From 03394556b5e35677e942815233e53bbfe1d1d264 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Sun, 11 Nov 2018 18:05:40 +0000
Subject: [PATCH] Update semistandard linter to latest

---
 package.json                       |  2 +-
 test/saliency/userData.js          |  2 +-
 test/unit/deprecated-background.js |  6 ++---
 test/unit/deprecated-embed.js      | 42 +++++++++++++++---------------
 test/unit/extend.js                |  2 +-
 test/unit/failOnError.js           |  8 +++---
 test/unit/io.js                    | 32 +++++++++++------------
 test/unit/joinChannel.js           |  2 +-
 test/unit/metadata.js              |  6 ++---
 test/unit/rotate.js                |  6 ++---
 test/unit/threshold.js             |  2 +-
 11 files changed, 55 insertions(+), 55 deletions(-)

diff --git a/package.json b/package.json
index 3b11b74f..4dee913d 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "prebuild": "^8.1.2",
     "prebuild-ci": "^2.2.3",
     "rimraf": "^2.6.2",
-    "semistandard": "^12.0.1"
+    "semistandard": "^13.0.1"
   },
   "license": "Apache-2.0",
   "config": {
diff --git a/test/saliency/userData.js b/test/saliency/userData.js
index c5358d30..924f6062 100644
--- a/test/saliency/userData.js
+++ b/test/saliency/userData.js
@@ -22,7 +22,7 @@ const median = function (values) {
 // List of files
 fs.readdirSync(userDataDir).forEach(function (file) {
   // Contents of file
-  const lines = fs.readFileSync(path.join(userDataDir, file), {encoding: 'utf-8'}).split(/\r\n/);
+  const lines = fs.readFileSync(path.join(userDataDir, file), { encoding: 'utf-8' }).split(/\r\n/);
   // First line = number of entries
   const entries = parseInt(lines[0], 10);
   // Verify number of entries
diff --git a/test/unit/deprecated-background.js b/test/unit/deprecated-background.js
index 01e44c32..a2b832bf 100644
--- a/test/unit/deprecated-background.js
+++ b/test/unit/deprecated-background.js
@@ -8,7 +8,7 @@ describe('Deprecated background', function () {
   it('Flatten to RGB orange', function (done) {
     sharp(fixtures.inputPngWithTransparency)
       .flatten()
-      .background({r: 255, g: 102, b: 0})
+      .background({ r: 255, g: 102, b: 0 })
       .resize(400, 300)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -35,7 +35,7 @@ describe('Deprecated background', function () {
     const output = fixtures.path('output.flatten-rgb16-orange.jpg');
     sharp(fixtures.inputPngWithTransparency16bit)
       .flatten()
-      .background({r: 255, g: 102, b: 0})
+      .background({ r: 255, g: 102, b: 0 })
       .toFile(output, function (err, info) {
         if (err) throw err;
         assert.strictEqual(true, info.size > 0);
@@ -61,7 +61,7 @@ describe('Deprecated background', function () {
   it('extend all sides equally with RGB', function (done) {
     sharp(fixtures.inputJpg)
       .resize(120)
-      .background({r: 255, g: 0, b: 0})
+      .background({ r: 255, g: 0, b: 0 })
       .extend(10)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
diff --git a/test/unit/deprecated-embed.js b/test/unit/deprecated-embed.js
index 1937aa3a..5c095048 100644
--- a/test/unit/deprecated-embed.js
+++ b/test/unit/deprecated-embed.js
@@ -38,7 +38,7 @@ describe('Deprecated embed', function () {
   it('JPEG within WebP, to include alpha channel', function (done) {
     sharp(fixtures.inputJpg)
       .resize(320, 240)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed()
       .webp()
       .toBuffer(function (err, data, info) {
@@ -86,7 +86,7 @@ describe('Deprecated embed', function () {
     sharp(fixtures.inputPngWithTransparency16bit)
       .resize(32, 16)
       .embed()
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .toBuffer(function (err, data, info) {
         if (err) throw err;
         assert.strictEqual(true, data.length > 0);
@@ -102,7 +102,7 @@ describe('Deprecated embed', function () {
     sharp(fixtures.inputPngWithGreyAlpha)
       .resize(32, 16)
       .embed()
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .toBuffer(function (err, data, info) {
         if (err) throw err;
         assert.strictEqual(true, data.length > 0);
@@ -153,7 +153,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal northwest', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.northwest)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -169,7 +169,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal north', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.north)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -185,7 +185,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal northeast', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.northeast)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -201,7 +201,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal east', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.east)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -217,7 +217,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal southeast', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.southeast)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -233,7 +233,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal south', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.south)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -249,7 +249,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal southwest', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.southwest)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -265,7 +265,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal west', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.west)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -281,7 +281,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity horizontal center', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 100)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.center)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -297,7 +297,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical northwest', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.northwest)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -313,7 +313,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical north', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.north)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -329,7 +329,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical northeast', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.northeast)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -345,7 +345,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical east', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.east)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -361,7 +361,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical southeast', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.southeast)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -377,7 +377,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical south', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.south)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -393,7 +393,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical southwest', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.southwest)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -409,7 +409,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical west', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.west)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -425,7 +425,7 @@ describe('Deprecated embed', function () {
   it('Embed gravity vertical center', function (done) {
     sharp(fixtures.inputPngEmbed)
       .resize(200, 200)
-      .background({r: 0, g: 0, b: 0, alpha: 0})
+      .background({ r: 0, g: 0, b: 0, alpha: 0 })
       .embed(sharp.gravity.center)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
diff --git a/test/unit/extend.js b/test/unit/extend.js
index ca9b41ae..c17758a4 100644
--- a/test/unit/extend.js
+++ b/test/unit/extend.js
@@ -54,7 +54,7 @@ describe('Extend', function () {
   });
   it('partial object fails', function () {
     assert.throws(function () {
-      sharp().extend({top: 1});
+      sharp().extend({ top: 1 });
     });
   });
 
