Add karma to run unit tests

Dockerfile

@@ -0,0 +1,20 @@
+FROM selenium/node-chrome:latest
+
+USER root
+
+RUN apt-get update -qqy \
+  && apt-get -qqy install python git build-essential \
+  && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
+  && rm /bin/sh && ln -s /bin/bash /bin/sh \
+  && chown seluser /usr/local
+
+ENV NVM_DIR /usr/local/nvm
+RUN wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash \
+  && source $NVM_DIR/nvm.sh \
+  && nvm install v8
+
+ENV CHROME_BIN /opt/google/chrome/chrome
+ENV INSIDE_DOCKER=1
+
+WORKDIR /usr/src
+ENTRYPOINT source $NVM_DIR/nvm.sh && npm i && npm test

codecs/mozjpeg_enc/package-lock.json

@@ -21,8 +21,8 @@
       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "dev": true,
       "requires": {
-        "delegates": "1.0.0",
-        "readable-stream": "2.3.5"
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
       }
     },
     "balanced-match": {
@@ -43,7 +43,7 @@
       "integrity": "sha1-ysMo977kVzDUBLaSID/LWQ4XLV4=",
       "dev": true,
       "requires": {
-        "readable-stream": "2.3.5"
+        "readable-stream": "^2.0.5"
       }
     },
     "block-stream": {
@@ -52,7 +52,7 @@
       "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
       "dev": true,
       "requires": {
-        "inherits": "2.0.3"
+        "inherits": "~2.0.0"
       }
     },
     "brace-expansion": {
@@ -61,7 +61,7 @@
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
       "requires": {
-        "balanced-match": "1.0.0",
+        "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -72,8 +72,8 @@
       "dev": true,
       "requires": {
         "base64-js": "0.0.8",
-        "ieee754": "1.1.8",
-        "isarray": "1.0.0"
+        "ieee754": "^1.1.4",
+        "isarray": "^1.0.0"
       }
     },
     "buffer-crc32": {
@@ -88,10 +88,10 @@
       "integrity": "sha512-Cg8/ZSBEa8ZVY9HspcGUYaK63d/bN7rqS3CYCzEGUxuYv6UlmcjzDUz2fCFFHyTvUW5Pk0I+3hkA3iXlIj6guA==",
       "dev": true,
       "requires": {
-        "get-proxy": "2.1.0",
-        "isurl": "1.0.0",
-        "tunnel-agent": "0.6.0",
-        "url-to-options": "1.0.1"
+        "get-proxy": "^2.0.0",
+        "isurl": "^1.0.0-alpha5",
+        "tunnel-agent": "^0.6.0",
+        "url-to-options": "^1.0.1"
       }
     },
     "code-point-at": {
@@ -106,7 +106,7 @@
       "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
       "dev": true,
       "requires": {
-        "graceful-readlink": "1.0.1"
+        "graceful-readlink": ">= 1.0.0"
       }
     },
     "concat-map": {
@@ -121,8 +121,8 @@
       "integrity": "sha1-q6CXR9++TD5w52am5BWG4YWfxvI=",
       "dev": true,
       "requires": {
-        "ini": "1.3.5",
-        "proto-list": "1.2.4"
+        "ini": "^1.3.4",
+        "proto-list": "~1.2.1"
       }
     },
     "console-control-strings": {
@@ -158,14 +158,14 @@
       "integrity": "sha1-eu3YVCflqS2s/lVnSnxQXpbQH50=",
       "dev": true,
       "requires": {
-        "decompress-tar": "4.1.1",
-        "decompress-tarbz2": "4.1.1",
-        "decompress-targz": "4.1.1",
-        "decompress-unzip": "4.0.1",
-        "graceful-fs": "4.1.11",
-        "make-dir": "1.2.0",
-        "pify": "2.3.0",
-        "strip-dirs": "2.1.0"
+        "decompress-tar": "^4.0.0",
+        "decompress-tarbz2": "^4.0.0",
+        "decompress-targz": "^4.0.0",
+        "decompress-unzip": "^4.0.1",
+        "graceful-fs": "^4.1.10",
+        "make-dir": "^1.0.0",
+        "pify": "^2.3.0",
+        "strip-dirs": "^2.0.0"
       },
       "dependencies": {
         "pify": {
@@ -182,7 +182,7 @@
       "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
       "dev": true,
       "requires": {
-        "mimic-response": "1.0.0"
+        "mimic-response": "^1.0.0"
       }
     },
     "decompress-tar": {
@@ -191,9 +191,9 @@
       "integrity": "sha512-JdJMaCrGpB5fESVyxwpCx4Jdj2AagLmv3y58Qy4GE6HMVjWz1FeVQk1Ct4Kye7PftcdOo/7U7UKzYBJgqnGeUQ==",
       "dev": true,
       "requires": {
-        "file-type": "5.2.0",
-        "is-stream": "1.1.0",
-        "tar-stream": "1.5.5"
+        "file-type": "^5.2.0",
+        "is-stream": "^1.1.0",
+        "tar-stream": "^1.5.2"
       }
     },
     "decompress-tarbz2": {
@@ -202,11 +202,11 @@
       "integrity": "sha512-s88xLzf1r81ICXLAVQVzaN6ZmX4A6U4z2nMbOwobxkLoIIfjVMBg7TeguTUXkKeXni795B6y5rnvDw7rxhAq9A==",
       "dev": true,
       "requires": {
-        "decompress-tar": "4.1.1",
-        "file-type": "6.2.0",
