Added Mocha and should.

package-lock.json

@@ -190,6 +190,12 @@
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@@ -484,6 +505,12 @@
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@@ -622,6 +649,12 @@
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@@ -773,6 +806,12 @@
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+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
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@@ -1684,6 +1723,20 @@
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+      "dev": true,
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+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
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@@ -1709,6 +1762,12 @@
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@@ -1734,6 +1793,12 @@
         "minimalistic-assert": "1.0.0"
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+      "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0=",
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@@ -1769,6 +1834,16 @@
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       "dev": true
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+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
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     "inherits": {
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       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -2127,6 +2202,41 @@
         "minimist": "0.0.8"
       }
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+    "mocha": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-4.0.1.tgz",
+      "integrity": "sha512-evDmhkoA+cBNiQQQdSKZa2b9+W2mpLoj50367lhy+Klnx9OV8XlCIhigUnn1gaTFLQCa0kdNhEGDr0hCXOQFDw==",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "1.3.0",
+        "commander": "2.11.0",
+        "debug": "3.1.0",
+        "diff": "3.3.1",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.2",
+        "growl": "1.10.3",
+        "he": "1.1.1",
+        "mkdirp": "0.5.1",
+        "supports-color": "4.4.0"
+      },
+      "dependencies": {
+        "supports-color": {
+          "version": "4.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.4.0.tgz",
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+          "dev": true,
+          "requires": {
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+          }
+        }
+      }
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+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
     "nan": {
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       "resolved": "https://registry.npmjs.org/nan/-/nan-2.7.0.tgz",
@@ -2225,6 +2335,15 @@
         "is-extendable": "0.1.1"
       }
     },
+    "once": {
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+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
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+      }
+    },
     "os-browserify": {
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@@ -2646,6 +2765,60 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
       "dev": true
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+    "should": {
+      "version": "13.1.3",
+      "resolved": "https://registry.npmjs.org/should/-/should-13.1.3.tgz",
+      "integrity": "sha512-1m8FHuNTrJ37pXfjfhjmv1/jBw2eYZIWibQ1pH2EGYhn8TcPOSK6zjNbhF20sZ4Gc0XSIlSaSGupnYRKkk1pKQ==",
+      "dev": true,
+      "requires": {
+        "should-equal": "2.0.0",
+        "should-format": "3.0.3",
+        "should-type": "1.4.0",
+        "should-type-adaptors": "1.0.1",
+        "should-util": "1.0.0"
+      }
+    },
+    "should-equal": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/should-equal/-/should-equal-2.0.0.tgz",
+      "integrity": "sha512-ZP36TMrK9euEuWQYBig9W55WPC7uo37qzAEmbjHz4gfyuXrEUgF8cUvQVO+w+d3OMfPvSRQJ22lSm8MQJ43LTA==",
+      "dev": true,
+      "requires": {
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+    "should-format": {
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+      "resolved": "https://registry.npmjs.org/should-format/-/should-format-3.0.3.tgz",
+      "integrity": "sha1-m/yPdPo5IFxT04w01xcwPidxJPE=",
+      "dev": true,
+      "requires": {
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+        "should-type-adaptors": "1.0.1"
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+    "should-type": {
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+      "resolved": "https://registry.npmjs.org/should-type/-/should-type-1.4.0.tgz",
+      "integrity": "sha1-B1bYzoRt/QmEOmlHcZ36DUz/XPM=",
+      "dev": true
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+    "should-type-adaptors": {
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+      "integrity": "sha1-7+VVPN9oz/ZuXF9RtxLcNRx3vqo=",
+      "dev": true,
+      "requires": {
+        "should-type": "1.4.0",
+        "should-util": "1.0.0"
+      }
+    },
+    "should-util": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/should-util/-/should-util-1.0.0.tgz",
+      "integrity": "sha1-yYzaN0qmsZDfi6h8mInCtNtiAGM=",
+      "dev": true
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@@ -3019,6 +3192,12 @@
         }
       }
     },
+    "wrappy": {
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+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
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       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",

package.json

@@ -21,6 +21,8 @@
   },
   "homepage": "https://github.com/dmuth/diceware#readme",
   "devDependencies": {
+    "mocha": "^4.0.1",
+    "should": "^13.1.3",
     "webpack": "^3.8.1"
   },
   "dependencies": {