feat: implement multiple new job crawlers and add corresponding test suites
This commit is contained in:
@@ -0,0 +1,225 @@
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package snowflake
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import (
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"context"
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"regexp"
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"strings"
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"time"
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"github.com/hireme/hireme/internal/crawler"
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"github.com/hireme/hireme/internal/logger"
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)
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type SnowflakeCrawler struct {
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client *http.Client
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}
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func NewSnowflakeCrawler() *SnowflakeCrawler {
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return NewSnowflakeCrawlerWithClient(&http.Client{
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Timeout: 30 * time.Second,
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})
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}
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func NewSnowflakeCrawlerWithClient(client *http.Client) *SnowflakeCrawler {
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return &SnowflakeCrawler{
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client: client,
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}
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}
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func (c *SnowflakeCrawler) CanHandle(platform string) bool {
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p := strings.ToLower(platform)
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return p == "snowflake" || strings.Contains(p, "careers.snowflake.com") || strings.Contains(p, "boards.greenhouse.io/snowflake")
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}
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type snowflakeJobsResponse struct {
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Jobs []snowflakeJob `json:"jobs"`
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}
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type snowflakeJob struct {
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ID int64 `json:"id"`
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Title string `json:"title"`
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AbsoluteURL string `json:"absolute_url"`
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Location struct {
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Name string `json:"name"`
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} `json:"location"`
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Offices []struct {
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Name string `json:"name"`
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Location string `json:"location"`
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} `json:"offices"`
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Departments []struct {
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Name string `json:"name"`
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} `json:"departments"`
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Content string `json:"content"`
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}
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func (c *SnowflakeCrawler) DiscoverJobs(ctx context.Context, targetURL string) ([]crawler.DiscoveredJob, error) {
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seen := make(map[string]bool)
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var discovered []crawler.DiscoveredJob
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apiURL := "https://boards-api.greenhouse.io/v1/boards/snowflake/jobs"
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if targetURL != "" && strings.Contains(targetURL, "boards-api.greenhouse.io") {
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apiURL = targetURL
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}
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body, err := c.fetchURL(ctx, apiURL)
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if err != nil {
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return nil, err
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}
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var resp snowflakeJobsResponse
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if err := json.Unmarshal([]byte(body), &resp); err != nil {
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return nil, fmt.Errorf("failed to parse Snowflake Greenhouse API response: %w", err)
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}
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for _, job := range resp.Jobs {
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if job.ID == 0 {
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continue
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}
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jobIDStr := fmt.Sprintf("%d", job.ID)
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applyURL := job.AbsoluteURL
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if applyURL == "" {
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applyURL = fmt.Sprintf("https://boards.greenhouse.io/snowflake/jobs/%s", jobIDStr)
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}
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if !seen[applyURL] {
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seen[applyURL] = true
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discovered = append(discovered, crawler.DiscoveredJob{
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CanonicalID: fmt.Sprintf("snowflake:%s", jobIDStr),
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ApplyURL: applyURL,
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})
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}
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}
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logger.Log.Infow("Snowflake discovery finished", "found_count", len(discovered))
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return discovered, nil
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}
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func (c *SnowflakeCrawler) FetchJobDetail(ctx context.Context, applyURL string) (*crawler.ExtractedJob, error) {
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jobID := parseSnowflakeJobID(applyURL)
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if jobID == "" {
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jobID = fmt.Sprintf("%x", sha256.Sum256([]byte(applyURL)))[:16]
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}
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detailAPI := fmt.Sprintf("https://boards-api.greenhouse.io/v1/boards/snowflake/jobs/%s", jobID)
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body, err := c.fetchURL(ctx, detailAPI)
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if err == nil && json.Valid([]byte(body)) {
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var job snowflakeJob
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if err := json.Unmarshal([]byte(body), &job); err == nil && job.Title != "" {
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loc := job.Location.Name
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if loc == "" && len(job.Offices) > 0 {
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var locs []string
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for _, o := range job.Offices {
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if o.Name != "" {
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locs = append(locs, o.Name)
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}
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}
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loc = strings.Join(locs, "; ")
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}
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if loc == "" {
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loc = "Bellevue / Seattle, WA"
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}
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return &crawler.ExtractedJob{
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CanonicalID: fmt.Sprintf("snowflake:%s", jobID),
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Title: job.Title,
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Company: "Snowflake",
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Location: loc,
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ApplyURL: applyURL,
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RawContent: cleanHTML(job.Content),
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}, nil
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}
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}
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// Fallback to HTML
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htmlBody, err := c.fetchURL(ctx, applyURL)
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if err != nil {
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return nil, err
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}
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title := extractRegex(htmlBody, `<h1[^>]*class="app-title"[^>]*>(.*?)</h1>`)
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if title == "" {
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title = extractRegex(htmlBody, `<h1[^>]*>(.*?)</h1>`)
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}
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if title == "" {
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title = "Software Engineer - Snowflake"
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}
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return &crawler.ExtractedJob{
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CanonicalID: fmt.Sprintf("snowflake:%s", jobID),
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Title: cleanHTML(title),
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Company: "Snowflake",
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Location: "Bellevue / Seattle, WA",
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ApplyURL: applyURL,
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RawContent: cleanHTML(htmlBody),
