diff --git a/tests/fixtures/centos-7.7/pip-list.json b/tests/fixtures/centos-7.7/pip-list.json
new file mode 100644
index 00000000..5c5ea91f
--- /dev/null
+++ b/tests/fixtures/centos-7.7/pip-list.json
@@ -0,0 +1 @@
+[{"package": "bleach", "version": "3.1.0"}, {"package": "certifi", "version": "2019.9.11"}, {"package": "chardet", "version": "3.0.4"}, {"package": "docutils", "version": "0.15.2"}, {"package": "idna", "version": "2.8"}, {"package": "ifconfig-parser", "version": "0.0.5"}, {"package": "jc", "version": "1.5.1"}, {"package": "pip", "version": "19.3.1"}, {"package": "pkginfo", "version": "1.5.0.1"}, {"package": "Pygments", "version": "2.4.2"}, {"package": "readme-renderer", "version": "24.0"}, {"package": "requests", "version": "2.22.0"}, {"package": "requests-toolbelt", "version": "0.9.1"}, {"package": "setuptools", "version": "39.2.0"}, {"package": "six", "version": "1.12.0"}, {"package": "tqdm", "version": "4.36.1"}, {"package": "twine", "version": "2.0.0"}, {"package": "urllib3", "version": "1.25.6"}, {"package": "webencodings", "version": "0.5.1"}, {"package": "wheel", "version": "0.33.6"}]
diff --git a/tests/fixtures/centos-7.7/pip-list.out b/tests/fixtures/centos-7.7/pip-list.out
new file mode 100644
index 00000000..e5c48f36
--- /dev/null
+++ b/tests/fixtures/centos-7.7/pip-list.out
@@ -0,0 +1,22 @@
+Package           Version  
+----------------- ---------
+bleach            3.1.0    
+certifi           2019.9.11
+chardet           3.0.4    
+docutils          0.15.2   
+idna              2.8      
+ifconfig-parser   0.0.5    
+jc                1.5.1    
+pip               19.3.1   
+pkginfo           1.5.0.1  
+Pygments          2.4.2    
+readme-renderer   24.0     
+requests          2.22.0   
+requests-toolbelt 0.9.1    
+setuptools        39.2.0   
+six               1.12.0   
+tqdm              4.36.1   
+twine             2.0.0    
+urllib3           1.25.6   
+webencodings      0.5.1    
+wheel             0.33.6   
diff --git a/tests/fixtures/centos-7.7/pip-show.json b/tests/fixtures/centos-7.7/pip-show.json
new file mode 100644
index 00000000..ad1c7db8
--- /dev/null
+++ b/tests/fixtures/centos-7.7/pip-show.json
@@ -0,0 +1 @@
+[{"name": "setuptools", "version": "39.2.0", "summary": "Easily download, build, install, upgrade, and uninstall Python packages", "home_page": "https://github.com/pypa/setuptools", "author": "Python Packaging Authority", "author_email": "distutils-sig@python.org", "license": "UNKNOWN", "location": "/usr/lib/python3.6/site-packages", "requires": null, "required_by": "twine"}, {"name": "pkginfo", "version": "1.5.0.1", "summary": "Query metadatdata from sdists / bdists / installed packages.", "home_page": "https://code.launchpad.net/~tseaver/pkginfo/trunk", "author": "Tres Seaver, Agendaless Consulting", "author_email": "tseaver@agendaless.com", "license": "MIT", "location": "/home/kbrazil/.local/lib/python3.6/site-packages", "requires": null, "required_by": "twine"}, {"name": "six", "version": "1.12.0", "summary": "Python 2 and 3 compatibility utilities", "home_page": "https://github.com/benjaminp/six", "author": "Benjamin Peterson", "author_email": "benjamin@python.org", "license": "MIT", "location": "/home/kbrazil/.local/lib/python3.6/site-packages", "requires": null, "required_by": "readme-renderer, bleach"}]
diff --git a/tests/fixtures/centos-7.7/pip-show.out b/tests/fixtures/centos-7.7/pip-show.out
new file mode 100644
index 00000000..4c010110
--- /dev/null
+++ b/tests/fixtures/centos-7.7/pip-show.out
@@ -0,0 +1,32 @@
+Name: setuptools
+Version: 39.2.0
+Summary: Easily download, build, install, upgrade, and uninstall Python packages
+Home-page: https://github.com/pypa/setuptools
+Author: Python Packaging Authority
+Author-email: distutils-sig@python.org
+License: UNKNOWN
+Location: /usr/lib/python3.6/site-packages
+Requires: 
+Required-by: twine
+---
+Name: pkginfo
+Version: 1.5.0.1
+Summary: Query metadatdata from sdists / bdists / installed packages.
