diff --git a/.eslintrc b/.eslintrc
index d190504..7da237f 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -3,10 +3,11 @@
     "ecmaVersion": 2017
   },
   "env": {
+    "jest": true,
     "node": true
   },
-  "extends": "eslint:recommended",
-  "plugins": ["prettier"],
+  "extends": ["eslint:recommended", "plugin:jest/recommended", "prettier"],
+  "plugins": ["jest", "prettier"],
   "rules": {
     "prettier/prettier": "error"
   }
diff --git a/jest-runner-eslint.config.js b/jest-runner-eslint.config.js
new file mode 100644
index 0000000..a9fedf8
--- /dev/null
+++ b/jest-runner-eslint.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  cliOptions: {
+    format: "pretty"
+  }
+};
diff --git a/jest.eslint.config.js b/jest.eslint.config.js
new file mode 100644
index 0000000..1294747
--- /dev/null
+++ b/jest.eslint.config.js
@@ -0,0 +1,6 @@
+module.exports = {
+  runner: "jest-runner-eslint",
+  displayName: "eslint",
+  modulePathIgnorePatterns: ["dist"],
+  testMatch: ["<rootDir>/**/*.js"]
+};
diff --git a/jest.test.config.js b/jest.test.config.js
new file mode 100644
index 0000000..a54d47b
--- /dev/null
+++ b/jest.test.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  displayName: "test",
+  testEnvironment: "node",
+  moduleDirectories: ["src", "node_modules"]
+};
diff --git a/package-lock.json b/package-lock.json
index 405ac80..171c174 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -500,29 +500,11 @@
       "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
       "dev": true
     },
-    "array-filter": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
-      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
-      "dev": true
-    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
       "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E="
     },
-    "array-map": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
-      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
-      "dev": true
-    },
-    "array-reduce": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
-      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
-      "dev": true
-    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
@@ -1001,6 +983,32 @@
         "unset-value": "^1.0.0"
       }
     },
+    "caller-callsite": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
+      "integrity": "sha1-hH4PzgoiN1CpoCfFSzNzGtMVQTQ=",
+      "dev": true,
+      "requires": {
+        "callsites": "^2.0.0"
+      },
+      "dependencies": {
+        "callsites": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+          "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
+          "dev": true
+        }
+      }
+    },
+    "caller-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-2.0.0.tgz",
+      "integrity": "sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=",
+      "dev": true,
+      "requires": {
+        "caller-callsite": "^2.0.0"
+      }
+    },
     "callsites": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.0.0.tgz",
@@ -1336,6 +1344,36 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "cosmiconfig": {
+      "version": "5.0.7",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.0.7.tgz",
+      "integrity": "sha512-PcLqxTKiDmNT6pSpy4N6KtuPwb53W+2tzNvwOZw0WH9N6O0vLIBq0x8aj8Oj75ere4YcGi48bDFCL+3fRJdlNA==",
+      "dev": true,
+      "requires": {
+        "import-fresh": "^2.0.0",
+        "is-directory": "^0.3.1",
+        "js-yaml": "^3.9.0",
+        "parse-json": "^4.0.0"
+      },
+      "dependencies": {
+        "import-fresh": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-2.0.0.tgz",
+          "integrity": "sha1-2BNVwVYS04bGH53dOSLUMEgipUY=",
+          "dev": true,
+          "requires": {
+            "caller-path": "^2.0.0",
+            "resolve-from": "^3.0.0"
+          }
+        },
+        "resolve-from": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
+          "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g=",
+          "dev": true
+        }
+      }
+    },
     "create-ecdh": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
@@ -1373,6 +1411,27 @@
         "sha.js": "^2.4.8"
       }
     },
+    "create-jest-runner": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/create-jest-runner/-/create-jest-runner-0.4.1.tgz",
+      "integrity": "sha512-JOy675JMZ3b05F3VfAAi6Igme3pVBWu7Rt+gbW9ujAiX/Dua7+G47O7IbfiUU/FZjXhtipu/tz930b++UMGQEA==",
