executor: parse tracking_url and error on missing application_id

Co-Authored-By: Claude <noreply@anthropic.com>

internal/executor/spark_submit_parse_test.go

@@ -0,0 +1,79 @@
+package executor
+
+import "testing"
+
+func TestParseAppID_FromStdout(t *testing.T) {
+	stdout := "some prefix\nSubmitted application application_123_456\n"
+	stderr := "random log\n"
+	appID, trackingURL, ok := parseSparkSubmitOutput(stdout, stderr)
+	if !ok {
+		t.Fatal("expected ok")
+	}
+	if appID != "application_123_456" {
+		t.Errorf("appID=%q, want application_123_456", appID)
+	}
+	if trackingURL != "" {
+		t.Errorf("trackingURL=%q, want empty", trackingURL)
+	}
+}
+
+func TestParseAppID_FromStderr(t *testing.T) {
+	stdout := ""
+	stderr := "Submitted application application_123_456\n"
+	appID, trackingURL, ok := parseSparkSubmitOutput(stdout, stderr)
+	if !ok {
+		t.Fatal("expected ok")
+	}
+	if appID != "application_123_456" {
+		t.Errorf("appID=%q, want application_123_456", appID)
+	}
+	if trackingURL != "" {
+		t.Errorf("trackingURL=%q, want empty", trackingURL)
+	}
+}
+
+func TestParseAppID_FromTrackingURL(t *testing.T) {
+	stdout := ""
+	stderr := "Log line\ntracking URL: http://rm.example.com:8088/proxy/application_123_456/\n"
+	appID, trackingURL, ok := parseSparkSubmitOutput(stdout, stderr)
+	if !ok {
+		t.Fatal("expected ok")
+	}
+	if appID != "application_123_456" {
+		t.Errorf("appID=%q, want application_123_456", appID)
+	}
+	wantURL := "http://rm.example.com:8088/proxy/application_123_456/"
+	if trackingURL != wantURL {
+		t.Errorf("trackingURL=%q, want %q", trackingURL, wantURL)
+	}
+}
+
+func TestParseAppID_NoAppID(t *testing.T) {
+	stdout := ""
+	stderr := "some random log"
+	appID, trackingURL, ok := parseSparkSubmitOutput(stdout, stderr)
+	if ok {
+		t.Fatal("expected not ok")
+	}
+	if appID != "" {
+		t.Errorf("appID=%q, want empty", appID)
+	}
+	if trackingURL != "" {
+		t.Errorf("trackingURL=%q, want empty", trackingURL)
+	}
+}
+
+func TestParseAppID_BadTrackingURL(t *testing.T) {
+	stdout := ""
+	stderr := "tracking URL: http://rm.example.com:8088/proxy/not-an-app/\n"
+	appID, trackingURL, ok := parseSparkSubmitOutput(stdout, stderr)
+	if ok {
+		t.Fatal("expected not ok")
+	}
+	if appID != "" {
+		t.Errorf("appID=%q, want empty", appID)
+	}
+	if trackingURL != "" {
+		t.Errorf("trackingURL=%q, want empty", trackingURL)
+	}
+}