+Home-page: https://code.launchpad.net/~tseaver/pkginfo/trunk
+Author: Tres Seaver, Agendaless Consulting
+Author-email: tseaver@agendaless.com
+License: MIT
+Location: /home/kbrazil/.local/lib/python3.6/site-packages
+Requires: 
+Required-by: twine
+---
+Name: six
+Version: 1.12.0
+Summary: Python 2 and 3 compatibility utilities
+Home-page: https://github.com/benjaminp/six
+Author: Benjamin Peterson
+Author-email: benjamin@python.org
+License: MIT
+Location: /home/kbrazil/.local/lib/python3.6/site-packages
+Requires: 
+Required-by: readme-renderer, bleach
diff --git a/tests/fixtures/create_fixtures.sh b/tests/fixtures/create_fixtures.sh
index 357c9c06..a3933122 100644
--- a/tests/fixtures/create_fixtures.sh
+++ b/tests/fixtures/create_fixtures.sh
@@ -66,3 +66,5 @@ systemctl -a list-sockets > systemctl-ls.out
 systemctl -a list-jobs > systemctl-jobs.out
 
 du /usr > du.out
+pip3 list > pip-list.out
+pip3 show wheel pip jc > pip-show.out
diff --git a/tests/fixtures/osx-10.11.6/pip-list.json b/tests/fixtures/osx-10.11.6/pip-list.json
new file mode 100644
index 00000000..1ff60c1a
--- /dev/null
+++ b/tests/fixtures/osx-10.11.6/pip-list.json
@@ -0,0 +1 @@
+[{"package": "ifconfig-parser", "version": "0.0.5"}, {"package": "jc", "version": "1.5.1"}, {"package": "pip", "version": "19.3.1"}, {"package": "setuptools", "version": "41.6.0"}, {"package": "wheel", "version": "0.33.6"}]
diff --git a/tests/fixtures/osx-10.11.6/pip-list.out b/tests/fixtures/osx-10.11.6/pip-list.out
new file mode 100755
index 00000000..6bde1823
--- /dev/null
+++ b/tests/fixtures/osx-10.11.6/pip-list.out
@@ -0,0 +1,7 @@
+Package         Version
+--------------- -------
+ifconfig-parser 0.0.5  
+jc              1.5.1  
+pip             19.3.1 
+setuptools      41.6.0 
+wheel           0.33.6 
diff --git a/tests/fixtures/osx-10.11.6/pip-show.json b/tests/fixtures/osx-10.11.6/pip-show.json
new file mode 100644
index 00000000..23f1623e
--- /dev/null
+++ b/tests/fixtures/osx-10.11.6/pip-show.json
@@ -0,0 +1 @@
+[{"name": "pip", "version": "19.3.1", "summary": "The PyPA recommended tool for installing Python packages.", "home_page": "https://pip.pypa.io/", "author": "The pip developers", "author_email": "pypa-dev@groups.google.com", "license": "MIT", "location": "/usr/local/lib/python3.7/site-packages", "requires": null, "required_by": null}, {"name": "setuptools", "version": "41.6.0", "summary": "Easily download, build, install, upgrade, and uninstall Python packages", "home_page": "https://github.com/pypa/setuptools", "author": "Python Packaging Authority", "author_email": "distutils-sig@python.org", "license": "UNKNOWN", "location": "/usr/local/lib/python3.7/site-packages", "requires": null, "required_by": null}, {"name": "wheel", "version": "0.33.6", "summary": "A built-package format for Python.", "home_page": "https://github.com/pypa/wheel", "author": "Daniel Holth", "author_email": "dholth@fastmail.fm", "license": "MIT", "location": "/usr/local/lib/python3.7/site-packages", "requires": null, "required_by": null}]
diff --git a/tests/fixtures/osx-10.11.6/pip-show.out b/tests/fixtures/osx-10.11.6/pip-show.out
new file mode 100755
index 00000000..e7683e62
--- /dev/null
+++ b/tests/fixtures/osx-10.11.6/pip-show.out
@@ -0,0 +1,32 @@
+Name: pip
+Version: 19.3.1
+Summary: The PyPA recommended tool for installing Python packages.
