Initialize project

Makefile

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+TESTS_INIT=tests/minimal_init.lua
+TESTS_DIR=tests/
+
+.EXPORT_ALL_VARIABLES:
+
+PROJECT_ENV = test
+
+.PHONY: test
+
+test:
+	@nvim \
+		--headless \
+		--noplugin \
+		-u ${TESTS_INIT} \
+		-c "PlenaryBustedDirectory ${TESTS_DIR} { minimal_init = '${TESTS_INIT}' }"

tests/minimal_init.lua

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+local plenary_dir = os.getenv("PLENARY_DIR") or "/tmp/plenary.nvim"
+local is_not_a_directory = vim.fn.isdirectory(plenary_dir) == 0
+if is_not_a_directory then
+  vim.fn.system({ "git", "clone", "https://github.com/nvim-lua/plenary.nvim", plenary_dir })
+end
+
+vim.opt.rtp:append(".")
+vim.opt.rtp:append(plenary_dir)
+
+vim.cmd("runtime plugin/plenary.vim")
+require("plenary.busted")
+
+
+-- please ensure that lua-openssl is installed via luarocks

tests/vault/utils_spec.lua

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+local cipher = require('openssl').cipher
+
+describe('utils', function()
+  it("encryption is successful", function()
+	local original = {
+	  env = { OPEN_API_KEY = "blahblahblah" }
+	}
+	local cipher_algorithm = "aes-128-cbc"
+	local json_encoded = vim.fn.json_encode(original)
+	local encryption_key = "aaabbb111"
+	local encrypted_content = cipher.encrypt(cipher_algorithm, json_encoded, encryption_key)
+	local decrypted_content = cipher.decrypt(cipher_algorithm, encrypted_content, encryption_key)
+	assert(json_encoded == decrypted_content)
+  end)
+end)
+
+