-        "is-stream": "1.1.0",
-        "seek-bzip": "1.0.5",
-        "unbzip2-stream": "1.2.5"
+        "decompress-tar": "^4.1.0",
+        "file-type": "^6.1.0",
+        "is-stream": "^1.1.0",
+        "seek-bzip": "^1.0.5",
+        "unbzip2-stream": "^1.0.9"
       },
       "dependencies": {
         "file-type": {
@@ -223,9 +223,9 @@
       "integrity": "sha512-4z81Znfr6chWnRDNfFNqLwPvm4db3WuZkqV+UgXQzSngG3CEKdBkw5jrv3axjjL96glyiiKjsxJG3X6WBZwX3w==",
       "dev": true,
       "requires": {
-        "decompress-tar": "4.1.1",
-        "file-type": "5.2.0",
-        "is-stream": "1.1.0"
+        "decompress-tar": "^4.1.1",
+        "file-type": "^5.2.0",
+        "is-stream": "^1.1.0"
       }
     },
     "decompress-unzip": {
@@ -234,10 +234,10 @@
       "integrity": "sha1-3qrM39FK6vhVePczroIQ+bSEj2k=",
       "dev": true,
       "requires": {
-        "file-type": "3.9.0",
-        "get-stream": "2.3.1",
-        "pify": "2.3.0",
-        "yauzl": "2.9.1"
+        "file-type": "^3.8.0",
+        "get-stream": "^2.2.0",
+        "pify": "^2.3.0",
+        "yauzl": "^2.4.2"
       },
       "dependencies": {
         "file-type": {
@@ -252,8 +252,8 @@
           "integrity": "sha1-Xzj5PzRgCWZu4BUKBUFn+Rvdld4=",
           "dev": true,
           "requires": {
-            "object-assign": "4.1.1",
-            "pinkie-promise": "2.0.1"
+            "object-assign": "^4.0.1",
+            "pinkie-promise": "^2.0.0"
           }
         },
         "pify": {
@@ -282,17 +282,17 @@
       "integrity": "sha512-DpO9K1sXAST8Cpzb7kmEhogJxymyVUd5qz/vCOSyvwtp2Klj2XcDt5YUuasgxka44SxF0q5RriKIwJmQHG2AuA==",
       "dev": true,
       "requires": {
-        "caw": "2.0.1",
-        "content-disposition": "0.5.2",
-        "decompress": "4.2.0",
-        "ext-name": "5.0.0",
+        "caw": "^2.0.0",
+        "content-disposition": "^0.5.2",
+        "decompress": "^4.0.0",
+        "ext-name": "^5.0.0",
         "file-type": "5.2.0",
-        "filenamify": "2.0.0",
-        "get-stream": "3.0.0",
-        "got": "7.1.0",
-        "make-dir": "1.2.0",
-        "p-event": "1.3.0",
-        "pify": "3.0.0"
+        "filenamify": "^2.0.0",
+        "get-stream": "^3.0.0",
+        "got": "^7.0.0",
+        "make-dir": "^1.0.0",
+        "p-event": "^1.0.0",
+        "pify": "^3.0.0"
       }
     },
     "duplexer3": {
@@ -307,7 +307,7 @@
       "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
       "dev": true,
       "requires": {
-        "once": "1.4.0"
+        "once": "^1.4.0"
       }
     },
     "error-ex": {
@@ -316,7 +316,7 @@
       "integrity": "sha1-+FWobOYa3E6GIcPNoh56dhLDqNw=",
       "dev": true,
       "requires": {
-        "is-arrayish": "0.2.1"
+        "is-arrayish": "^0.2.1"
       }
     },
     "escape-string-regexp": {
@@ -331,7 +331,7 @@
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       "dev": true,
       "requires": {
-        "mime-db": "1.33.0"
+        "mime-db": "^1.28.0"
       }
     },
     "ext-name": {
@@ -340,8 +340,8 @@
       "integrity": "sha512-yblEwXAbGv1VQDmow7s38W77hzAgJAO50ztBLMcUyUBfxv1HC+LGwtiEN+Co6LtlqT/5uwVOxsD4TNIilWhwdQ==",
       "dev": true,
       "requires": {
-        "ext-list": "2.2.2",
-        "sort-keys-length": "1.0.1"
+        "ext-list": "^2.0.0",
+        "sort-keys-length": "^1.0.0"
       }
     },
     "extend": {
@@ -356,7 +356,7 @@
       "integrity": "sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=",
       "dev": true,
       "requires": {
-        "pend": "1.2.0"
+        "pend": "~1.2.0"
       }
     },
     "file-type": {
@@ -377,9 +377,9 @@
       "integrity": "sha1-vRYiYsC26Uv7zc8Zo7uzdk94VpU=",
       "dev": true,
       "requires": {
-        "filename-reserved-regex": "2.0.0",
-        "strip-outer": "1.0.0",
-        "trim-repeated": "1.0.0"
+        "filename-reserved-regex": "^2.0.0",
+        "strip-outer": "^1.0.0",
+        "trim-repeated": "^1.0.0"
       }
     },
     "fs.realpath": {
@@ -394,10 +394,10 @@
       "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "inherits": "2.0.3",
-        "mkdirp": "0.5.1",
-        "rimraf": "2.6.2"
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
       }
     },
     "fstream-ignore": {
@@ -406,9 +406,9 @@
       "integrity": "sha1-nDHa40dnAY/h0kmyTa2mfQktoQU=",
       "dev": true,
       "requires": {
-        "fstream": "1.0.11",
-        "inherits": "2.0.3",
-        "minimatch": "3.0.4"
