From c58dcb7230e6c8e4a9311a7a6afea042444d0a0f Mon Sep 17 00:00:00 2001
From: Mohammad Saddam Hossain <sddmhossain786@gmail.com>
Date: Sun, 8 Nov 2026 10:57:21 +0530
Subject: [PATCH] fix(report): hide the flaky trend chart when no run had flaky
 tests

Refs #165.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
---
 src/main/resources/report/partials/dashboard.html | 2 +-
 src/main/resources/report/report.js               | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/resources/report/partials/dashboard.html b/src/main/resources/report/partials/dashboard.html
index 6481345..b5f06a3 100644
--- a/src/main/resources/report/partials/dashboard.html
+++ b/src/main/resources/report/partials/dashboard.html
@@ -59,7 +59,7 @@
                     <div class="card-header">Suite Duration Trend (s)</div>
                     <div class="card-body"><canvas id="trendTimeChart"></canvas></div>
                 </div>
-                <div class="card chart-card">
+                <div class="card chart-card" id="trendFlakyCard">
                     <div class="card-header">Flaky Test Trend</div>
                     <div class="card-body"><canvas id="trendFlakyChart"></canvas></div>
                 </div>
diff --git a/src/main/resources/report/report.js b/src/main/resources/report/report.js
index 23e8b64..214f128 100644
--- a/src/main/resources/report/report.js
+++ b/src/main/resources/report/report.js
@@ -118,7 +118,12 @@ if (window.Chart && trendData.length >= 2) {
     });
     line('trendRateChart', 'Pass rate (%)', trendData.map(r => r.passRate), color('--good'), 100);
     line('trendTimeChart', 'Duration (s)', trendData.map(r => r.durationSec), color('--primary'));
-    line('trendFlakyChart', 'Flaky tests', trendData.map(r => r.flakyTests), color('--warn'));
+    // Hide the flaky card entirely when no run in the history had flaky tests.
+    if (trendData.some(r => r.flakyTests > 0)) {
+        line('trendFlakyChart', 'Flaky tests', trendData.map(r => r.flakyTests), color('--warn'));
+    } else {
+        document.getElementById('trendFlakyCard').style.display = 'none';
+    }
 }
 
 // ── Collapse / expand class groups ──