From a72b1853dda333956c00c7cd4d96161f195d84e5 Mon Sep 17 00:00:00 2001
From: pacien
Date: Fri, 19 Oct 2018 10:14:25 +0200
Subject: Add line coverage counter bubble

---
 src/CoverageListing.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'src/CoverageListing.js')

diff --git a/src/CoverageListing.js b/src/CoverageListing.js
index 6b5bc6d..72a5ea8 100644
--- a/src/CoverageListing.js
+++ b/src/CoverageListing.js
@@ -65,6 +65,13 @@ export class CoverageListing extends Component {
               .then(content => this.setState({ listingContent: content }));
   }
 
+  _lineCoverageString(coverage) {
+    const instructionCount = parseInt(coverage.ci) + parseInt(coverage.mi);
+    const branchCount = parseInt(coverage.cb) + parseInt(coverage.mb);
+    return coverage.ci + '/' + instructionCount + ' instructions covered, ' +
+           coverage.cb + '/' + branchCount + ' branches covered';
+  }
+
   _renderNone() {
     return (<div>No source file provided.</div>);
   }
@@ -76,10 +83,15 @@ export class CoverageListing extends Component {
   _renderLine(lineContent, lineNumber) {
     if (!(lineNumber in this.state.coverageMap))
       return (<li key={lineNumber}><pre>{lineContent}</pre></li>);
-    
+
     const coverage = this.state.coverageMap[lineNumber];
     const wellCovered = parseInt(coverage.mi) === 0 && parseInt(coverage.mb) === 0;
-    return (<li key={lineNumber} well-covered={wellCovered.toString()}><pre>{lineContent}</pre></li>);
+
+    return (
+      <li key={lineNumber} well-covered={wellCovered.toString()} title={this._lineCoverageString(coverage)}>
+        <pre>{lineContent}</pre>
+      </li>
+    );
   }
 
   _renderListing() {
-- 
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