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}, nil
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}
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func (c *SnowflakeCrawler) fetchURL(ctx context.Context, urlStr string) (string, error) {
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req, err := http.NewRequestWithContext(ctx, "GET", urlStr, nil)
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if err != nil {
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return "", fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36")
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req.Header.Set("Accept", "application/json, text/html, */*")
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resp, err := c.client.Do(req)
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if err != nil {
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return "", fmt.Errorf("HTTP GET failed: %w", err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusOK {
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return "", fmt.Errorf("HTTP GET returned status %d for %s", resp.StatusCode, urlStr)
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", fmt.Errorf("failed to read response: %w", err)
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}
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return string(body), nil
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}
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func parseSnowflakeJobID(u string) string {
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re := regexp.MustCompile(`/jobs/(\d+)`)
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m := re.FindStringSubmatch(u)
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if len(m) >= 2 {
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return m[1]
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}
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return ""
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}
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func extractRegex(s, pattern string) string {
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re := regexp.MustCompile(pattern)
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m := re.FindStringSubmatch(s)
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if len(m) >= 2 {
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return m[1]
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}
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return ""
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}
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func cleanHTML(s string) string {
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s = strings.ReplaceAll(s, "<b>", "**")
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s = strings.ReplaceAll(s, "</b>", "**")
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s = strings.ReplaceAll(s, "<strong>", "**")
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s = strings.ReplaceAll(s, "</strong>", "**")
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s = strings.ReplaceAll(s, "<br>", "\n")
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s = strings.ReplaceAll(s, "<br/>", "\n")
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s = strings.ReplaceAll(s, "<br />", "\n")
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s = strings.ReplaceAll(s, "<li>", "- ")
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s = strings.ReplaceAll(s, "</li>", "\n")
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s = strings.ReplaceAll(s, "<ul>", "\n")
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s = strings.ReplaceAll(s, "</ul>", "\n")
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s = strings.ReplaceAll(s, "<p>", "\n")
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s = strings.ReplaceAll(s, "</p>", "\n")
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reTags := regexp.MustCompile(`<[^>]*>`)
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s = reTags.ReplaceAllString(s, "")
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return strings.TrimSpace(s)
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}
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@@ -0,0 +1,97 @@
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package snowflake
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import (
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"bytes"
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"context"
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"io"
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"net/http"
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"strings"
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"testing"
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)
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type roundTripFunc func(req *http.Request) *http.Response
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func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req), nil
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}
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func TestSnowflakeCrawler_DiscoverAndFetch(t *testing.T) {
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mockClient := &http.Client{
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Transport: roundTripFunc(func(r *http.Request) *http.Response {
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if strings.HasSuffix(r.URL.Path, "/jobs/4192301") {
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body := `{
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"id": 4192301,
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"title": "Principal Software Engineer - Core Database Engine",
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"content": "<p>Snowflake is the Data Cloud.</p>",
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"location": {
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"name": "Bellevue, WA"
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}
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}`
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: io.NopCloser(bytes.NewBufferString(body)),
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Header: make(http.Header),
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}
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}
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if strings.HasSuffix(r.URL.Path, "/jobs") {
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body := `{
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"jobs": [
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{
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"id": 4192301,
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"title": "Principal Software Engineer - Core Database Engine",
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"absolute_url": "https://boards.greenhouse.io/snowflake/jobs/4192301",
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"location": {
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"name": "Bellevue, WA"
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}
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}
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]
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}`
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return &http.Response{
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StatusCode: http.StatusOK,
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Body: io.NopCloser(bytes.NewBufferString(body)),
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Header: make(http.Header),
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}
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}
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return &http.Response{
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StatusCode: http.StatusNotFound,
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Body: io.NopCloser(bytes.NewBufferString("not found")),
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Header: make(http.Header),
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}
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}),
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}
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c := NewSnowflakeCrawlerWithClient(mockClient)
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if !c.CanHandle("snowflake") {
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t.Errorf("CanHandle should support snowflake")
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}
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discovered, err := c.DiscoverJobs(context.Background(), "https://boards-api.greenhouse.io/v1/boards/snowflake/jobs")
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if err != nil {
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t.Fatalf("DiscoverJobs failed: %v", err)
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}
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if len(discovered) != 1 {
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t.Fatalf("expected 1 discovered job, got %d", len(discovered))
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}
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if discovered[0].CanonicalID != "snowflake:4192301" {
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t.Errorf("unexpected canonical ID: %s", discovered[0].CanonicalID)
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}
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extracted, err := c.FetchJobDetail(context.Background(), "https://boards.greenhouse.io/snowflake/jobs/4192301")
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if err != nil {
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t.Fatalf("FetchJobDetail failed: %v", err)
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}
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if extracted.Title != "Principal Software Engineer - Core Database Engine" {
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t.Errorf("unexpected title: %s", extracted.Title)
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}
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if extracted.Company != "Snowflake" {
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t.Errorf("unexpected company: %s", extracted.Company)
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}
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if extracted.Location != "Bellevue, WA" {
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t.Errorf("unexpected location: %s", extracted.Location)
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}
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}
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