Fix:Add functionality authorize-cluster-security-group-ingress (#3742)

* Fix:Add functionality  authorize-cluster-security-group-ingress

* Added tests

* Added more test cases

tests/test_redshift/test_redshift.py

@@ -616,6 +616,58 @@ def test_create_cluster_subnet_group():
     set(subnet_ids).should.equal(set([subnet1.id, subnet2.id]))
 
 
+@mock_redshift
+def test_authorize_security_group_ingress():
+    iam_roles_arn = ["arn:aws:iam:::role/my-iam-role"]
+    client = boto3.client("redshift", region_name="us-east-1")
+    cluster_identifier = "my_cluster"
+
+    client.create_cluster(
+        ClusterIdentifier=cluster_identifier,
+        NodeType="single-node",
+        MasterUsername="username",
+        MasterUserPassword="password",
+        IamRoles=iam_roles_arn,
+    )
+
+    client.create_cluster_security_group(
+        ClusterSecurityGroupName="security_group",
+        Description="security_group_description",
+    )
+
+    response = client.authorize_cluster_security_group_ingress(
+        ClusterSecurityGroupName="security_group", CIDRIP="192.168.10.0/28"
+    )
+
+    assert (
+        response.get("ClusterSecurityGroup").get("ClusterSecurityGroupName")
+        == "security_group"
+    )
+    assert (
+        response.get("ClusterSecurityGroup").get("Description")
+        == "security_group_description"
+    )
+    assert (
+        response.get("ClusterSecurityGroup").get("IPRanges")[0].get("Status")
+        == "authorized"
+    )
+    assert (
+        response.get("ClusterSecurityGroup").get("IPRanges")[0].get("CIDRIP")
+        == "192.168.10.0/28"
+    )
+
+    with pytest.raises(ClientError) as ex:
+        client.authorize_cluster_security_group_ingress(
+            ClusterSecurityGroupName="invalid_security_group", CIDRIP="192.168.10.0/28"
+        )
+    assert ex.value.response["Error"]["Code"] == "ClusterSecurityGroupNotFoundFault"
+
+    assert (
+        ex.value.response["Error"]["Message"]
+        == "The cluster security group name does not refer to an existing cluster security group."
+    )
+
+
 @mock_redshift_deprecated
 @mock_ec2_deprecated
 def test_create_invalid_cluster_subnet_group():