+        "fstream": "^1.0.0",
+        "inherits": "2",
+        "minimatch": "^3.0.0"
       }
     },
     "gauge": {
@@ -417,14 +417,14 @@
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
       "requires": {
-        "aproba": "1.2.0",
-        "console-control-strings": "1.1.0",
-        "has-unicode": "2.0.1",
-        "object-assign": "4.1.1",
-        "signal-exit": "3.0.2",
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1",
-        "wide-align": "1.1.2"
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
       }
     },
     "get-proxy": {
@@ -433,7 +433,7 @@
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       "dev": true,
       "requires": {
-        "npm-conf": "1.1.3"
+        "npm-conf": "^1.1.0"
       }
     },
     "get-stream": {
@@ -448,12 +448,12 @@
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       "dev": true,
       "requires": {
-        "fs.realpath": "1.0.0",
-        "inflight": "1.0.6",
-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
-        "path-is-absolute": "1.0.1"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
       }
     },
     "got": {
@@ -462,20 +462,20 @@
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       "dev": true,
       "requires": {
-        "decompress-response": "3.3.0",
-        "duplexer3": "0.1.4",
-        "get-stream": "3.0.0",
-        "is-plain-obj": "1.1.0",
-        "is-retry-allowed": "1.1.0",
-        "is-stream": "1.1.0",
-        "isurl": "1.0.0",
-        "lowercase-keys": "1.0.0",
-        "p-cancelable": "0.3.0",
-        "p-timeout": "1.2.1",
-        "safe-buffer": "5.1.1",
-        "timed-out": "4.0.1",
-        "url-parse-lax": "1.0.0",
-        "url-to-options": "1.0.1"
+        "decompress-response": "^3.2.0",
+        "duplexer3": "^0.1.4",
+        "get-stream": "^3.0.0",
+        "is-plain-obj": "^1.1.0",
+        "is-retry-allowed": "^1.0.0",
+        "is-stream": "^1.0.0",
+        "isurl": "^1.0.0-alpha5",
+        "lowercase-keys": "^1.0.0",
+        "p-cancelable": "^0.3.0",
+        "p-timeout": "^1.1.1",
+        "safe-buffer": "^5.0.1",
+        "timed-out": "^4.0.0",
+        "url-parse-lax": "^1.0.0",
+        "url-to-options": "^1.0.1"
       }
     },
     "graceful-fs": {
@@ -502,7 +502,7 @@
       "integrity": "sha512-vdbKfmw+3LoOYVr+mtxHaX5a96+0f3DljYd8JOqvOLsf5mw2Otda2qCDT9qRqLAhrjyQ0h7ual5nOiASpsGNFw==",
       "dev": true,
       "requires": {
-        "has-symbol-support-x": "1.4.2"
+        "has-symbol-support-x": "^1.4.1"
       }
     },
     "has-unicode": {
@@ -529,8 +529,8 @@
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "dev": true,
       "requires": {
-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
+        "wrappy": "1"
       }
     },
     "inherits": {
@@ -557,7 +557,7 @@
       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
       "dev": true,
       "requires": {
-        "number-is-nan": "1.0.1"
+        "number-is-nan": "^1.0.0"
       }
     },
     "is-natural-number": {
@@ -602,8 +602,8 @@
       "integrity": "sha512-1P/yWsxPlDtn7QeRD+ULKQPaIaN6yF368GZ2vDfv0AL0NwpStafjWCDDdn0k8wgFMWpVAqG7oJhxHnlud42i9w==",
       "dev": true,
       "requires": {
-        "has-to-string-tag-x": "1.4.1",
-        "is-object": "1.0.1"
+        "has-to-string-tag-x": "^1.2.0",
+        "is-object": "^1.0.1"
       }
     },
     "load-json-file": {
@@ -612,10 +612,10 @@
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "parse-json": "2.2.0",
-        "pify": "2.3.0",
-        "strip-bom": "3.0.0"
+        "graceful-fs": "^4.1.2",
+        "parse-json": "^2.2.0",
+        "pify": "^2.0.0",
+        "strip-bom": "^3.0.0"
       },
       "dependencies": {
         "pify": {
@@ -638,7 +638,7 @@
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       "dev": true,
       "requires": {
-        "pify": "3.0.0"
+        "pify": "^3.0.0"
       }
     },
     "mime-db": {
@@ -659,7 +659,7 @@
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
       "dev": true,
       "requires": {
-        "brace-expansion": "1.1.11"
+        "brace-expansion": "^1.1.7"
       }
     },
     "minimist": {
@@ -697,16 +697,16 @@
       "integrity": "sha1-7DqP3gcZC2ny/kNMOVo+aUaEG1Y=",
       "dev": true,
       "requires": {
-        "download": "6.2.5",
-        "extend": "3.0.1",
-        "load-json-file": "2.0.0",
-        "minimist": "1.2.0",
-        "mkdirp": "0.5.1",
-        "npm-cache-filename": "1.0.2",