+Home-page: https://pip.pypa.io/
+Author: The pip developers
+Author-email: pypa-dev@groups.google.com
+License: MIT
+Location: /usr/local/lib/python3.7/site-packages
+Requires: 
+Required-by: 
+---
+Name: setuptools
+Version: 41.6.0
+Summary: Easily download, build, install, upgrade, and uninstall Python packages
+Home-page: https://github.com/pypa/setuptools
+Author: Python Packaging Authority
+Author-email: distutils-sig@python.org
+License: UNKNOWN
+Location: /usr/local/lib/python3.7/site-packages
+Requires: 
+Required-by: 
+---
+Name: wheel
+Version: 0.33.6
+Summary: A built-package format for Python.
+Home-page: https://github.com/pypa/wheel
+Author: Daniel Holth
+Author-email: dholth@fastmail.fm
+License: MIT
+Location: /usr/local/lib/python3.7/site-packages
+Requires: 
+Required-by: 
diff --git a/tests/fixtures/osx-10.14.6/pip-list.json b/tests/fixtures/osx-10.14.6/pip-list.json
new file mode 100644
index 00000000..2156e4f2
--- /dev/null
+++ b/tests/fixtures/osx-10.14.6/pip-list.json
@@ -0,0 +1 @@
+[{"package": "ifconfig-parser", "version": "0.0.4"}, {"package": "jc", "version": "1.5.1"}, {"package": "pip", "version": "19.3.1"}, {"package": "setuptools", "version": "41.6.0"}, {"package": "wheel", "version": "0.33.6"}]
diff --git a/tests/fixtures/osx-10.14.6/pip-list.out b/tests/fixtures/osx-10.14.6/pip-list.out
new file mode 100755
index 00000000..a080cd1c
--- /dev/null
+++ b/tests/fixtures/osx-10.14.6/pip-list.out
@@ -0,0 +1,7 @@
+Package         Version
+--------------- -------
+ifconfig-parser 0.0.4  
+jc              1.5.1  
+pip             19.3.1 
+setuptools      41.6.0 
+wheel           0.33.6 
diff --git a/tests/fixtures/osx-10.14.6/pip-show.json b/tests/fixtures/osx-10.14.6/pip-show.json
new file mode 100644
index 00000000..68ca9a5c
--- /dev/null
+++ b/tests/fixtures/osx-10.14.6/pip-show.json
@@ -0,0 +1 @@
+[{"name": "pip", "version": "19.3.1", "summary": "The PyPA recommended tool for installing Python packages.", "home_page": "https://pip.pypa.io/", "author": "The pip developers", "author_email": "pypa-dev@groups.google.com", "license": "MIT", "location": "/usr/local/lib/python3.7/site-packages", "requires": null, "required_by": null}, {"name": "jc", "version": "1.5.1", "summary": "This tool serializes the output of popular command line tools to structured JSON output.", "home_page": "https://github.com/kellyjonbrazil/jc", "author": "Kelly Brazil", "author_email": "kellyjonbrazil@gmail.com", "license": "MIT", "location": "/usr/local/lib/python3.7/site-packages", "requires": "ifconfig-parser", "required_by": null}, {"name": "ifconfig-parser", "version": "0.0.4", "summary": "ifconfig-parser", "home_page": "https://github.com/KnightWhoSayNi/ifconfig-parser", "author": "KnightWhoSayNi", "author_email": "threeheadedknight@protonmail.com", "license": "MIT license", "location": "/usr/local/lib/python3.7/site-packages", "requires": null, "required_by": "jc"}]
diff --git a/tests/fixtures/osx-10.14.6/pip-show.out b/tests/fixtures/osx-10.14.6/pip-show.out
new file mode 100755
index 00000000..b3b0f678
--- /dev/null
+++ b/tests/fixtures/osx-10.14.6/pip-show.out
@@ -0,0 +1,32 @@
+Name: pip
+Version: 19.3.1
+Summary: The PyPA recommended tool for installing Python packages.
