diff --git a/jest/__fixtures__/projectImageFiles.json b/jest/__fixtures__/projectImageFiles.json
new file mode 100644
index 0000000..4aa9d71
--- /dev/null
+++ b/jest/__fixtures__/projectImageFiles.json
@@ -0,0 +1,361 @@
+{
+  "projectImageFiles": {
+    "edges": [
+      {
+        "node": {
+          "name": "meta"
+        }
+      },
+      {
+        "node": {
+          "name": "projects"
+        }
+      },
+      {
+        "node": {
+          "name": "chartmogul-05"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-05"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-06"
+        }
+      },
+      {
+        "node": {
+          "name": "ipixelpad-01"
+        }
+      },
+      {
+        "node": {
+          "name": "allinnia-02"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-03"
+        }
+      },
+      {
+        "node": {
+          "name": "ipdb-04"
+        }
+      },
+      {
+        "node": {
+          "name": "allinnia-03"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-07"
+        }
+      },
+      {
+        "node": {
+          "name": "unihalle-03"
+        }
+      },
+      {
+        "node": {
+          "name": "oceanprotocol-05"
+        }
+      },
+      {
+        "node": {
+          "name": "apertureloupe-01"
+        }
+      },
+      {
+        "node": {
+          "name": "coffeecup-01"
+        }
+      },
+      {
+        "node": {
+          "name": "ipdb-01"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-04"
+        }
+      },
+      {
+        "node": {
+          "name": "mrreader-01"
+        }
+      },
+      {
+        "node": {
+          "name": "mrreader-02"
+        }
+      },
+      {
+        "node": {
+          "name": "unihalle-02"
+        }
+      },
+      {
+        "node": {
+          "name": "chartmogul-02"
+        }
+      },
+      {
+        "node": {
+          "name": "ipdb-03"
+        }
+      },
+      {
+        "node": {
+          "name": "bigchaindb-02"
+        }
+      },
+      {
+        "node": {
+          "name": "chartmogul-03"
+        }
+      },
+      {
+        "node": {
+          "name": "ipdb-02"
+        }
+      },
+      {
+        "node": {
+          "name": "oceanprotocol-02"
+        }
+      },
+      {
+        "node": {
+          "name": "bigchaindb-03"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-08"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-02"
+        }
+      },
+      {
+        "node": {
+          "name": "oceanprotocol-03"
+        }
+      },
+      {
+        "node": {
+          "name": "outofwhaleoil-02"
+        }
+      },
+      {
+        "node": {
+          "name": "bigchaindb-05"
+        }
+      },
+      {
+        "node": {
+          "name": "oceanprotocol-04"
+        }
+      },
+      {
+        "node": {
+          "name": "outofwhaleoil-01"
+        }
+      },
+      {
+        "node": {
+          "name": "9984-02"
+        }
+      },
+      {
+        "node": {
+          "name": "niepces-camera-obscura-01"
+        }
+      },
+      {
+        "node": {
+          "name": "niepces-camera-obscura-02"
+        }
+      },
+      {
+        "node": {
+          "name": "adiumeetie-01"
+        }
+      },
+      {
+        "node": {
+          "name": "oceanprotocol-01"
+        }
+      },
+      {
+        "node": {
+          "name": "outofwhaleoil-03"
+        }
+      },
+      {
+        "node": {
+          "name": "unihalle-01"
+        }
+      },
+      {
+        "node": {
+          "name": "ezeep-01"
+        }
+      },
+      {
+        "node": {
+          "name": "chartmogul-01"
+        }
+      },
+      {
+        "node": {
+          "name": "bigchaindb-04"
+        }
+      },
+      {
+        "node": {
+          "name": "9984-01"
+        }
+      },
+      {
+        "node": {
+          "name": "chartmogul-04"
+        }
+      },
+      {
+        "node": {
+          "name": "mrreader-03"
+        }
+      },
+      {
+        "node": {
+          "name": "bigchaindb-01"
+        }
+      },
+      {
+        "node": {
+          "name": "projectpurple-01"
+        }
+      },
+      {
+        "node": {
+          "name": "biv-01"
+        }
+      },
+      {
+        "node": {
+          "name": "sharethemeal-01"
+        }
+      },
+      {
+        "node": {
+          "name": "allinnia-01"
+        }
+      },
+      {
+        "node": {
+          "name": "package"
+        }
+      },
+      {
+        "node": {
+          "name": "day"
+        }
+      },
+      {
+        "node": {