-        "npmlog": "4.1.2",
-        "rimraf": "2.6.2",
-        "tar-pack": "3.4.1",
-        "write-json-file": "2.3.0"
+        "download": "^6.2.2",
+        "extend": "^3.0.1",
+        "load-json-file": "^2.0.0",
+        "minimist": "^1.2.0",
+        "mkdirp": "^0.5.1",
+        "npm-cache-filename": "^1.0.2",
+        "npmlog": "^4.1.0",
+        "rimraf": "^2.6.1",
+        "tar-pack": "^3.4.0",
+        "write-json-file": "^2.2.0"
       }
     },
     "npm-cache-filename": {
@@ -721,8 +721,8 @@
       "integrity": "sha512-Yic4bZHJOt9RCFbRP3GgpqhScOY4HH3V2P8yBj6CeYq118Qr+BLXqT2JvpJ00mryLESpgOxf5XlFv4ZjXxLScw==",
       "dev": true,
       "requires": {
-        "config-chain": "1.1.11",
-        "pify": "3.0.0"
+        "config-chain": "^1.1.11",
+        "pify": "^3.0.0"
       }
     },
     "npmlog": {
@@ -731,10 +731,10 @@
       "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
       "dev": true,
       "requires": {
-        "are-we-there-yet": "1.1.4",
-        "console-control-strings": "1.1.0",
-        "gauge": "2.7.4",
-        "set-blocking": "2.0.0"
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
       }
     },
     "number-is-nan": {
@@ -755,7 +755,7 @@
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "dev": true,
       "requires": {
-        "wrappy": "1.0.2"
+        "wrappy": "1"
       }
     },
     "p-cancelable": {
@@ -770,7 +770,7 @@
       "integrity": "sha1-jmtPT2XHK8W2/ii3XtqHT5akoIU=",
       "dev": true,
       "requires": {
-        "p-timeout": "1.2.1"
+        "p-timeout": "^1.1.1"
       }
     },
     "p-finally": {
@@ -785,7 +785,7 @@
       "integrity": "sha1-XrOzU7f86Z8QGhA4iAuwVOu+o4Y=",
       "dev": true,
       "requires": {
-        "p-finally": "1.0.0"
+        "p-finally": "^1.0.0"
       }
     },
     "parse-json": {
@@ -794,7 +794,7 @@
       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
       "dev": true,
       "requires": {
-        "error-ex": "1.3.1"
+        "error-ex": "^1.2.0"
       }
     },
     "path-is-absolute": {
@@ -827,7 +827,7 @@
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
       "dev": true,
       "requires": {
-        "pinkie": "2.0.4"
+        "pinkie": "^2.0.0"
       }
     },
     "prepend-http": {
@@ -854,13 +854,13 @@
       "integrity": "sha512-tK0yDhrkygt/knjowCUiWP9YdV7c5R+8cR0r/kt9ZhBU906Fs6RpQJCEilamRJj1Nx2rWI6LkW9gKqjTkshhEw==",
       "dev": true,
       "requires": {
-        "core-util-is": "1.0.2",
-        "inherits": "2.0.3",
-        "isarray": "1.0.0",
-        "process-nextick-args": "2.0.0",
-        "safe-buffer": "5.1.1",
-        "string_decoder": "1.0.3",
-        "util-deprecate": "1.0.2"
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.0.3",
+        "util-deprecate": "~1.0.1"
       }
     },
     "rimraf": {
@@ -869,7 +869,7 @@
       "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
       "dev": true,
       "requires": {
-        "glob": "7.1.2"
+        "glob": "^7.0.5"
       }
     },
     "safe-buffer": {
@@ -884,7 +884,7 @@
       "integrity": "sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=",
       "dev": true,
       "requires": {
-        "commander": "2.8.1"
+        "commander": "~2.8.1"
       }
     },
     "set-blocking": {
@@ -905,7 +905,7 @@
       "integrity": "sha1-RBttTTRnmPG05J6JIK37oOVD+a0=",
       "dev": true,
       "requires": {
-        "is-plain-obj": "1.1.0"
+        "is-plain-obj": "^1.0.0"
       }
     },
     "sort-keys-length": {
@@ -914,7 +914,7 @@
       "integrity": "sha1-nLb09OnkgVWmqgZx7dM2/xR5oYg=",
       "dev": true,
       "requires": {
-        "sort-keys": "1.1.2"
+        "sort-keys": "^1.0.0"
       }
     },
     "string-width": {
@@ -923,9 +923,9 @@
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
-        "code-point-at": "1.1.0",
-        "is-fullwidth-code-point": "1.0.0",
-        "strip-ansi": "3.0.1"
+        "code-point-at": "^1.0.0",
+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
       }
     },
     "string_decoder": {
@@ -934,7 +934,7 @@
       "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
       "dev": true,
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "~5.1.0"
       }
     },
     "strip-ansi": {
@@ -943,7 +943,7 @@
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "strip-bom": {
@@ -958,7 +958,7 @@
       "integrity": "sha512-JOCxOeKLm2CAS73y/U4ZeZPTkE+gNVCzKt7Eox84Iej1LT/2pTWYpZKJuxwQpvX1LiZb1xokNR7RLfuBAa7T3g==",
