feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 62 insertions, 0 deletions

diff --git a/vanilla/node_modules/istanbul-reports/lib/text-summary/index.js b/vanilla/node_modules/istanbul-reports/lib/text-summary/index.js
new file mode 100644
index 0000000..a9e6eab
--- /dev/null
+++ b/vanilla/node_modules/istanbul-reports/lib/text-summary/index.js
@@ -0,0 +1,62 @@
+/*
+ Copyright 2012-2015, Yahoo Inc.
+ Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
+ */
+'use strict';
+const { ReportBase } = require('istanbul-lib-report');
+
+class TextSummaryReport extends ReportBase {
+    constructor(opts) {
+        super();
+
+        opts = opts || {};
+        this.file = opts.file || null;
+    }
+
+    onStart(node, context) {
+        const summary = node.getCoverageSummary();
+        const cw = context.writer.writeFile(this.file);
+        const printLine = function(key) {
+            const str = lineForKey(summary, key);
+            const clazz = context.classForPercent(key, summary[key].pct);
+            cw.println(cw.colorize(str, clazz));
+        };
+
+        cw.println('');
+        cw.println(
+            '=============================== Coverage summary ==============================='
+        );
+        printLine('statements');
+        printLine('branches');
+        printLine('functions');
+        printLine('lines');
+        cw.println(
+            '================================================================================'
+        );
+        cw.close();
+    }
+}
+
+function lineForKey(summary, key) {
+    const metrics = summary[key];
+
+    key = key.substring(0, 1).toUpperCase() + key.substring(1);
+    if (key.length < 12) {
+        key += '                   '.substring(0, 12 - key.length);
+    }
+    const result = [
+        key,
+        ':',
+        metrics.pct + '%',
+        '(',
+        metrics.covered + '/' + metrics.total,
+        ')'
+    ].join(' ');
+    const skipped = metrics.skipped;
+    if (skipped > 0) {
+        return result + ', ' + skipped + ' ignored';
+    }
+    return result;
+}
+
+module.exports = TextSummaryReport;