Increased unit test coverage

Makefile

@@ -36,10 +36,17 @@ ldflags:=\
 	-X $(import_path)/build.Commit=$(commit) \
 	$(NULL)
 
+.PHONY: gen-mocks
+gen-mocks:
+	mockgen -source=provider/cluster_resource.go -destination=provider/cluster_resource_mock.go -package provider
+
 .PHONY: build
 build:
 	go build -ldflags="$(ldflags)" -o ${BINARY}
 
+generate-mocks:
+	mockgen -source=provider/cluster_resource.go -destination=provider/cluster_resource_mock.go -package provider
+
 .PHONY: install
 install: build
 	platform=$$(terraform version -json | jq -r .platform); \

go.mod

@@ -3,6 +3,7 @@ module github.com/openshift-online/terraform-provider-ocm
 go 1.17
 
 require (
+	github.com/golang/mock v1.4.4
 	github.com/hashicorp/go-version v1.3.0
 	github.com/hashicorp/terraform-plugin-framework v0.5.0
 	github.com/hashicorp/terraform-plugin-go v0.5.0

go.sum

@@ -106,6 +106,7 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
 github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
+github.com/golang/mock v1.4.4 h1:l75CXGRSwbaYNpl/Z2X1XIIAMSCquvXgpVZDhwEIJsc=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=