diff --git a/test/unit/failOnError.js b/test/unit/failOnError.js
index b6a2957f..6c607b83 100644
--- a/test/unit/failOnError.js
+++ b/test/unit/failOnError.js
@@ -49,8 +49,8 @@ describe('failOnError', function () {
   it('returns errors to callback for truncated JPEG when failOnError is set', function (done) {
     sharp(fixtures.inputJpgTruncated, { failOnError: true }).toBuffer(function (err, data, info) {
       assert.ok(err.message.includes('VipsJpeg: Premature end of JPEG file'), err);
-      assert.equal(data, null);
-      assert.equal(info, null);
+      assert.strictEqual(data, null);
+      assert.strictEqual(info, null);
       done();
     });
   });
@@ -58,8 +58,8 @@ describe('failOnError', function () {
   it('returns errors to callback for truncated PNG when failOnError is set', function (done) {
     sharp(fixtures.inputPngTruncated, { failOnError: true }).toBuffer(function (err, data, info) {
       assert.ok(err.message.includes('vipspng: libpng read error'), err);
-      assert.equal(data, null);
-      assert.equal(info, null);
+      assert.strictEqual(data, null);
+      assert.strictEqual(info, null);
       done();
     });
   });
diff --git a/test/unit/io.js b/test/unit/io.js
index 34b4b433..6dbce452 100644
--- a/test/unit/io.js
+++ b/test/unit/io.js
@@ -79,7 +79,7 @@ describe('Input/output', function () {
     const pipeline = sharp().resize(1, 1);
     fs.createReadStream(fixtures.inputJpg).pipe(pipeline);
     return pipeline
-      .toBuffer({resolveWithObject: false})
+      .toBuffer({ resolveWithObject: false })
       .then(function (data) {
         assert.strictEqual(true, data instanceof Buffer);
         assert.strictEqual(true, data.length > 0);
@@ -90,7 +90,7 @@ describe('Input/output', function () {
     const pipeline = sharp().resize(1, 1);
     fs.createReadStream(fixtures.inputJpg).pipe(pipeline);
     return pipeline
-      .toBuffer({resolveWithObject: true})
+      .toBuffer({ resolveWithObject: true })
       .then(function (object) {
         assert.strictEqual('object', typeof object);
         assert.strictEqual('object', typeof object.info);
@@ -106,7 +106,7 @@ describe('Input/output', function () {
   it('Read from File and write to Buffer via Promise resolved with Buffer', function () {
     return sharp(fixtures.inputJpg)
       .resize(1, 1)
-      .toBuffer({resolveWithObject: false})
+      .toBuffer({ resolveWithObject: false })
       .then(function (data) {
         assert.strictEqual(true, data instanceof Buffer);
         assert.strictEqual(true, data.length > 0);
@@ -116,7 +116,7 @@ describe('Input/output', function () {
   it('Read from File and write to Buffer via Promise resolved with Object', function () {
     return sharp(fixtures.inputJpg)
       .resize(1, 1)
-      .toBuffer({resolveWithObject: true})
+      .toBuffer({ resolveWithObject: true })
       .then(function (object) {
         assert.strictEqual('object', typeof object);
         assert.strictEqual('object', typeof object.info);
@@ -462,7 +462,7 @@ describe('Input/output', function () {
 