       "dev": true,
       "requires": {
-        "is-natural-number": "4.0.1"
+        "is-natural-number": "^4.0.1"
       }
     },
     "strip-outer": {
@@ -967,7 +967,7 @@
       "integrity": "sha1-qsC6YNLpDF1PJ1/Yhp/ZotMQ/7g=",
       "dev": true,
       "requires": {
-        "escape-string-regexp": "1.0.5"
+        "escape-string-regexp": "^1.0.2"
       }
     },
     "tar": {
@@ -976,9 +976,9 @@
       "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
       "dev": true,
       "requires": {
-        "block-stream": "0.0.9",
-        "fstream": "1.0.11",
-        "inherits": "2.0.3"
+        "block-stream": "*",
+        "fstream": "^1.0.2",
+        "inherits": "2"
       }
     },
     "tar-pack": {
@@ -987,14 +987,14 @@
       "integrity": "sha512-PPRybI9+jM5tjtCbN2cxmmRU7YmqT3Zv/UDy48tAh2XRkLa9bAORtSWLkVc13+GJF+cdTh1yEnHEk3cpTaL5Kg==",
       "dev": true,
       "requires": {
-        "debug": "2.6.9",
-        "fstream": "1.0.11",
-        "fstream-ignore": "1.0.5",
-        "once": "1.4.0",
-        "readable-stream": "2.3.5",
-        "rimraf": "2.6.2",
-        "tar": "2.2.1",
-        "uid-number": "0.0.6"
+        "debug": "^2.2.0",
+        "fstream": "^1.0.10",
+        "fstream-ignore": "^1.0.5",
+        "once": "^1.3.3",
+        "readable-stream": "^2.1.4",
+        "rimraf": "^2.5.1",
+        "tar": "^2.2.1",
+        "uid-number": "^0.0.6"
       }
     },
     "tar-stream": {
@@ -1003,10 +1003,10 @@
       "integrity": "sha512-mQdgLPc/Vjfr3VWqWbfxW8yQNiJCbAZ+Gf6GDu1Cy0bdb33ofyiNGBtAY96jHFhDuivCwgW1H9DgTON+INiXgg==",
       "dev": true,
       "requires": {
-        "bl": "1.2.1",
-        "end-of-stream": "1.4.1",
-        "readable-stream": "2.3.5",
-        "xtend": "4.0.1"
+        "bl": "^1.0.0",
+        "end-of-stream": "^1.0.0",
+        "readable-stream": "^2.0.0",
+        "xtend": "^4.0.0"
       }
     },
     "through": {
@@ -1027,7 +1027,7 @@
       "integrity": "sha1-42RqLqTokTEr9+rObPsFOAvAHCE=",
       "dev": true,
       "requires": {
-        "escape-string-regexp": "1.0.5"
+        "escape-string-regexp": "^1.0.2"
       }
     },
     "tunnel-agent": {
@@ -1036,7 +1036,7 @@
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "dev": true,
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
       }
     },
     "uid-number": {
@@ -1051,8 +1051,8 @@
       "integrity": "sha512-izD3jxT8xkzwtXRUZjtmRwKnZoeECrfZ8ra/ketwOcusbZEp4mjULMnJOCfTDZBgGQAAY1AJ/IgxcwkavcX9Og==",
       "dev": true,
       "requires": {
-        "buffer": "3.6.0",
-        "through": "2.3.8"
+        "buffer": "^3.0.1",
+        "through": "^2.3.6"
       }
     },
     "url-parse-lax": {
@@ -1061,7 +1061,7 @@
       "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
       "dev": true,
       "requires": {
-        "prepend-http": "1.0.4"
+        "prepend-http": "^1.0.1"
       }
     },
     "url-to-options": {
@@ -1082,7 +1082,7 @@
       "integrity": "sha512-ijDLlyQ7s6x1JgCLur53osjm/UXUYD9+0PbYKrBsYisYXzCxN+HC3mYDNy/dWdmf3AwqwU3CXwDCvsNgGK1S0w==",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2"
+        "string-width": "^1.0.2"
       }
     },
     "wrappy": {
@@ -1097,9 +1097,9 @@
       "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "signal-exit": "3.0.2"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
       }
     },
     "write-json-file": {
@@ -1108,12 +1108,12 @@
       "integrity": "sha1-K2TIozAE1UuGmMdtWFp3zrYdoy8=",
       "dev": true,
       "requires": {
-        "detect-indent": "5.0.0",
-        "graceful-fs": "4.1.11",
-        "make-dir": "1.2.0",
-        "pify": "3.0.0",
-        "sort-keys": "2.0.0",
-        "write-file-atomic": "2.3.0"
+        "detect-indent": "^5.0.0",
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^1.0.0",
+        "pify": "^3.0.0",
+        "sort-keys": "^2.0.0",
+        "write-file-atomic": "^2.0.0"
       },
       "dependencies": {
         "sort-keys": {
@@ -1122,7 +1122,7 @@
           "integrity": "sha1-ZYU1WEhh7JfXMNbPQYIuH1ZoQSg=",
           "dev": true,
           "requires": {
-            "is-plain-obj": "1.1.0"
+            "is-plain-obj": "^1.0.0"
           }
         }
       }
@@ -1139,8 +1139,8 @@
       "integrity": "sha1-qBmB6nCleUYTOIPwKcWCGok1mn8=",
       "dev": true,
       "requires": {
-        "buffer-crc32": "0.2.13",
-        "fd-slicer": "1.0.1"
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.0.1"
       }
     }
   }