+Home-page: https://pip.pypa.io/
+Author: The pip developers
+Author-email: pypa-dev@groups.google.com
+License: MIT
+Location: /usr/local/lib/python3.7/site-packages
+Requires: 
+Required-by: 
+---
+Name: jc
+Version: 1.5.1
+Summary: This tool serializes the output of popular command line tools to structured JSON output.
+Home-page: https://github.com/kellyjonbrazil/jc
+Author: Kelly Brazil
+Author-email: kellyjonbrazil@gmail.com
+License: MIT
+Location: /usr/local/lib/python3.7/site-packages
+Requires: ifconfig-parser
+Required-by: 
+---
+Name: ifconfig-parser
+Version: 0.0.4
+Summary: ifconfig-parser
+Home-page: https://github.com/KnightWhoSayNi/ifconfig-parser
+Author: KnightWhoSayNi
+Author-email: threeheadedknight@protonmail.com
+License: MIT license
+Location: /usr/local/lib/python3.7/site-packages
+Requires: 
+Required-by: jc
diff --git a/tests/fixtures/ubuntu-18.04/pip-list-legacy.json b/tests/fixtures/ubuntu-18.04/pip-list-legacy.json
new file mode 100644
index 00000000..56b90965
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-list-legacy.json
@@ -0,0 +1 @@
+[{"package": "asn1crypto", "version": "0.24.0"}, {"package": "attrs", "version": "17.4.0"}, {"package": "Automat", "version": "0.6.0"}, {"package": "blinker", "version": "1.4"}, {"package": "certifi", "version": "2018.1.18"}, {"package": "chardet", "version": "3.0.4"}, {"package": "click", "version": "6.7"}, {"package": "cloud-init", "version": "19.1"}, {"package": "colorama", "version": "0.3.7"}, {"package": "command-not-found", "version": "0.3"}, {"package": "configobj", "version": "5.0.6"}, {"package": "constantly", "version": "15.1.0"}, {"package": "cryptography", "version": "2.1.4"}, {"package": "distro-info", "version": "0.18ubuntu0.18.04.1"}, {"package": "httplib2", "version": "0.9.2"}, {"package": "hyperlink", "version": "17.3.1"}, {"package": "idna", "version": "2.6"}, {"package": "ifconfig-parser", "version": "0.0.5"}, {"package": "incremental", "version": "16.10.1"}, {"package": "jc", "version": "1.5.1"}, {"package": "Jinja2", "version": "2.10"}, {"package": "jsonpatch", "version": "1.16"}, {"package": "jsonpointer", "version": "1.10"}, {"package": "jsonschema", "version": "2.6.0"}, {"package": "keyring", "version": "10.6.0"}, {"package": "keyrings.alt", "version": "3.0"}, {"package": "language-selector", "version": "0.1"}, {"package": "MarkupSafe", "version": "1.0"}, {"package": "netifaces", "version": "0.10.4"}, {"package": "oauthlib", "version": "2.0.6"}, {"package": "PAM", "version": "0.4.2"}, {"package": "pip", "version": "9.0.1"}, {"package": "pyasn1", "version": "0.4.2"}, {"package": "pyasn1-modules", "version": "0.2.1"}, {"package": "pycrypto", "version": "2.6.1"}, {"package": "pygobject", "version": "3.26.1"}, {"package": "PyJWT", "version": "1.5.3"}, {"package": "pyOpenSSL", "version": "17.5.0"}, {"package": "pyserial", "version": "3.4"}, {"package": "python-apt", "version": "1.6.4"}, {"package": "python-debian", "version": "0.1.32"}, {"package": "pyxdg", "version": "0.25"}, {"package": "PyYAML", "version": "3.12"}, {"package": "requests", "version": "2.18.4"}, {"package": "requests-unixsocket", "version": "0.1.5"}, {"package": "SecretStorage", "version": "2.3.1"}, {"package": "service-identity", "version": "16.0.0"}, {"package": "setuptools", "version": "39.0.1"}, {"package": "six", "version": "1.11.0"}, {"package": "ssh-import-id", "version": "5.7"}, {"package": "systemd-python", "version": "234"}, {"package": "Twisted", "version": "17.9.0"}, {"package": "ufw", "version": "0.36"}, {"package": "unattended-upgrades", "version": "0.1"}, {"package": "urllib3", "version": "1.22"}, {"package": "wheel", "version": "0.30.0"}, {"package": "zope.interface", "version": "4.3.2"}]