+      "dev": true,
+      "requires": {
+        "jest-worker": "^23.2.0",
+        "throat": "^4.1.0"
+      },
+      "dependencies": {
+        "jest-worker": {
+          "version": "23.2.0",
+          "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-23.2.0.tgz",
+          "integrity": "sha1-+vcGqNo2+uYOsmlXJX+ntdjqArk=",
+          "dev": true,
+          "requires": {
+            "merge-stream": "^1.0.1"
+          }
+        }
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -1792,6 +1851,36 @@
         "text-table": "^0.2.0"
       }
     },
+    "eslint-config-prettier": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-4.0.0.tgz",
+      "integrity": "sha512-kWuiJxzV5NwOwZcpyozTzDT5KJhBw292bbYro9Is7BWnbNMg15Gmpluc1CTetiCatF8DRkNvgPAOaSyg+bYr3g==",
+      "dev": true,
+      "requires": {
+        "get-stdin": "^6.0.0"
+      }
+    },
+    "eslint-formatter-pretty": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/eslint-formatter-pretty/-/eslint-formatter-pretty-2.1.1.tgz",
+      "integrity": "sha512-gWfagucSWBn82WxzwFloBTLAcwYDgnpAfiV5pQfyAV5YpZikuLflRU8nc3Ts9wnNvLhwk4blzb42/C495Yw7BA==",
+      "dev": true,
+      "requires": {
+        "ansi-escapes": "^3.1.0",
+        "chalk": "^2.1.0",
+        "eslint-rule-docs": "^1.1.5",
+        "log-symbols": "^2.0.0",
+        "plur": "^3.0.1",
+        "string-width": "^2.0.0",
+        "supports-hyperlinks": "^1.0.1"
+      }
+    },
+    "eslint-plugin-jest": {
+      "version": "22.2.2",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-22.2.2.tgz",
+      "integrity": "sha512-hnWgh9o39VJfz6lJEyQJdTW7dN2yynlGkmPOlU/oMHh+d7WVMsJP1GeDTB520VCDljEdKExCwD5IBpQIUl4mJg==",
+      "dev": true
+    },
     "eslint-plugin-prettier": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-3.0.1.tgz",
@@ -1801,6 +1890,12 @@
         "prettier-linter-helpers": "^1.0.0"
       }
     },
+    "eslint-rule-docs": {
+      "version": "1.1.56",
+      "resolved": "https://registry.npmjs.org/eslint-rule-docs/-/eslint-rule-docs-1.1.56.tgz",
+      "integrity": "sha512-9+YFz4ZvBj43mUNJg+jUVA/xOO4eywkn2yEOjZwgNBpyhcV1mFnz5hILDxfSTJdA5Y5YY8QbonoFmRneX51bcg==",
+      "dev": true
+    },
     "eslint-scope": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.0.tgz",
@@ -2828,6 +2923,12 @@
       "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
       "dev": true
     },
+    "get-stdin": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+      "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==",
+      "dev": true
+    },
     "get-stream": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
@@ -3182,6 +3283,12 @@
       "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
       "dev": true
     },
+    "irregular-plurals": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/irregular-plurals/-/irregular-plurals-2.0.0.tgz",
+      "integrity": "sha512-Y75zBYLkh0lJ9qxeHlMjQ7bSbyiSqNW/UOPWDmzC7cXskL1hekSITh1Oc6JV0XCWWZ9DE8VYSB71xocLk3gmGw==",
+      "dev": true
+    },
     "is-accessor-descriptor": {
       "version": "0.1.6",
       "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
@@ -3292,6 +3399,12 @@
         }
       }
     },
+    "is-directory": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/is-directory/-/is-directory-0.3.1.tgz",
+      "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=",
+      "dev": true
+    },
     "is-extendable": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
@@ -3812,6 +3925,18 @@
         "throat": "^4.0.0"
       }
     },
+    "jest-runner-eslint": {
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/jest-runner-eslint/-/jest-runner-eslint-0.7.3.tgz",
+      "integrity": "sha512-MywU/1Fm+0PisAyYSeJ0MsmSD3oGfWyCbkgvBWu7xEChCIiCMaQ+3Cm3AvAIJZPvVlDtQtKN6lEa2QcMyF3DGQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.1",
+        "cosmiconfig": "^5.0.0",
+        "create-jest-runner": "^0.4.1",
+        "eslint": "^5.6.0"
+      }
+    },
     "jest-runtime": {
       "version": "24.0.0",
       "resolved": "https://registry.npmjs.org/jest-runtime/-/jest-runtime-24.0.0.tgz",
@@ -4055,12 +4180,6 @@
         }
       }
     },
-    "jsonify": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz",
-      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
-      "dev": true
-    },
     "jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
@@ -4212,6 +4331,15 @@
         "lodash._reinterpolate": "~3.0.0"
       }
     },