     it('should work for webp alpha quality', function (done) {
       sharp(fixtures.inputPngAlphaPremultiplicationSmall)
-        .webp({alphaQuality: 80})
+        .webp({ alphaQuality: 80 })
         .toBuffer(function (err, data, info) {
           if (err) throw err;
           assert.strictEqual(true, data.length > 0);
@@ -473,7 +473,7 @@ describe('Input/output', function () {
 
     it('should work for webp lossless', function (done) {
       sharp(fixtures.inputPngAlphaPremultiplicationSmall)
-        .webp({lossless: true})
+        .webp({ lossless: true })
         .toBuffer(function (err, data, info) {
           if (err) throw err;
           assert.strictEqual(true, data.length > 0);
@@ -484,7 +484,7 @@ describe('Input/output', function () {
 
     it('should work for webp near-lossless', function (done) {
       sharp(fixtures.inputPngAlphaPremultiplicationSmall)
-        .webp({nearLossless: true, quality: 50})
+        .webp({ nearLossless: true, quality: 50 })
         .toBuffer(function (err50, data50, info50) {
           if (err50) throw err50;
           assert.strictEqual(true, data50.length > 0);
@@ -495,7 +495,7 @@ describe('Input/output', function () {
 
     it('should use near-lossless when both lossless and nearLossless are specified', function (done) {
       sharp(fixtures.inputPngAlphaPremultiplicationSmall)
-        .webp({nearLossless: true, quality: 50, lossless: true})
+        .webp({ nearLossless: true, quality: 50, lossless: true })
         .toBuffer(function (err50, data50, info50) {
           if (err50) throw err50;
           assert.strictEqual(true, data50.length > 0);
@@ -817,7 +817,7 @@ describe('Input/output', function () {
             assert.strictEqual(320, withInfo.width);
             assert.strictEqual(240, withInfo.height);
             // Verify image is of a different size (progressive output even without mozjpeg)
-            assert.notEqual(withData.length, withoutData.length);
+            assert.notStrictEqual(withData.length, withoutData.length);
             done();
           });
       });
@@ -887,7 +887,7 @@ describe('Input/output', function () {
   it('Convert SVG to PNG at default 72DPI', function (done) {
     sharp(fixtures.inputSvg)
       .resize(1024)
-      .extract({left: 290, top: 760, width: 40, height: 40})
+      .extract({ left: 290, top: 760, width: 40, height: 40 })
       .toFormat('png')
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -908,7 +908,7 @@ describe('Input/output', function () {
   it('Convert SVG to PNG at 1200DPI', function (done) {
     sharp(fixtures.inputSvg, { density: 1200 })
       .resize(1024)
-      .extract({left: 290, top: 760, width: 40, height: 40})
+      .extract({ left: 290, top: 760, width: 40, height: 40 })
       .toFormat('png')
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -1364,7 +1364,7 @@ describe('Input/output', function () {
 
   it('Save Vips V file', function (done) {
     sharp(fixtures.inputJpg)
-      .extract({left: 910, top: 1105, width: 70, height: 60})
+      .extract({ left: 910, top: 1105, width: 70, height: 60 })
       .toFile(fixtures.outputV, function (err, info) {
         if (err) throw err;
         assert.strictEqual(true, info.size > 0);
@@ -1554,7 +1554,7 @@ describe('Input/output', function () {
               width: info.width,
               height: info.height,
               channels: info.channels
-            }})
+            } })
             .jpeg()
             .toBuffer(function (err, data, info) {
               if (err) throw err;
@@ -1581,7 +1581,7 @@ describe('Input/output', function () {
               width: info.width,
               height: info.height,
               channels: info.channels
-            }})
+            } })
             .png()
             .toBuffer(function (err, data, info) {
               if (err) throw err;
@@ -1683,7 +1683,7 @@ describe('Input/output', function () {
         assert.strictEqual(472, info.height);
         assert.strictEqual(3, info.channels);
       });
-    const badPipeline = sharp(null, {raw: {width: 840, height: 500, channels: 3}})
+    const badPipeline = sharp(null, { raw: { width: 840, height: 500, channels: 3 } })
       .toFormat('jpeg')
       .toBuffer(function (err, data, info) {
         assert.strictEqual(err.message.indexOf('memory area too small') > 0, true);
@@ -1691,7 +1691,7 @@ describe('Input/output', function () {
         const inPipeline = sharp()
           .resize(840, 472)
           .raw();
-        const goodPipeline = sharp(null, {raw: {width: 840, height: 472, channels: 3}})
+        const goodPipeline = sharp(null, { raw: { width: 840, height: 472, channels: 3 } })
           .toFormat('jpeg')
           .toBuffer(function (err, data, info) {
             if (err) throw err;
diff --git a/test/unit/joinChannel.js b/test/unit/joinChannel.js
index ec3c3c23..1fd9cae5 100644
--- a/test/unit/joinChannel.js
+++ b/test/unit/joinChannel.js
@@ -138,7 +138,7 @@ describe('Image channel insertion', function () {
 