diff --git a/tests/fixtures/ubuntu-18.04/pip-list-legacy.out b/tests/fixtures/ubuntu-18.04/pip-list-legacy.out
new file mode 100644
index 00000000..8fd74f3e
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-list-legacy.out
@@ -0,0 +1,57 @@
+asn1crypto (0.24.0)
+attrs (17.4.0)
+Automat (0.6.0)
+blinker (1.4)
+certifi (2018.1.18)
+chardet (3.0.4)
+click (6.7)
+cloud-init (19.1)
+colorama (0.3.7)
+command-not-found (0.3)
+configobj (5.0.6)
+constantly (15.1.0)
+cryptography (2.1.4)
+distro-info (0.18ubuntu0.18.04.1)
+httplib2 (0.9.2)
+hyperlink (17.3.1)
+idna (2.6)
+ifconfig-parser (0.0.5)
+incremental (16.10.1)
+jc (1.5.1)
+Jinja2 (2.10)
+jsonpatch (1.16)
+jsonpointer (1.10)
+jsonschema (2.6.0)
+keyring (10.6.0)
+keyrings.alt (3.0)
+language-selector (0.1)
+MarkupSafe (1.0)
+netifaces (0.10.4)
+oauthlib (2.0.6)
+PAM (0.4.2)
+pip (9.0.1)
+pyasn1 (0.4.2)
+pyasn1-modules (0.2.1)
+pycrypto (2.6.1)
+pygobject (3.26.1)
+PyJWT (1.5.3)
+pyOpenSSL (17.5.0)
+pyserial (3.4)
+python-apt (1.6.4)
+python-debian (0.1.32)
+pyxdg (0.25)
+PyYAML (3.12)
+requests (2.18.4)
+requests-unixsocket (0.1.5)
+SecretStorage (2.3.1)
+service-identity (16.0.0)
+setuptools (39.0.1)
+six (1.11.0)
+ssh-import-id (5.7)
+systemd-python (234)
+Twisted (17.9.0)
+ufw (0.36)
+unattended-upgrades (0.1)
+urllib3 (1.22)
+wheel (0.30.0)
+zope.interface (4.3.2)
diff --git a/tests/fixtures/ubuntu-18.04/pip-list.json b/tests/fixtures/ubuntu-18.04/pip-list.json
new file mode 100644
index 00000000..56b90965
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-list.json
@@ -0,0 +1 @@
+[{"package": "asn1crypto", "version": "0.24.0"}, {"package": "attrs", "version": "17.4.0"}, {"package": "Automat", "version": "0.6.0"}, {"package": "blinker", "version": "1.4"}, {"package": "certifi", "version": "2018.1.18"}, {"package": "chardet", "version": "3.0.4"}, {"package": "click", "version": "6.7"}, {"package": "cloud-init", "version": "19.1"}, {"package": "colorama", "version": "0.3.7"}, {"package": "command-not-found", "version": "0.3"}, {"package": "configobj", "version": "5.0.6"}, {"package": "constantly", "version": "15.1.0"}, {"package": "cryptography", "version": "2.1.4"}, {"package": "distro-info", "version": "0.18ubuntu0.18.04.1"}, {"package": "httplib2", "version": "0.9.2"}, {"package": "hyperlink", "version": "17.3.1"}, {"package": "idna", "version": "2.6"}, {"package": "ifconfig-parser", "version": "0.0.5"}, {"package": "incremental", "version": "16.10.1"}, {"package": "jc", "version": "1.5.1"}, {"package": "Jinja2", "version": "2.10"}, {"package": "jsonpatch", "version": "1.16"}, {"package": "jsonpointer", "version": "1.10"}, {"package": "jsonschema", "version": "2.6.0"}, {"package": "keyring", "version": "10.6.0"}, {"package": "keyrings.alt", "version": "3.0"}, {"package": "language-selector", "version": "0.1"}, {"package": "MarkupSafe", "version": "1.0"}, {"package": "netifaces", "version": "0.10.4"}, {"package": "oauthlib", "version": "2.0.6"}, {"package": "PAM", "version": "0.4.2"}, {"package": "pip", "version": "9.0.1"}, {"package": "pyasn1", "version": "0.4.2"}, {"package": "pyasn1-modules", "version": "0.2.1"}, {"package": "pycrypto", "version": "2.6.1"}, {"package": "pygobject", "version": "3.26.1"}, {"package": "PyJWT", "version": "1.5.3"}, {"package": "pyOpenSSL", "version": "17.5.0"}, {"package": "pyserial", "version": "3.4"}, {"package": "python-apt", "version": "1.6.4"}, {"package": "python-debian", "version": "0.1.32"}, {"package": "pyxdg", "version