karma.conf.js

@@ -0,0 +1,113 @@
+const fs = require("fs");
+
+function readJsonFile(path) {
+  // TypeScript puts lots of comments in the default `tsconfig.json`, so you
+  // can’t use `require()` to read it. Hence this hack.
+  return eval("(" + fs.readFileSync(path).toString("utf-8") + ")");
+}
+
+const typeScriptConfig = readJsonFile("./tsconfig.json");
+const babel = readJsonFile("./.babelrc");
+
+module.exports = function(config) {
+  const options = {
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: "",
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ["mocha", "chai", "karma-typescript"],
+
+    // list of files / patterns to load in the browser
+    files: [
+      {
+        pattern: "test/**/*.ts",
+        type: "module"
+      },
+      {
+        pattern: "src/**/*.ts",
+        included: false
+      }
+    ],
+
+    // list of files / patterns to exclude
+    exclude: [],
+// preprocess matching files before serving them to the browser // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      "src/**/*.ts": ["karma-typescript", "babel"],
+      "test/**/*.ts": ["karma-typescript", "babel"]
+    },
+    babelPreprocessor: {
+      options: babel
+    },
+    karmaTypescriptConfig: {
+      // Inline `tsconfig.json` so that the right TS libs are loaded
+      ...typeScriptConfig,
+      // Coverage is a thing that karma-typescript forces on you and only
+      // creates problems. This is the simplest way of disabling it that I
+      // could find.
+      coverageOptions: {
+        exclude: /.*/
+      }
+    },
+    mime: {
+      // Default mimetype for .ts files is video/mp2t but we need
+      // text/javascript for modules to work.
+      "text/javascript": ["ts"]
+    },
+    plugins: [
+      // Load all modules whose name starts with "karma" (usually the default).
+      "karma-*",
+      // We don’t have file extensions on our imports as they are primarily
+      // consumed by webpack.  With Karma, however, this turns into a real HTTP
+      // request for a non-existent file. This inline plugin is a middleware
+      // that appends `.ts` to the request URL.
+      {
+        "middleware:redirect_to_ts": [
+          "value",
+          (req, res, next) => {
+            if (req.url.startsWith("/base/src")) {
+              req.url += '.ts';
+            }
+            next();
+          }
+        ]
+      }
+    ],
+    // Run our middleware before all other middlewares.
+    beforeMiddleware: ["redirect_to_ts"],
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ["progress"],
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: false,
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ["ChromeHeadless"],
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+
+    // These custom files allow us to use ES6 modules in our tests.
+    // Remove these 2 lines (and files) once https://github.com/karma-runner/karma/pull/2834 lands.
+    customContextFile: "test/context.html",
+    customDebugFile: "test/debug.html"
+  };
+
+  config.set(options);
+};