+    "log-symbols": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-2.2.0.tgz",
+      "integrity": "sha512-VeIAFslyIerEJLXHziedo2basKbMKtTw3vfn5IzG0XTjhAVEJyNHnL2p7vc+wBDSdQuUpNw3M2u6xb9QsAY5Eg==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.1"
+      }
+    },
     "loose-envify": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
@@ -4304,12 +4432,6 @@
         "readable-stream": "^2.0.1"
       }
     },
-    "memorystream": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/memorystream/-/memorystream-0.3.1.tgz",
-      "integrity": "sha1-htcJCzDORV1j+64S3aUaR93K+bI=",
-      "dev": true
-    },
     "merge": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/merge/-/merge-1.2.1.tgz",
@@ -4605,23 +4727,6 @@
         "remove-trailing-separator": "^1.0.1"
       }
     },
-    "npm-run-all": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/npm-run-all/-/npm-run-all-4.1.5.tgz",
-      "integrity": "sha512-Oo82gJDAVcaMdi3nuoKFavkIHBRVqQ1qvMb+9LHk/cF4P6B2m8aP04hGf7oL6wZ9BuGwX1onlLhpuoofSyoQDQ==",
-      "dev": true,
-      "requires": {
-        "ansi-styles": "^3.2.1",
-        "chalk": "^2.4.1",
-        "cross-spawn": "^6.0.5",
-        "memorystream": "^0.3.1",
-        "minimatch": "^3.0.4",
-        "pidtree": "^0.3.0",
-        "read-pkg": "^3.0.0",
-        "shell-quote": "^1.6.1",
-        "string.prototype.padend": "^3.0.0"
-      }
-    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -4982,12 +5087,6 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
-    "pidtree": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/pidtree/-/pidtree-0.3.0.tgz",
-      "integrity": "sha512-9CT4NFlDcosssyg8KVFltgokyKZIFjoBxw8CTGy+5F38Y1eQWrt8tRayiUOXE+zVKQnYu5BR8JjCtvK3BcnBhg==",
-      "dev": true
-    },
     "pify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
@@ -5012,6 +5111,15 @@
         "find-up": "^3.0.0"
       }
     },
+    "plur": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/plur/-/plur-3.0.1.tgz",
+      "integrity": "sha512-lJl0ojUynAM1BZn58Pas2WT/TXeC1+bS+UqShl0x9+49AtOn7DixRXVzaC8qrDOIxNDmepKnLuMTH7NQmkX0PA==",
+      "dev": true,
+      "requires": {
+        "irregular-plurals": "^2.0.0"
+      }
+    },
     "pluralize": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/pluralize/-/pluralize-7.0.0.tgz",
@@ -5612,18 +5720,6 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
       "dev": true
     },
-    "shell-quote": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.6.1.tgz",
-      "integrity": "sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=",
-      "dev": true,
-      "requires": {
-        "array-filter": "~0.0.0",
-        "array-map": "~0.0.0",
-        "array-reduce": "~0.0.0",
-        "jsonify": "~0.0.0"
-      }
-    },
     "shellwords": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/shellwords/-/shellwords-0.1.1.tgz",
@@ -6050,17 +6146,6 @@
         "strip-ansi": "^4.0.0"
       }
     },
-    "string.prototype.padend": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.padend/-/string.prototype.padend-3.0.0.tgz",
-      "integrity": "sha1-86rvfBcZ8XDF6rHDK/eA2W4h8vA=",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.4.3",
-        "function-bind": "^1.0.2"
-      }
-    },
     "string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -6105,6 +6190,24 @@
         "has-flag": "^3.0.0"
       }
     },
+    "supports-hyperlinks": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/supports-hyperlinks/-/supports-hyperlinks-1.0.1.tgz",
+      "integrity": "sha512-HHi5kVSefKaJkGYXbDuKbUGRVxqnWGn3J2e39CYcNJEfWciGq2zYtOhXLTlvrOZW1QU7VX67w7fMmWafHX9Pfw==",
+      "dev": true,
+      "requires": {
+        "has-flag": "^2.0.0",
+        "supports-color": "^5.0.0"
+      },
+      "dependencies": {
+        "has-flag": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "dev": true
+        }
+      }
+    },
     "symbol-tree": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.2.tgz",
diff --git a/package.json b/package.json
index d1f5633..722d222 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,7 @@
   ],
   "main": "src/index.js",
   "scripts": {
-    "test:eslint": "eslint .",
-    "test:jest": "jest",
-    "test": "run-s test:*"
+    "test": "jest --projects jest.*.config.js"
   },
   "peerDependencies": {
     "webpack": "^4.0.0"
@@ -37,10 +35,13 @@
   },
   "devDependencies": {
     "eslint": "^5.12.1",
+    "eslint-config-prettier": "^4.0.0",
