plugin/timeouts - Allow ability to configure listening server timeouts (#5784)

plugin/timeouts/timeouts_test.go

@@ -0,0 +1,75 @@
+package timeouts
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/coredns/caddy"
+)
+
+func TestTimeouts(t *testing.T) {
+	tests := []struct {
+		input              string
+		shouldErr          bool
+		expectedRoot       string // expected root, set to the controller. Empty for negative cases.
+		expectedErrContent string // substring from the expected error. Empty for positive cases.
+	}{
+		// positive
+		{`timeouts {
+			read 30s
+		}`, false, "", ""},
+		{`timeouts {
+			read 1m
+			write 2m
+		}`, false, "", ""},
+		{` timeouts {
+			idle 1h
+		}`, false, "", ""},
+		{`timeouts {
+			read 10
+			write 20
+			idle 60
+		}`, false, "", ""},
+		// negative
+		{`timeouts`, true, "", "block with no timeouts specified"},
+		{`timeouts {
+		}`, true, "", "block with no timeouts specified"},
+		{`timeouts {
+			read 10s
+			giraffe 30s
+		}`, true, "", "unknown option"},
+		{`timeouts {
+			read 10s 20s
+			write 30s
+		}`, true, "", "Wrong argument"},
+		{`timeouts {
+			write snake
+		}`, true, "", "failed to parse duration"},
+		{`timeouts {
+			idle 0s
+		}`, true, "", "needs to be between"},
+		{`timeouts {
+			read 48h
+		}`, true, "", "needs to be between"},
+	}
+
+	for i, test := range tests {
+		c := caddy.NewTestController("dns", test.input)
+		err := setup(c)
+		//cfg := dnsserver.GetConfig(c)
+
+		if test.shouldErr && err == nil {
+			t.Errorf("Test %d: Expected error but found %s for input %s", i, err, test.input)
+		}
+
+		if err != nil {
+			if !test.shouldErr {
+				t.Errorf("Test %d: Expected no error but found one for input %s. Error was: %v", i, test.input, err)
+			}
+
+			if !strings.Contains(err.Error(), test.expectedErrContent) {
+				t.Errorf("Test %d: Expected error to contain: %v, found error: %v, input: %s", i, test.expectedErrContent, err, test.input)
+			}
+		}
+	}
+}