package.json

@@ -8,7 +8,8 @@
     "build:codecs": "npm run build:mozjpeg_enc",
     "start": "webpack serve --host 0.0.0.0 --hot",
     "build": "webpack -p",
-    "lint": "eslint src"
+    "lint": "eslint src",
+    "test": "npm run build && mocha -R spec && karma start"
   },
   "eslintConfig": {
     "extends": [
@@ -31,6 +32,9 @@
     "build/*"
   ],
   "devDependencies": {
+    "@types/chai": "^4.1.3",
+    "@types/karma": "^1.7.3",
+    "@types/mocha": "^5.2.0",
     "@types/node": "^9.4.7",
     "@types/webassembly-js-api": "0.0.1",
     "babel-loader": "^7.1.4",
@@ -44,6 +48,7 @@
     "babel-plugin-transform-react-remove-prop-types": "^0.4.13",
     "babel-preset-env": "^1.6.1",
     "babel-register": "^6.26.0",
+    "chai": "^4.1.2",
     "clean-webpack-plugin": "^0.1.19",
     "copy-webpack-plugin": "^4.5.1",
     "css-loader": "^0.28.11",
@@ -56,14 +61,24 @@
     "eslint-plugin-react": "^7.7.0",
     "eslint-plugin-standard": "^3.0.1",
     "exports-loader": "^0.7.0",
+    "express": "^4.16.3",
     "file-loader": "^1.1.11",
     "html-webpack-plugin": "^3.0.6",
     "if-env": "^1.0.4",
+    "karma": "^2.0.2",
+    "karma-babel-preprocessor": "^7.0.0",
+    "karma-chai": "^0.1.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-mocha": "^1.3.0",
+    "karma-typescript": "^3.0.12",
     "loader-utils": "^1.1.0",
     "mini-css-extract-plugin": "^0.3.0",
+    "mocha": "^5.2.0",
     "node-sass": "^4.7.2",
     "optimize-css-assets-webpack-plugin": "^4.0.0",
+    "prettier": "^1.12.1",
     "progress-bar-webpack-plugin": "^1.11.0",
+    "puppeteer": "^1.3.0",
     "raw-loader": "^0.5.1",
     "sass-loader": "^6.0.7",
     "script-ext-html-webpack-plugin": "^2.0.1",

test/context.html

@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<!--
+  This file is taken from https://github.com/karma-runner/karma/pull/2834. It allows us to use ES6 module imports in our test suite files.
+-->
+<!--
+This is the execution context.
+Loaded within the iframe.
+Reloaded before every execution run.
+-->
+<html>
+<head>
+  <title></title>
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
+</head>
+<body>
+  <!-- The scripts need to be in the body DOM element, as some test running frameworks need the body
+       to have already been created so they can insert their magic into it. For example, if loaded
+       before body, Angular Scenario test framework fails to find the body and crashes and burns in
+       an epic manner. -->
+  <script src="context.js"></script>
+  <script type="text/javascript">
+    // Configure our Karma and set up bindings
+    %CLIENT_CONFIG%
+    window.__karma__.setupContext(window);
+
+    // All served files with the latest timestamps
+    %MAPPINGS%
+  </script>
+  <!-- Dynamically replaced with <script> tags -->
+  %SCRIPTS%
+  <!-- Since %SCRIPTS% might include modules, the `loaded()` call needs to be in a module too.
+   This ensures all the tests will have been declared before karma tries to run them. -->
+  <script type="module">
+    window.__karma__.loaded();
+  </script>
+  <script nomodule>
+    window.__karma__.loaded();
+  </script>
+</body>
+</html>

test/debug.html

@@ -0,0 +1,43 @@
+<!doctype html>
+<!--
+  This file is taken from https://github.com/karma-runner/karma/pull/2834. It allows us to use ES6 module imports in our test suite files.
+-->
+<!--
+This file is almost the same as context.html - loads all source files,
+but its purpose is to be loaded in the main frame (not within an iframe),
+just for immediate execution, without reporting to Karma server.
+-->
+<html>
+<head>
+%X_UA_COMPATIBLE%
+  <title>Karma DEBUG RUNNER</title>
+  <link href="favicon.ico" rel="icon" type="image/x-icon" />
+  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
+</head>
+<body>
+  <!-- The scripts need to be at the end of body, so that some test running frameworks
+   (Angular Scenario, for example) need the body to be loaded so that it can insert its magic
+   into it. If it is before body, then it fails to find the body and crashes and burns in an epic
+   manner. -->
+  <script src="context.js"></script>
+  <script src="debug.js"></script>
+  <script type="text/javascript">
+    // Configure our Karma
+    %CLIENT_CONFIG%
+
+    // All served files with the latest timestamps
+    %MAPPINGS%
+  </script>
+  <!-- Dynamically replaced with <script> tags -->
+  %SCRIPTS%
+  <!-- Since %SCRIPTS% might include modules, the `loaded()` call needs to be in a module too.
+   This ensures all the tests will have been declared before karma tries to run them. -->
+  <script type="module">
+    window.__karma__.loaded();
+  </script>
+  <script nomodule>
+    window.__karma__.loaded();
+  </script>
+</body>
+</html>

