Add test for RandDate func

apod/randomdate_test.go

@@ -0,0 +1,18 @@
+package apod
+
+import (
+	"regexp"
+	"testing"
+)
+
+// TestRandDate tests the RandDate func. We're not actually testing
+// much, there are many cases and we really can't test for all, we'll
+// have to run this test a lot of times for that. Even after that it
+// doesn't guarantee anything because our test itself is flawed.
+func TestRandDate(t *testing.T) {
+	date := RandDate()
+	re := regexp.MustCompile("((19|20)\\d\\d)-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01])")
+	if !re.MatchString(date) {
+		t.Errorf("Date format is incorrect, got %s, want YYYY-MM-DD.", date)
+	}
+}

build/ci/drone.yml

@@ -9,6 +9,7 @@ steps:
     GOARCH: amd64
     GOOS: openbsd
   commands:
+  - go test -v ./...
   - go build ./cmd/cetus
 
 - name: build-linux
@@ -17,6 +18,7 @@ steps:
     GOARCH: amd64
     GOOS: linux
   commands:
+  - go test -v ./...
   - go build ./cmd/cetus
 
 - name: build-darwin
@@ -25,4 +27,5 @@ steps:
     GOARCH: amd64
     GOOS: darwin
   commands:
+  - go test -v ./...
   - go build ./cmd/cetus