feat(tests): rds sub-module unit tests

Author: saumitra-dev

tests/rds_unit_tests.tftest.hcl

@@ -0,0 +1,232 @@
+provider "aws" {
+  region = "ap-south-1"
+}
+
+################################################################################
+# DB Instance
+################################################################################
+
+run "db_instance_attributes_match" {
+  command = plan
+
+  module {
+    source = "./modules/rds"
+  }
+
+  variables {
+    identifier          = "example-identifier"
+    instance_class      = "example-instance-class"
+    allocated_storage   = 1234
+    engine              = "example-engine"
+    engine_version      = "example-engine-version"
+    vpc_security_group_ids = ["sg-1234567890abcdef"]
+    db_name             = "example-db-name"
+    username            = "example-username"
+    skip_final_snapshot = true
+
+    db_subnet_group_name = "example-db-subnet-group-name"
+    db_subnet_group_subnet_ids = ["subnet-1234567890abcdef"]
+
+    db_parameter_group_name   = "example-db-parameter-group-name"
+    db_parameter_group_family = "example-db-parameter-group-family"
+
+    tags = {
+      Example = "Tag"
+    }
+  }
+
+  assert {
+    condition     = aws_db_instance.this.identifier == var.identifier
+    error_message = "Identifier mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.instance_class == var.instance_class
+    error_message = "Instance class mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.storage_type == var.storage_type
+    error_message = "Storage type mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.allocated_storage == var.allocated_storage
+    error_message = "Allocated storage mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.engine == var.engine
+    error_message = "Engine mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.engine_version == var.engine_version
+    error_message = "Engine version mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.vpc_security_group_ids == toset(var.vpc_security_group_ids)
+    error_message = "VPC security group ids mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.db_subnet_group_name == var.db_subnet_group_name
+    error_message = "Db subnet group name mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.parameter_group_name == var.db_parameter_group_name
+    error_message = "Db parameter group name mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.db_name == var.db_name
+    error_message = "Db name mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.username == var.username
+    error_message = "Username mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.manage_master_user_password == true
+    error_message = "Manage master user password mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.skip_final_snapshot == var.skip_final_snapshot
+    error_message = "Skip final snapshot mismatch"
+  }
+
+  assert {
+    condition     = aws_db_instance.this.tags == var.tags
+    error_message = "Tags mismatch"
+  }
+}
+
+################################################################################
+# DB Subnet Group
+################################################################################
+
+run "db_subnet_group_attributes_match" {
+  command = plan
+
+  module {
+    source = "./modules/rds"
+  }
+
+  variables {
+    identifier          = "example-identifier"
+    instance_class      = "example-instance-class"
+    allocated_storage   = 1234
+    engine              = "example-engine"
+    engine_version      = "example-engine-version"
+    vpc_security_group_ids = ["sg-1234567890abcdef"]
+    db_name             = "example-db-name"
+    username            = "example-username"
+    skip_final_snapshot = null
+
+    db_subnet_group_name        = "example-db-subnet-group-name"
+    db_subnet_group_description = "example-db-subnet-group-description"
+    db_subnet_group_subnet_ids = ["subnet-1234567890abcdef"]
+    db_subnet_group_tags = {
+      ExampleDb = "SubnetGroupTag"
+    }
+
+    db_parameter_group_name   = "example-db-parameter-group-name"
+    db_parameter_group_family = "example-db-parameter-group-family"
+  }
+
+  assert {
+    condition     = aws_db_subnet_group.this.name == var.db_subnet_group_name
+    error_message = "Name mismatch"
+  }
+
+  assert {
+    condition     = aws_db_subnet_group.this.description == var.db_subnet_group_description
+    error_message = "Description mismatch"
+  }
+
+  assert {
+    condition     = aws_db_subnet_group.this.subnet_ids == toset(var.db_subnet_group_subnet_ids)
+    error_message = "Subnet ids mismatch"
+  }
+
+  assert {
+    condition     = aws_db_subnet_group.this.tags == var.db_subnet_group_tags
+    error_message = "Tags mismatch"
+  }
+}
+
+################################################################################
+# DB Parameter Group
+################################################################################
+
+run "db_parameter_group_attributes_match" {
+  command = plan
+
+  module {
+    source = "./modules/rds"
+  }
+
+  variables {
+    identifier          = "example-identifier"
+    instance_class      = "example-instance-class"
+    allocated_storage   = 1234
+    engine              = "example-engine"
+    engine_version      = "example-engine-version"
+    vpc_security_group_ids = ["sg-1234567890abcdef"]
+    db_name             = "example-db-name"
+    username            = "example-username"
+    skip_final_snapshot = null
+
+    db_subnet_group_name = "example-db-subnet-group-name"
+    db_subnet_group_subnet_ids = ["subnet-1234567890abcdef"]
+
+    db_parameter_group_name        = "example-db-parameter-group-name"
+    db_parameter_group_description = "example-db-parameter-group-description"
+    db_parameter_group_family      = "example-db-parameter-group-family"
+    db_parameter_group_parameters = [
+      {
+        name         = "example-param"
+        value        = "example-param-value"
+        apply_method = "pending-reboot"
+      }
+    ]
+    db_parameter_group_tags = {
+      ExampleDb = "ParameterGroupTag"
+    }
+  }
+
+  assert {
+    condition     = aws_db_parameter_group.this.name == var.db_parameter_group_name
+    error_message = "Name mismatch"
+  }
+
+  assert {
+    condition     = aws_db_parameter_group.this.description == var.db_parameter_group_description
+    error_message = "Description mismatch"
+  }
+
+  assert {
+    condition     = aws_db_parameter_group.this.family == var.db_parameter_group_family
+    error_message = "Family mismatch"
+  }
+
+  assert {
+    condition     = length(aws_db_parameter_group.this.parameter) == 1
+    error_message = "Parameter count mismatch"
+  }
+
+  assert {
+    condition     = tolist(aws_db_parameter_group.this.parameter)[0] == var.db_parameter_group_parameters[0]
+    error_message = "Parameter mismatch"
+  }
+
+  assert {
+    condition     = aws_db_parameter_group.this.tags == var.db_parameter_group_tags
+    error_message = "Tags mismatch"
+  }
+}