feat(examples): Add expected CLI output for given inputs

Author: matevz

.github/workflows/ci-tests.yml

@@ -40,3 +40,10 @@ jobs:
       - name: Run tests
         run: |
           make test
+      - name: Check examples
+        run: |
+          make clean-examples
+          make examples
+          git diff --exit-code examples
+
+

Makefile

@@ -1,5 +1,7 @@
 include common.mk
 
+EXAMPLES := $(patsubst %.in,%.out,$(wildcard examples/*.in))
+
 # Check if Go's linkers flags are set in common.mk and add them as extra flags.
 ifneq ($(GOLDFLAGS),)
 	GO_EXTRA_FLAGS += -ldflags $(GOLDFLAGS)
@@ -13,6 +15,15 @@ build:
 	@$(ECHO) "$(MAGENTA)*** Building Go code...$(OFF)"
 	@$(GO) build -v -o oasis $(GOFLAGS) $(GO_EXTRA_FLAGS)
 
+examples: build $(EXAMPLES)
+
+examples/%.out: examples/%.in
+	@rm -f $@
+	@scripts/gen_example.sh $< $@
+
+clean-examples:
+	@rm -f examples/*.out
+
 # Format code.
 fmt:
 	@$(ECHO) "$(CYAN)*** Running Go formatters...$(OFF)"
@@ -64,6 +75,8 @@ clean:
 # List of targets that are not actual files.
 .PHONY: \
 	all build \
+	examples \
+	clean-examples \
 	fmt \
 	$(lint-targets) lint \
 	$(test-targets) test \