change: add unittest and examples for parseVariables

examples/variables_test.go

@@ -109,3 +109,50 @@ func TestCaseOverrideConfigVariables(t *testing.T) {
 		t.Fatalf("run testcase error: %v", err)
 	}
 }
+
+func TestCaseParseVariables(t *testing.T) {
+	testcase := &httpboomer.TestCase{
+		Config: httpboomer.TConfig{
+			Name:    "run request with functions",
+			BaseURL: "https://postman-echo.com",
+			Verify:  false,
+			Variables: map[string]interface{}{
+				"n":       5,
+				"a":       12.3,
+				"b":       3.45,
+				"varFoo1": "${gen_random_string($n)}",
+				"varFoo2": "${max($a, $b)}", // 12.3
+			},
+		},
+		TestSteps: []httpboomer.IStep{
+			httpboomer.Step("get with params").
+				WithVariables(map[string]interface{}{
+					"n":       3,
+					"b":       34.5,
+					"varFoo2": "${max($a, $b)}", // 34.5
+				}).
+				GET("/get").
+				WithParams(map[string]interface{}{"foo1": "$varFoo1", "foo2": "$varFoo2"}).
+				WithHeaders(map[string]string{"User-Agent": "HttpBoomer"}).
+				Extract().
+				WithJmesPath("body.args.foo1", "varFoo1").
+				Validate().
+				AssertEqual("status_code", 200, "check status code").
+				AssertLengthEqual("body.args.foo1", 5, "check args foo1").
+				AssertEqual("body.args.foo2", "34.5", "check args foo2"), // notice: request params value will be converted to string
+			httpboomer.Step("post json data with functions").
+				POST("/post").
+				WithHeaders(map[string]string{"User-Agent": "HttpBoomer"}).
+				WithJSON(map[string]interface{}{"foo1": "${gen_random_string($n)}", "foo2": "${max($a, $b)}"}).
+				Validate().
+				AssertEqual("status_code", 200, "check status code").
+				AssertLengthEqual("body.json.foo1", 5, "check args foo1").
+				AssertEqual("body.json.foo2", 12.3, "check args foo2"),
+		},
+	}
+
+	err := httpboomer.Test(t, testcase)
+	if err != nil {
+		t.Fatalf("run testcase error: %v", err)
+	}
+}