From 88f590ce0e01767bcc8dfdc862a456efde77d4a0 Mon Sep 17 00:00:00 2001
From: William Boman <william@redwill.se>
Date: Mon, 11 Apr 2022 17:19:01 +0200
Subject: more async refactor (#587)

---
 tests/core/fetch_spec.lua | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 tests/core/fetch_spec.lua

(limited to 'tests/core/fetch_spec.lua')

diff --git a/tests/core/fetch_spec.lua b/tests/core/fetch_spec.lua
new file mode 100644
index 00000000..dac7c7b8
--- /dev/null
+++ b/tests/core/fetch_spec.lua
@@ -0,0 +1,49 @@
+local stub = require "luassert.stub"
+local fetch = require "nvim-lsp-installer.core.fetch"
+local spawn = require "nvim-lsp-installer.core.spawn"
+local Result = require "nvim-lsp-installer.core.result"
+
+describe("fetch", function()
+    it(
+        "should exhaust all candidates",
+        async_test(function()
+            stub(spawn, "wget")
+            stub(spawn, "curl")
+            spawn.wget.returns(Result.failure "wget failure")
+            spawn.curl.returns(Result.failure "curl failure")
+
+            local result = fetch "https://api.github.com"
+            assert.is_true(result:is_failure())
+            assert.spy(spawn.wget).was_called(1)
+            assert.spy(spawn.curl).was_called(1)
+            assert.spy(spawn.wget).was_called_with {
+                {
+                    "--header",
+                    "User-Agent: nvim-lsp-installer (+https://github.com/williamboman/nvim-lsp-installer)",
+                },
+                "-nv",
+                "-O",
+                "-",
+                "https://api.github.com",
+            }
+            assert.spy(spawn.curl).was_called_with {
+                { "-H", "User-Agent: nvim-lsp-installer (+https://github.com/williamboman/nvim-lsp-installer)" },
+                "-fsSL",
+                "https://api.github.com",
+            }
+        end)
+    )
+
+    it(
+        "should return stdout",
+        async_test(function()
+            stub(spawn, "wget")
+            spawn.wget.returns(Result.success {
+                stdout = [[{"data": "here"}]],
+            })
+            local result = fetch "https://api.github.com/data"
+            assert.is_true(result:is_success())
+            assert.equals([[{"data": "here"}]], result:get_or_throw())
+        end)
+    )
+end)
-- 
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