IO tests

spec/unit/tools/io_spec.lua

@@ -0,0 +1,37 @@
+local IO = require "kong.tools.io"
+
+local TEST_FILE = "/tmp/test_file"
+
+describe("IO", function()
+
+  before_each(function()
+    os.remove(TEST_FILE)
+  end)
+
+  it("should detect existing commands", function()
+    assert.truthy(IO.cmd_exists("hash"))
+    assert.falsy(IO.cmd_exists("hashasdasd"))
+  end)
+
+  it("should write and read from files", function()
+    assert.truthy(IO.write_to_file(TEST_FILE, "this is a test"))
+    assert.are.same("this is a test", IO.read_file(TEST_FILE))
+  end)
+
+  it("should detect existing files", function()
+    assert.falsy(IO.file_exists(TEST_FILE))
+    IO.write_to_file(TEST_FILE, "Test")
+    assert.truthy(IO.cmd_exists(TEST_FILE))
+  end)
+
+  it("should execute an OS command", function()
+    local res, code = IO.os_execute("echo \"Hello\"")
+    assert.are.same(0, code)
+    assert.truthy("Hello", res)
+
+    local res, code = IO.os_execute("asdasda \"Hello\"")
+    assert.are.same(127, code)
+    assert.are.same("/bin/bash: asdasda: command not found", res)
+  end)
+
+end)