Add test coverage with Coveralls

.travis.yml

@@ -6,3 +6,5 @@ otp_release:
   - 20.0
   - 19.3
 sudo: false
+script:
+  - MIX_ENV=test mix coveralls.travis

README.md

@@ -2,6 +2,7 @@
 
 [![Travis](https://img.shields.io/travis/marcelotto/jsonld-ex.svg?style=flat-square)](https://travis-ci.org/marcelotto/jsonld-ex)
 [![Hex.pm](https://img.shields.io/hexpm/v/json_ld.svg?style=flat-square)](https://hex.pm/packages/json_ld)
+[![Coverage Status](https://coveralls.io/repos/github/marcelotto/json_ld.svg/badge.svg?branch=master)](https://coveralls.io/github/marcelotto/json_ld.svg?branch=master)
 
 An implementation of the [JSON-LD] standard for Elixir and [RDF.ex].
 

mix.exs

@@ -25,7 +25,16 @@ defmodule JSON.LD.Mixfile do
         source_url: @repo_url,
         source_ref: "v#{@version}",
         extras: ["README.md"],
-      ]
+      ],
+
+      # ExCoveralls
+      test_coverage: [tool: ExCoveralls],
+      preferred_cli_env: [
+        "coveralls": :test,
+        "coveralls.detail": :test,
+        "coveralls.post": :test,
+        "coveralls.html": :test
+      ],
     ]
   end
 
@@ -56,6 +65,7 @@ defmodule JSON.LD.Mixfile do
       {:credo, "~> 0.6",          only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.14",        only: :dev, runtime: false},
       {:mix_test_watch, "~> 0.3", only: :dev, runtime: false},
+      {:excoveralls, "~> 0.7",    only: :test},
     ]
   end
 end

mix.lock

@@ -1,9 +1,19 @@
 %{"bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], []},
+  "certifi": {:hex, :certifi, "2.0.0", "a0c0e475107135f76b8c1d5bc7efb33cd3815cb3cf3dea7aefdd174dabead064", [:rebar3], []},
   "credo": {:hex, :credo, "0.8.1", "137efcc99b4bc507c958ba9b5dff70149e971250813cbe7d4537ec7e36997402", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, optional: false]}]},
   "dialyxir": {:hex, :dialyxir, "0.5.0", "5bc543f9c28ecd51b99cc1a685a3c2a1a93216990347f259406a910cf048d1d7", [:mix], []},
   "earmark": {:hex, :earmark, "1.2.2", "f718159d6b65068e8daeef709ccddae5f7fdc770707d82e7d126f584cd925b74", [:mix], []},
   "ex_doc": {:hex, :ex_doc, "0.16.1", "b4b8a23602b4ce0e9a5a960a81260d1f7b29635b9652c67e95b0c2f7ccee5e81", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, optional: false]}]},
+  "excoveralls": {:hex, :excoveralls, "0.7.2", "f69ede8c122ccd3b60afc775348a53fc8c39fe4278aee2f538f0d81cc5e7ff3a", [:mix], [{:exjsx, ">= 3.0.0", [hex: :exjsx, optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, optional: false]}]},
+  "exjsx": {:hex, :exjsx, "4.0.0", "60548841e0212df401e38e63c0078ec57b33e7ea49b032c796ccad8cde794b5c", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, optional: false]}]},
   "fs": {:hex, :fs, "2.12.0", "ad631efacc9a5683c8eaa1b274e24fa64a1b8eb30747e9595b93bec7e492e25e", [:rebar3], []},
+  "hackney": {:hex, :hackney, "1.9.0", "51c506afc0a365868469dcfc79a9d0b94d896ec741cfd5bd338f49a5ec515bfe", [:rebar3], [{:certifi, "2.0.0", [hex: :certifi, optional: false]}, {:idna, "5.1.0", [hex: :idna, optional: false]}, {:metrics, "1.0.1", [hex: :metrics, optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, optional: false]}]},
+  "idna": {:hex, :idna, "5.1.0", "d72b4effeb324ad5da3cab1767cb16b17939004e789d8c0ad5b70f3cea20c89a", [:rebar3], [{:unicode_util_compat, "0.3.1", [hex: :unicode_util_compat, optional: false]}]},
+  "jsx": {:hex, :jsx, "2.8.2", "7acc7d785b5abe8a6e9adbde926a24e481f29956dd8b4df49e3e4e7bcc92a018", [:mix, :rebar3], []},
+  "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], []},
+  "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [:rebar3], []},
   "mix_test_watch": {:hex, :mix_test_watch, "0.4.0", "7e44b681b0238999d4c39b5beed77b4ac45aef1c112a763aae414bdb5bc34523", [:mix], [{:fs, "~> 2.12", [hex: :fs, optional: false]}]},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], []},
-  "rdf": {:hex, :rdf, "0.1.1", "94b2ae892740169b6631924a0dd2bb8909c9bd130294f33d5c8b1ed18fafd37a", [:mix], []}}
+  "rdf": {:hex, :rdf, "0.1.1", "94b2ae892740169b6631924a0dd2bb8909c9bd130294f33d5c8b1ed18fafd37a", [:mix], []},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.1", "28a4d65b7f59893bc2c7de786dec1e1555bd742d336043fe644ae956c3497fbe", [:make, :rebar], []},
+  "unicode_util_compat": {:hex, :unicode_util_compat, "0.3.1", "a1f612a7b512638634a603c8f401892afbf99b8ce93a45041f8aaca99cadb85e", [:rebar3], []}}