+    "eslint-formatter-pretty": "^2.1.1",
     "eslint-plugin-prettier": "^3.0.1",
-    "npm-run-all": "^4.1.5",
-    "prettier": "^1.16.3",
+    "eslint-plugin-jest": "^22.2.2",
     "jest": "^24.0.0",
+    "jest-runner-eslint": "^0.7.3",
+    "prettier": "^1.16.3",
     "webpack": "^4.29.0"
   }
 }
diff --git a/src/licenseUtils.js b/src/licenseUtils.js
index 4376c68..406ef7c 100644
--- a/src/licenseUtils.js
+++ b/src/licenseUtils.js
@@ -18,23 +18,34 @@ const getLicenseContents = dependencyPath => {
   return licensePath && wrap(readFileSync(licensePath).toString(), licenseWrap);
 };
 
-const getLicenseName = package => {
-    if (package.licenses) {
-        const licenseName = package.licenses.map(license => license.type).join(" OR ");
-        return package.licenses.length > 1 ? `(${licenseName})` : licenseName;
-    }
-
-    return package.license;
-}
+const getLicenseName = pkg => {
+  // Valid license formats are an SPDX string expression
+  // https://www.npmjs.com/package/spdx
+  if (typeof pkg.license === "string") {
+    return pkg.license;
+  }
+  // Check for deprecated licence formats
+  // https://docs.npmjs.com/files/package.json#license
+  if (typeof pkg.license === "object") {
+    return pkg.license.type || "";
+  }
+  if (pkg.licenses && Array.isArray(pkg.licenses)) {
+    const licenseName = pkg.licenses.map(license => license.type).join(" OR ");
+    // Return the list of licenses as a composite license expression
+    return pkg.licenses.length > 1 ? `(${licenseName})` : licenseName;
+  }
+  // Fall-back to an empty string and let the validation handle the error.
+  return "";
+};
 
 const getLicenseInformationForDependency = dependencyPath => {
-  const package = require(`${dependencyPath}/package.json`);
+  const pkg = require(`${dependencyPath}/package.json`);
   return {
-    name: package.name,
-    version: package.version,
-    author: (package.author && package.author.name) || package.author,
-    repository: (package.repository && package.repository.url) || package.repository,
-    licenseName: getLicenseName(package),
+    name: pkg.name,
+    version: pkg.version,
+    author: (pkg.author && pkg.author.name) || pkg.author,
+    repository: (pkg.repository && pkg.repository.url) || pkg.repository,
+    licenseName: getLicenseName(pkg),
     licenseText: getLicenseContents(dependencyPath)
   };
 };
@@ -115,6 +126,7 @@ const writeLicenseInformation = (outputWriter, dependencies) => {
 };
 
 module.exports = {
+  getLicenseName,
   getLicenseInformationForCompilation,
   getLicenseViolations,
   getSortedLicenseInformation,
diff --git a/src/licenseUtils.spec.js b/src/licenseUtils.spec.js
new file mode 100644
index 0000000..d0a70a5
--- /dev/null
+++ b/src/licenseUtils.spec.js
@@ -0,0 +1,53 @@
+const { getLicenseName } = require("./licenseUtils");
+
+describe("getLicenseName", () => {
+  let pkg;
+  let licenseName;
+  describe("with valid license format", () => {
+    beforeEach(() => {
+      pkg = { license: "MIT" };
+      licenseName = getLicenseName(pkg);
+    });
+    it(`should return "MIT" license name`, () => {
+      expect(licenseName).toBe("MIT");
+    });
+  });
+  describe("with deprecated license format (as object)", () => {
+    beforeEach(() => {
+      pkg = { license: { type: "MIT" } };
+      licenseName = getLicenseName(pkg);
+    });
+    it(`should return "MIT" license name`, () => {
+      expect(licenseName).toBe("MIT");
+    });
+  });
+  describe("with deprecated license format (as array)", () => {
+    describe("with only one license", () => {
+      beforeEach(() => {
+        pkg = { licenses: [{ type: "MIT" }] };
+        licenseName = getLicenseName(pkg);
+      });
+      it(`should return "MIT" license name`, () => {
+        expect(licenseName).toBe("MIT");
+      });
+    });
+    describe("with multiple licenses", () => {
+      beforeEach(() => {
+        pkg = { licenses: [{ type: "MIT" }, { type: "BSD-3-Clause" }] };
+        licenseName = getLicenseName(pkg);
+      });
+      it("should return composite license names as OR", () => {
+        expect(licenseName).toBe("(MIT OR BSD-3-Clause)");
+      });
+    });
+  });
+  describe("with unknown license value of format", () => {
+    beforeEach(() => {
+      pkg = { foo: "bar" };
+      licenseName = getLicenseName(pkg);
+    });
+    it("should return empty string", () => {
+      expect(licenseName).toBe("");
+    });
+  });
+});