Fix e2e tests

Signed-off-by: Émile Ré <emile@getprobo.com>

e2e/internal/testutil/mailpit.go

@@ -0,0 +1,101 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package testutil
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+)
+
+type (
+	MailpitMessage struct {
+		ID string `json:"id"`
+	}
+
+	MailpitSearchResponse struct {
+		Messages []MailpitMessage `json:"messages"`
+	}
+
+	MailpitLink struct {
+		URL string `json:"url"`
+	}
+
+	MailpitLinkCheckResponse struct {
+		Links []MailpitLink `json:"links"`
+	}
+)
+
+func (c *Client) SearchMails(query string) (*MailpitSearchResponse, error) {
+	req, err := http.NewRequest("GET", c.mailpitBaseURL+"/api/v1/search?query="+url.QueryEscape(query), nil)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("cannot read response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status %d: %s", resp.StatusCode, string(respBody))
+	}
+
+	var searchResp MailpitSearchResponse
+	if err := json.Unmarshal(respBody, &searchResp); err != nil {
+		return nil, fmt.Errorf("cannot decode response: %w", err)
+	}
+
+	return &searchResp, nil
+}
+
+func (c *Client) CheckMessageLinks(messageID string) (*MailpitLinkCheckResponse, error) {
+	req, err := http.NewRequest("GET", fmt.Sprintf("%s/api/v1/message/%s/link-check", c.mailpitBaseURL, messageID), nil)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	respBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("cannot read response: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status %d: %s", resp.StatusCode, string(respBody))
+	}
+
+	var linkCheckResp MailpitLinkCheckResponse
+	if err := json.Unmarshal(respBody, &linkCheckResp); err != nil {
+		return nil, fmt.Errorf("cannot decode response: %w", err)
+	}
+
+	return &linkCheckResp, nil
+}