test/e2etest.js

@@ -0,0 +1,66 @@
+const express = require("express");
+const app = express();
+const http = require("http");
+const puppeteer = require("puppeteer");
+const { fingerDown } = require("./finger.js");
+const { expect } = require("chai");
+
+async function staticWebServer(path) {
+  // Start a static web server
+  const app = express();
+  app.use(express.static(path));
+  // Port 0 means let the OS select a port
+  const server = http.createServer(app).listen(0, "localhost");
+  await new Promise(resolve => server.on("listening", resolve));
+
+  // Read back the bound address
+  const address = server.address();
+  return { server, address };
+}
+
+describe("some e2e test", function() {
+  before(async function() {
+    // Start webserver
+    const { address, server } = await staticWebServer(".");
+    this.address = `http://${address.address}:${address.port}`;
+    this.server = server;
+
+    // Start browser
+    this.browser = await puppeteer.launch();
+    this.page = await this.browser.newPage();
+    await this.page.goto(`${this.address}/test/sample.html`, {
+      waitUntil: "networkidle2"
+    });
+  });
+
+  it("can tap", async function() {
+    const btn = await this.page.$("button");
+    await btn.tap();
+    const result = await this.page.evaluate(_ => {
+      return window.lol;
+    });
+    expect(result).to.equal(true);
+  });
+
+  it("can tap manually", async function() {
+    const btn = await this.page.$("button");
+    const box = await btn.boundingBox();
+    const finger = fingerDown(
+      this.page,
+      box.x + box.width / 2,
+      box.y + box.height / 2
+    );
+    finger.up();
+    const result = await this.page.evaluate(_ => {
+      return window.lol;
+    });
+    expect(result).to.equal(true);
+  });
+
+  it("does some taps", async function() {});
+
+  after(async function() {
+    this.server.close();
+    await this.browser.close();
+  });
+});

test/finger.js

@@ -0,0 +1,61 @@
+let touchPoints = [];
+let idCnt = 0;
+
+class Finger {
+  constructor(point, page) {
+    this._point = point;
+    this._page = page;
+  }
+
+  move(x, y) {
+    if (!this._point) return;
+    Object.assign(this._point, {
+      x: Math.floor(x),
+      y: Math.floor(y)
+    });
+    this._page.touchscreen._client.send("Input.dispatchTouchEvent", {
+      type: "touchMove",
+      touchPoints,
+      modifiers: page._keyboard._modifiers
+    });
+  }
+
+  up() {
+    if (!this._point) return;
+    const idx = touchPoints.indexOf(this._point);
+    touchPoints = touchPoints.splice(idx, 1);
+    this._point = null;
+    if (touchPoints.length === 0) {
+      this._page.touchscreen._client.send("Input.dispatchTouchEvent", {
+        type: "touchEnd",
+        modifiers: this._page._keyboard._modifiers
+      });
+    } else {
+      this._page.touchscreen._client.send("Input.dispatchTouchEvent", {
+        type: "touchMove",
+        touchPoints,
+        modifiers: this._page._keyboard._modifiers
+      });
+    }
+  }
+}
+
+function fingerDown(page, x, y) {
+  const id = idCnt++;
+  const point = {
+    x: Math.round(x),
+    y: Math.round(y),
+    id
+  };
+  touchPoints.push(point);
+  page.touchscreen._client.send("Input.dispatchTouchEvent", {
+    type: "touchStart",
+    touchPoints,
+    modifiers: page._keyboard._modifiers
+  });
+  return new Finger(point, page);
+}
+
+module.exports = {
+  fingerDown
+};

test/lib/util.ts

@@ -0,0 +1,9 @@
+import {bitmapToImageData} from "../../src/lib/util";
+
+const expect = chai.expect;
+
+describe("util.bitmapToImageData", function () {
+  it("is a function", function () {
+    expect(bitmapToImageData).to.be.a('function');
+  });
+});

test/sample.html

@@ -0,0 +1,6 @@
+<!doctype html>
+
+<button>Test me</button>
+<script>
+       document.querySelector('button').onclick = _ => window.lol = true;
+</script>