add Don't See method

contracts/testing/test_response.go

@@ -1,6 +1,10 @@
 package testing
 
 type TestResponse interface {
+	IsSuccessful() bool
+	IsServerError() bool
+	Content() (string, error)
+	Json() (map[string]any, error)
 	AssertStatus(status int) TestResponse
 	AssertOk() TestResponse
 	AssertCreated() TestResponse
@@ -27,9 +31,12 @@ type TestResponse interface {
 	AssertInternalServerError() TestResponse
 	AssertServiceUnavailable() TestResponse
 	AssertHeader(headerName, value string) TestResponse
-	AssertHeaderMissing(headerName string) TestResponse
+	AssertHeaderMissing(string) TestResponse
 	AssertCookie(name, value string) TestResponse
-	AssertCookieExpired(name string) TestResponse
-	AssertCookieNotExpired(name string) TestResponse
-	AssertCookieMissing(name string) TestResponse
+	AssertCookieExpired(string) TestResponse
+	AssertCookieNotExpired(string) TestResponse
+	AssertCookieMissing(string) TestResponse
+	AssertSuccessful() TestResponse
+	AssertServerError() TestResponse
+	AssertDontSee([]string, ...bool) TestResponse
 }

testing/test_response.go

@@ -2,6 +2,7 @@ package testing
 
 import (
 	"fmt"
+	"html"
 	"io"
 	"net/http"
 	"testing"
@@ -37,6 +38,20 @@ func (r *TestResponseImpl) Json() (map[string]any, error) {
 	return testAble.Json(), nil
 }
 
+func (r *TestResponseImpl) IsSuccessful() bool {
+	statusCode := r.getStatusCode()
+	return statusCode >= 200 && statusCode < 300
+}
+
+func (r *TestResponseImpl) IsServerError() bool {
+	statusCode := r.getStatusCode()
+	return statusCode >= 500 && statusCode < 600
+}
+
+func (r *TestResponseImpl) Content() (string, error) {
+	return r.getContent()
+}
+
 func (r *TestResponseImpl) AssertStatus(status int) contractstesting.TestResponse {
 	actual := r.getStatusCode()
 	assert.Equal(r.t, status, actual, fmt.Sprintf("Expected response status code [%d] but received %d.", status, actual))
@@ -211,6 +226,39 @@ func (r *TestResponseImpl) AssertCookieMissing(name string) contractstesting.Tes
 	return r
 }
 
+func (r *TestResponseImpl) AssertSuccessful() contractstesting.TestResponse {
+	assert.True(r.t, r.IsSuccessful(), fmt.Sprintf("Expected response status code >=200, <300 but received %d.", r.getStatusCode()))
+
+	return r
+}
+
+func (r *TestResponseImpl) AssertServerError() contractstesting.TestResponse {
+	assert.True(r.t, r.IsServerError(), fmt.Sprintf("Expected response status code >=500, <600 but received %d.", r.getStatusCode()))
+
+	return r
+}
+
+func (r *TestResponseImpl) AssertDontSee(value []string, escaped ...bool) contractstesting.TestResponse {
+	content, err := r.getContent()
+	assert.Nil(r.t, err)
+
+	shouldEscape := true
+	if len(escaped) > 0 {
+		shouldEscape = escaped[0]
+	}
+
+	for _, v := range value {
+		checkValue := v
+		if shouldEscape {
+			checkValue = html.EscapeString(v)
+		}
+
+		assert.NotContains(r.t, content, checkValue, fmt.Sprintf("Response should not contain '%s', but it was found.", checkValue))
+	}
+
+	return r
+}
+
 func (r *TestResponseImpl) getStatusCode() int {
 	return r.response.StatusCode
 }