ci: run unit tests against sqlite and postgres

.github/workflows/main.yml

@@ -86,6 +86,8 @@ jobs:
       matrix:
         unit_type:
           - unit-race
+          - unit-race dbbackend=postgres
+
     steps:
       - name: git checkout
         uses: actions/checkout@v2

make/testing_flags.mk

@@ -1,5 +1,7 @@
 TEST_FLAGS =
-COVER_PKG = $$(go list -deps ./... | grep '$(PKG)')
+DEV_TAGS = dev
+COVER_PKG = $$(go list -deps -tags="$(DEV_TAGS)" ./... | grep '$(PKG)' | grep -v lnrpc)
+GOLIST := go list -tags="$(DEV_TAGS)" -deps $(PKG)/... | grep '$(PKG)'| grep -v '/vendor/'
 
 # If specific package is being unit tested, construct the full name of the
 # subpackage.
@@ -23,18 +25,28 @@ else
 TEST_FLAGS += -test.timeout=20m
 endif
 
+# If we are targetting postgres make sure our tests have the tags.
+ifeq ($(dbbackend),postgres)
+DEV_TAGS += test_db_postgres
+endif
+
+# Add any additional tags to the dev tags list.
+ifneq ($(tags),)
+DEV_TAGS += ${tags}
+endif
+
 # UNIT_TARGTED is undefined iff a specific package and/or unit test case is
 # not being targeted.
 UNIT_TARGETED ?= no
 
 # If a specific package/test case was requested, run the unit test for the
 # targeted case. Otherwise, default to running all tests.
 ifeq ($(UNIT_TARGETED), yes)
-UNIT := $(GOTEST) $(TEST_FLAGS) $(UNITPKG)
-UNIT_RACE := $(GOTEST) $(TEST_FLAGS) -race $(UNITPKG)
+UNIT := $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS) $(UNITPKG)
+UNIT_RACE := $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS) -race $(UNITPKG)
 endif
 
 ifeq ($(UNIT_TARGETED), no)
-UNIT := $(GOLIST) | $(XARGS) env $(GOTEST) $(TEST_FLAGS)
-UNIT_RACE := $(UNIT) -race
+UNIT := $(GOLIST) | $(XARGS) env $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS)
+UNIT_RACE := $(GOLIST) | $(XARGS) env $(GOTEST) -tags="$(DEV_TAGS)" -race $(TEST_FLAGS)
 endif