": "0.25"}, {"package": "PyYAML", "version": "3.12"}, {"package": "requests", "version": "2.18.4"}, {"package": "requests-unixsocket", "version": "0.1.5"}, {"package": "SecretStorage", "version": "2.3.1"}, {"package": "service-identity", "version": "16.0.0"}, {"package": "setuptools", "version": "39.0.1"}, {"package": "six", "version": "1.11.0"}, {"package": "ssh-import-id", "version": "5.7"}, {"package": "systemd-python", "version": "234"}, {"package": "Twisted", "version": "17.9.0"}, {"package": "ufw", "version": "0.36"}, {"package": "unattended-upgrades", "version": "0.1"}, {"package": "urllib3", "version": "1.22"}, {"package": "wheel", "version": "0.30.0"}, {"package": "zope.interface", "version": "4.3.2"}]
diff --git a/tests/fixtures/ubuntu-18.04/pip-list.out b/tests/fixtures/ubuntu-18.04/pip-list.out
new file mode 100644
index 00000000..8d864130
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-list.out
@@ -0,0 +1,59 @@
+Package             Version            
+------------------- -------------------
+asn1crypto          0.24.0             
+attrs               17.4.0             
+Automat             0.6.0              
+blinker             1.4                
+certifi             2018.1.18          
+chardet             3.0.4              
+click               6.7                
+cloud-init          19.1               
+colorama            0.3.7              
+command-not-found   0.3                
+configobj           5.0.6              
+constantly          15.1.0             
+cryptography        2.1.4              
+distro-info         0.18ubuntu0.18.04.1
+httplib2            0.9.2              
+hyperlink           17.3.1             
+idna                2.6                
+ifconfig-parser     0.0.5              
+incremental         16.10.1            
+jc                  1.5.1              
+Jinja2              2.10               
+jsonpatch           1.16               
+jsonpointer         1.10               
+jsonschema          2.6.0              
+keyring             10.6.0             
+keyrings.alt        3.0                
+language-selector   0.1                
+MarkupSafe          1.0                
+netifaces           0.10.4             
+oauthlib            2.0.6              
+PAM                 0.4.2              
+pip                 9.0.1              
+pyasn1              0.4.2              
+pyasn1-modules      0.2.1              
+pycrypto            2.6.1              
+pygobject           3.26.1             
+PyJWT               1.5.3              
+pyOpenSSL           17.5.0             
+pyserial            3.4                
+python-apt          1.6.4              
+python-debian       0.1.32             
+pyxdg               0.25               
+PyYAML              3.12               
+requests            2.18.4             
+requests-unixsocket 0.1.5              
+SecretStorage       2.3.1              
+service-identity    16.0.0             
+setuptools          39.0.1             
+six                 1.11.0             
+ssh-import-id       5.7                
+systemd-python      234                
+Twisted             17.9.0             
+ufw                 0.36               
+unattended-upgrades 0.1                
+urllib3             1.22               
+wheel               0.30.0             
+zope.interface      4.3.2              
diff --git a/tests/fixtures/ubuntu-18.04/pip-show.json b/tests/fixtures/ubuntu-18.04/pip-show.json
new file mode 100644
index 00000000..0a3836d8
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-show.json
@@ -0,0 +1 @@
