jasmine-expect - npm Package Compare versions

Comparing version 1.16.4 to 1.17.0

dist/jasmine-matchers.js

@@ -364,2 +364,17 @@ /*
   /**
+   * Assert subject is string containing parseable JSON
+   * @return {Boolean}
+   */
+  matchers.toBeJsonString = function() {
+    var isParseable;
+    var json;
+    try {
+      json = JSON.parse(this.actual);
+    } catch (e) {
+      isParseable = false;
+    }
+    return isParseable !== false && json !== null;
+  };
+
+  /**
    * Assert subject is a String containing nothing but whitespace
@@ -366,0 +381,0 @@ * @return {Boolean}

package.json

 {
   "name": "jasmine-expect",
-  "version": "1.16.4",
+  "version": "1.17.0",
   "description": "35+ additional matchers for the Jasmine BDD JavaScript test library",
@@ -5,0 +5,0 @@ "main": "jasmine-matchers.js",

README.md

@@ -74,2 +74,3 @@ # Jasmine-Matchers
     expect(string).toBeHtmlString()
+    expect(string).toBeJsonString()
     expect(string).toBeWhitespace()
@@ -76,0 +77,0 @@ expect(string).toStartWith(substring)

src/strings.js

@@ -35,2 +35,17 @@ // Strings
   /**
+   * Assert subject is string containing parseable JSON
+   * @return {Boolean}
+   */
+  matchers.toBeJsonString = function() {
+    var isParseable;
+    var json;
+    try {
+      json = JSON.parse(this.actual);
+    } catch (e) {
+      isParseable = false;
+    }
+    return isParseable !== false && json !== null;
+  };
+
+  /**
    * Assert subject is a String containing nothing but whitespace
@@ -37,0 +52,0 @@ * @return {Boolean}

test/strings.test.js

@@ -34,2 +34,15 @@ describe('Strings', function() {
 
+  describe('toBeJsonString', function () {
+    it('asserts value is a string of parseable JSON', function () {
+      expect('{}').toBeJsonString();
+      expect('[]').toBeJsonString();
+      expect('[1]').toBeJsonString();
+      expect('[1,]').not.toBeJsonString();
+      expect('<>').not.toBeJsonString();
+      expect(null).not.toBeJsonString();
+      expect('').not.toBeJsonString();
+      expect(void(0)).not.toBeJsonString();
+    });
+  });
+
   describe('toBeWhitespace', function () {
@@ -36,0 +49,0 @@ it('asserts value is a string containing only tabs, spaces, returns etc', function () {

No alert changes

Improved metrics

Total package byte prevSize

44670

increased by2.59%

Lines of code

1182

increased by3.5%

Number of lines in readme file

114

increased by0.88%

No dependency changes