tests

context/param/parsers_test.go

@@ -0,0 +1,45 @@
+package param
+
+import "testing"
+import "reflect"
+import "time"
+
+type testDefinition struct {
+	strValue       string
+	expectedValue  interface{}
+	expectedParser paramParser
+}
+
+func Test_Parsers(t *testing.T) {
+	checkParser(testDefinition{"1", 1, intParser{}}, t)
+
+	checkParser(testDefinition{"1.0", 1.0, floatParser{}}, t)
+
+	checkParser(testDefinition{"1", "1", stringParser{}}, t)
+
+	checkParser(testDefinition{"true", true, boolParser{}}, t)
+
+	checkParser(testDefinition{"2017-05-30T13:54:53Z", time.Date(2017, 5, 30, 13, 54, 53, 0, time.UTC), timeParser{}}, t)
+
+	checkParser(testDefinition{`{"X": 5}`, struct{ X int }{5}, jsonParser{}}, t)
+
+	checkParser(testDefinition{`1,2`, []int{1, 2}, sliceParser(intParser{})}, t)
+}
+
+func checkParser(def testDefinition, t *testing.T) {
+	toType := reflect.TypeOf(def.expectedValue)
+	parser := getParser(&MethodParam{}, toType)
+
+	if reflect.TypeOf(parser) != reflect.TypeOf(def.expectedParser) {
+		t.Errorf("Invalid parser for value %v. Expected: %v, actual: %v", def.strValue, reflect.TypeOf(def.expectedParser).Name(), reflect.TypeOf(parser).Name())
+		return
+	}
+	result, err := parser.parse(def.strValue, toType)
+	if err != nil {
+		t.Errorf("Parsing error for value %v. Expected result: %v, error: %v", def.strValue, def.expectedValue, err)
+		return
+	}
+	if !reflect.DeepEqual(result, def.expectedValue) {
+		t.Errorf("Parsing error for value %v. Expected result: %v, actual: %v", def.strValue, def.expectedValue, result)
+	}
+}