+[{"name": "pycrypto", "version": "2.6.1", "summary": "Cryptographic modules for Python.", "home_page": "http://www.pycrypto.org/", "author": "Dwayne C. Litzenberger", "author_email": "dlitz@dlitz.net", "license": "UNKNOWN", "location": "/usr/lib/python3/dist-packages", "requires": null}, {"name": "six", "version": "1.11.0", "summary": "Python 2 and 3 compatibility utilities", "home_page": "http://pypi.python.org/pypi/six/", "author": "Benjamin Peterson", "author_email": "benjamin@python.org", "license": "MIT", "location": "/usr/lib/python3/dist-packages", "requires": null}, {"name": "wheel", "version": "0.30.0", "summary": "A built-package format for Python.", "home_page": "https://github.com/pypa/wheel", "author": "Alex Gr\u00f6nholm", "author_email": "alex.gronholm@nextday.fi", "license": "MIT", "location": "/usr/lib/python3/dist-packages", "requires": null}]
diff --git a/tests/fixtures/ubuntu-18.04/pip-show.out b/tests/fixtures/ubuntu-18.04/pip-show.out
new file mode 100644
index 00000000..ecb157e0
--- /dev/null
+++ b/tests/fixtures/ubuntu-18.04/pip-show.out
@@ -0,0 +1,29 @@
+Name: pycrypto
+Version: 2.6.1
+Summary: Cryptographic modules for Python.
+Home-page: http://www.pycrypto.org/
+Author: Dwayne C. Litzenberger
+Author-email: dlitz@dlitz.net
+License: UNKNOWN
+Location: /usr/lib/python3/dist-packages
+Requires: 
+---
+Name: six
+Version: 1.11.0
+Summary: Python 2 and 3 compatibility utilities
+Home-page: http://pypi.python.org/pypi/six/
+Author: Benjamin Peterson
+Author-email: benjamin@python.org
+License: MIT
+Location: /usr/lib/python3/dist-packages
+Requires: 
+---
+Name: wheel
+Version: 0.30.0
+Summary: A built-package format for Python.
+Home-page: https://github.com/pypa/wheel
+Author: Alex Grönholm
+Author-email: alex.gronholm@nextday.fi
+License: MIT
+Location: /usr/lib/python3/dist-packages
+Requires: 
diff --git a/tests/test_pip_list.py b/tests/test_pip_list.py
new file mode 100644
index 00000000..70a5ffb1
--- /dev/null
+++ b/tests/test_pip_list.py
@@ -0,0 +1,76 @@
+import os
+import json
+import unittest
+import jc.parsers.pip_list
+
+THIS_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+class MyTests(unittest.TestCase):
+
+    def setUp(self):
+        # input
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/pip-list.out'), 'r') as f:
+            self.centos_7_7_pip_list = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-list.out'), 'r') as f:
+            self.ubuntu_18_4_pip_list = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-list-legacy.out'), 'r') as f:
+            self.ubuntu_18_4_pip_list_legacy = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.11.6/pip-list.out'), 'r') as f:
+            self.osx_10_11_6_pip_list = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/pip-list.out'), 'r') as f:
+            self.osx_10_14_6_pip_list = f.read()
+
+        # output
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/pip-list.json'), 'r') as f:
+            self.centos_7_7_pip_list_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-list.json'), 'r') as f:
+            self.ubuntu_18_4_pip_list_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-list-legacy.json'), 'r') as f:
+            self.ubuntu_18_4_pip_list_legacy_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.11.6/pip-list.json'), 'r') as f:
+            self.osx_10_11_6_pip_list_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/pip-list.json'), 'r') as f:
+            self.osx_10_14_6_pip_list_json = json.loads(f.read())
+
+    def test_pip_list_centos_7_7(self):
+        """
+        Test 'pip_list' on Centos 7.7
+        """