   it('Invalid raw buffer description', function () {
     assert.throws(function () {
-      sharp().joinChannel(fs.readFileSync(fixtures.inputPng), {raw: {}});
+      sharp().joinChannel(fs.readFileSync(fixtures.inputPng), { raw: {} });
     });
   });
 
diff --git a/test/unit/metadata.js b/test/unit/metadata.js
index b846a0c4..6fcac1f9 100644
--- a/test/unit/metadata.js
+++ b/test/unit/metadata.js
@@ -449,12 +449,12 @@ describe('Image metadata', function () {
   describe('Invalid withMetadata parameters', function () {
     it('String orientation', function () {
       assert.throws(function () {
-        sharp().withMetadata({orientation: 'zoinks'});
+        sharp().withMetadata({ orientation: 'zoinks' });
       });
     });
     it('Negative orientation', function () {
       assert.throws(function () {
-        sharp().withMetadata({orientation: -1});
+        sharp().withMetadata({ orientation: -1 });
       });
     });
     it('Zero orientation', function () {
@@ -464,7 +464,7 @@ describe('Image metadata', function () {
     });
     it('Too large orientation', function () {
       assert.throws(function () {
-        sharp().withMetadata({orientation: 9});
+        sharp().withMetadata({ orientation: 9 });
       });
     });
   });
diff --git a/test/unit/rotate.js b/test/unit/rotate.js
index 2cc5554d..51bea7d9 100644
--- a/test/unit/rotate.js
+++ b/test/unit/rotate.js
@@ -25,7 +25,7 @@ describe('Rotation', function () {
 
   it('Rotate by 30 degrees with semi-transparent background', function (done) {
     sharp(fixtures.inputJpg)
-      .rotate(30, {background: { r: 255, g: 0, b: 0, alpha: 0.5 }})
+      .rotate(30, { background: { r: 255, g: 0, b: 0, alpha: 0.5 } })
       .resize(320)
       .png()
       .toBuffer(function (err, data, info) {
@@ -39,7 +39,7 @@ describe('Rotation', function () {
 
   it('Rotate by 30 degrees with solid background', function (done) {
     sharp(fixtures.inputJpg)
-      .rotate(30, {background: { r: 255, g: 0, b: 0, alpha: 0.5 }})
+      .rotate(30, { background: { r: 255, g: 0, b: 0, alpha: 0.5 } })
       .resize(320)
       .toBuffer(function (err, data, info) {
         if (err) throw err;
@@ -208,7 +208,7 @@ describe('Rotation', function () {
     sharp(fixtures.inputJpgWithExif)
       .rotate()
       .resize(320)
-      .withMetadata({orientation: 3})
+      .withMetadata({ orientation: 3 })
       .toBuffer(function (err, data, info) {
         if (err) throw err;
         assert.strictEqual('jpeg', info.format);
diff --git a/test/unit/threshold.js b/test/unit/threshold.js
index 5dad411a..f1d6af77 100644
--- a/test/unit/threshold.js
+++ b/test/unit/threshold.js
@@ -132,7 +132,7 @@ describe('Threshold', function () {
   it('color threshold', function (done) {
     sharp(fixtures.inputJpg)
       .resize(320, 240)
-      .threshold(128, {'grayscale': false})
+      .threshold(128, { grayscale: false })
       .toBuffer(function (err, data, info) {
         if (err) throw err;
         assert.strictEqual('jpeg', info.format);