.v1.TableFieldSchema.Type.STRING)
+            .setMode(com.google.cloud.bigquery.storage.v1.TableFieldSchema.Mode.NULLABLE)
+            .build();
+    com.google.cloud.bigquery.storage.v1.TableSchema tableSchema =
+        com.google.cloud.bigquery.storage.v1.TableSchema.newBuilder().addFields(field).build();
+
+    JSONObject json = new JSONObject();
+    json.put("fooBar", "hello");
+
+    DynamicMessage protoMsg =
+        com.google.cloud.bigquery.storage.v1.JsonToProtoMessage.convertJsonToProtoMessage(
+            TestMixedCaseFieldNames.getDescriptor(), tableSchema, json);
+  }
+
   @Test
   public void testDouble() throws Exception {
     TestDouble expectedProto = TestDouble.newBuilder().setDouble(1.2).setFloat(3.4f).build();

google-cloud-bigquerystorage/src/test/proto/jsonTest.proto

@@ -156,3 +156,7 @@ message TestNumeric {
 message TestBignumeric {
   repeated bytes bignumeric = 1;
 }
+
+message TestMixedCaseFieldNames {
+  required string foobar = 1;
+}