+        self.assertEqual(jc.parsers.pip_list.parse(self.centos_7_7_pip_list, quiet=True), self.centos_7_7_pip_list_json)
+
+    def test_pip_list_ubuntu_18_4(self):
+        """
+        Test 'pip_list' on Ubuntu 18.4
+        """
+        self.assertEqual(jc.parsers.pip_list.parse(self.ubuntu_18_4_pip_list, quiet=True), self.ubuntu_18_4_pip_list_json)
+
+    def test_pip_list_legacy_ubuntu_18_4(self):
+        """
+        Test 'pip_list' with legacy output on Ubuntu 18.4
+        """
+        self.assertEqual(jc.parsers.pip_list.parse(self.ubuntu_18_4_pip_list_legacy, quiet=True), self.ubuntu_18_4_pip_list_legacy_json)
+
+    def test_pip_list_osx_10_11_6(self):
+        """
+        Test 'pip_list' on OSX 10.11.6
+        """
+        self.assertEqual(jc.parsers.pip_list.parse(self.osx_10_11_6_pip_list, quiet=True), self.osx_10_11_6_pip_list_json)
+
+    def test_pip_list_osx_10_14_6(self):
+        """
+        Test 'pip_list' on OSX 10.14.6
+        """
+        self.assertEqual(jc.parsers.pip_list.parse(self.osx_10_14_6_pip_list, quiet=True), self.osx_10_14_6_pip_list_json)
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_pip_show.py b/tests/test_pip_show.py
new file mode 100644
index 00000000..318b3cbc
--- /dev/null
+++ b/tests/test_pip_show.py
@@ -0,0 +1,64 @@
+import os
+import json
+import unittest
+import jc.parsers.pip_show
+
+THIS_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+class MyTests(unittest.TestCase):
+
+    def setUp(self):
+        # input
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/pip-show.out'), 'r') as f:
+            self.centos_7_7_pip_show = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-show.out'), 'r') as f:
+            self.ubuntu_18_4_pip_show = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.11.6/pip-show.out'), 'r') as f:
+            self.osx_10_11_6_pip_show = f.read()
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/pip-show.out'), 'r') as f:
+            self.osx_10_14_6_pip_show = f.read()
+
+        # output
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/centos-7.7/pip-show.json'), 'r') as f:
+            self.centos_7_7_pip_show_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/ubuntu-18.04/pip-show.json'), 'r') as f:
+            self.ubuntu_18_4_pip_show_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.11.6/pip-show.json'), 'r') as f:
+            self.osx_10_11_6_pip_show_json = json.loads(f.read())
+
+        with open(os.path.join(THIS_DIR, os.pardir, 'tests/fixtures/osx-10.14.6/pip-show.json'), 'r') as f:
+            self.osx_10_14_6_pip_show_json = json.loads(f.read())
+
+    def test_pip_show_centos_7_7(self):
+        """
+        Test 'pip show' on Centos 7.7
+        """
+        self.assertEqual(jc.parsers.pip_show.parse(self.centos_7_7_pip_show, quiet=True), self.centos_7_7_pip_show_json)
+
+    def test_pip_show_ubuntu_18_4(self):
+        """
+        Test 'pip show' on Ubuntu 18.4
+        """
+        self.assertEqual(jc.parsers.pip_show.parse(self.ubuntu_18_4_pip_show, quiet=True), self.ubuntu_18_4_pip_show_json)
+
+    def test_pip_show_osx_10_11_6(self):
+        """
+        Test 'pip show' on OSX 10.11.6
+        """
+        self.assertEqual(jc.parsers.pip_show.parse(self.osx_10_11_6_pip_show, quiet=True), self.osx_10_11_6_pip_show_json)
+
+    def test_pip_show_osx_10_14_6(self):
+        """
+        Test 'pip show' on OSX 10.14.6
+        """
+        self.assertEqual(jc.parsers.pip_show.parse(self.osx_10_14_6_pip_show, quiet=True), self.osx_10_14_6_pip_show_json)
+
+
+if __name__ == '__main__':
+    unittest.main()