+          "name": "download"
+        }
+      },
+      {
+        "node": {
+          "name": "blog"
+        }
+      },
+      {
+        "node": {
+          "name": "dribbble"
+        }
+      },
+      {
+        "node": {
+          "name": "email"
+        }
+      },
+      {
+        "node": {
+          "name": "favicon"
+        }
+      },
+      {
+        "node": {
+          "name": "github"
+        }
+      },
+      {
+        "node": {
+          "name": "index"
+        }
+      },
+      {
+        "node": {
+          "name": "info"
+        }
+      },
+      {
+        "node": {
+          "name": "logo"
+        }
+      },
+      {
+        "node": {
+          "name": "images"
+        }
+      },
+      {
+        "node": {
+          "name": "night"
+        }
+      },
+      {
+        "node": {
+          "name": "link"
+        }
+      },
+      {
+        "node": {
+          "name": "twitter-card"
+        }
+      },
+      {
+        "node": {
+          "name": "twitter"
+        }
+      },
+      {
+        "node": {
+          "name": "styleguide"
+        }
+      },
+      {
+        "node": {
+          "name": "github-header"
+        }
+      },
+      {
+        "node": {
+          "name": "avatar"
+        }
+      }
+    ]
+  }
+}
diff --git a/src/components/atoms/Vcard.test.jsx b/src/components/atoms/Vcard.test.jsx
index d346120..39bd2b4 100644
--- a/src/components/atoms/Vcard.test.jsx
+++ b/src/components/atoms/Vcard.test.jsx
@@ -1,5 +1,5 @@
 import React from 'react'
-import { render } from 'react-testing-library'
+import { render, fireEvent, waitForElement } from 'react-testing-library'
 import { StaticQuery } from 'gatsby'
 import Vcard, { constructVcard, toDataURL, init } from './Vcard'
 import data from '../../../jest/__fixtures__/meta.json'
@@ -16,6 +16,13 @@ describe('Vcard', () => {
     expect(container.firstChild).toBeInTheDocument()
   })
 
+  it('Button click starts download', async () => {
+    const { container } = render(<Vcard />)
+    fireEvent.click(container.firstChild)
+    await waitForElement(() => global.URL.createObjectURL)
+    expect(global.URL.createObjectURL).toHaveBeenCalledTimes(1)
+  })
+
   it('combined vCard download process finishes', async () => {
     await init(data.contentYaml)
     expect(global.URL.createObjectURL).toHaveBeenCalledTimes(1)
diff --git a/src/components/molecules/ProjectTechstack.test.jsx b/src/components/molecules/ProjectTechstack.test.jsx
new file mode 100644
index 0000000..66d9644
--- /dev/null
+++ b/src/components/molecules/ProjectTechstack.test.jsx
@@ -0,0 +1,14 @@
+import React from 'react'
+import { render } from 'react-testing-library'
+import ProjectTechstack from './ProjectTechstack'
+
+describe('ProjectTechstack', () => {
+  const techstack = ['CSS']
+
+  it('renders correctly', () => {
+    const { container } = render(<ProjectTechstack techstack={techstack} />)
+
+    expect(container.firstChild).toBeInTheDocument()
+    expect(container.querySelector('li').textContent).toBe('CSS')
+  })
+})
diff --git a/src/components/organisms/Header.test.jsx b/src/components/organisms/Header.test.jsx
index 5c26c66..64f6416 100644
--- a/src/components/organisms/Header.test.jsx
+++ b/src/components/organisms/Header.test.jsx
@@ -19,4 +19,13 @@ describe('Header', () => {
     )
     expect(container.firstChild).toBeInTheDocument()
   })
+
+  it('Availability can be hidden', () => {
+    const { container } = render(
+      <Provider value={{ dark: false, toggleDark: () => null }}>
+        <Header minimal={true} />
+      </Provider>
+    )
+    expect(container.querySelector('.availability')).not.toBeInTheDocument()
+  })
 })
diff --git a/src/pages/__tests__/index.test.jsx b/src/pages/__tests__/index.test.jsx
new file mode 100644
index 0000000..a08e405
--- /dev/null
+++ b/src/pages/__tests__/index.test.jsx
@@ -0,0 +1,23 @@
+import React from 'react'
+import { render } from 'react-testing-library'
+import { StaticQuery } from 'gatsby'
+import Home from '../index'
+import meta from '../../../jest/__fixtures__/meta.json'
+import projects from '../../../jest/__fixtures__/projects.json'
+import projectImageFiles from '../../../jest/__fixtures__/projectImageFiles.json'
+
+beforeEach(() => {
+  StaticQuery.mockImplementation(({ render }) => render({ ...meta }))
+})
+
+describe('Home', () => {
+  const data = {
+    ...projects,
+    ...projectImageFiles
+  }
+
+  it('renders correctly from data file values', () => {
+    const { container } = render(<Home data={data} />)
+    expect(container.firstChild).toBeInTheDocument()
+  })
+})