1 files changed, 28 insertions, 0 deletions
diff --git a/tests/mason-core/process_spec.lua b/tests/mason-core/process_spec.lua
new file mode 100644
index 00000000..f3c00385
--- /dev/null
+++ b/tests/mason-core/process_spec.lua
@@ -0,0 +1,28 @@
+local spy = require "luassert.spy"
+local match = require "luassert.match"
+local process = require "mason-core.process"
+
+describe("process.spawn", function()
+    -- Unix only
+    it(
+        "should spawn command and feed output to sink",
+        async_test(function()
+            local stdio = process.in_memory_sink()
+            local callback = spy.new()
+            process.spawn("env", {
+                args = {},
+                env = {
+                    "HELLO=world",
+                    "MY_ENV=var",
+                },
+                stdio_sink = stdio.sink,
+            }, callback)
+
+            assert.wait_for(function()
+                assert.spy(callback).was_called(1)
+                assert.spy(callback).was_called_with(true, 0, match.is_number())
+                assert.equal(table.concat(stdio.buffers.stdout, ""), "HELLO=world\nMY_ENV=var\n")
+            end)
+        end)
+    )
+end)