cli: first tests and mocks for lrcli (ref. #66)

__denotests__/cli/lrcli.test.js

@@ -0,0 +1,64 @@
+import { assertEquals } from "https://deno.land/std@0.167.0/testing/asserts.ts";
+import { main } from '../../cli/lrcli.js';
+
+Deno.test("basic usage info", async () => {
+    // init
+    let r
+    // no args
+    r = await main([])
+    assertEquals(r, 1)
+    // -h/--help
+    r = await main(['-h'])
+    assertEquals(r, 0)
+    r = await main(['--help'])
+    assertEquals(r, 0)
+});
+
+Deno.test("non-existent plugin handling", async () => {
+    // init
+    let r
+    // just the plugin name
+    r = await main(['no-such-plugin'])
+    assertEquals(r, 2)
+    // plugin name with different combinations of help flag
+    r = await main(['no-such-plugin', '--help'])
+    assertEquals(r, 2)
+    r = await main(['no-such-plugin', '-h'])
+    assertEquals(r, 2)
+    r = await main(['--help', 'no-such-plugin'])
+    assertEquals(r, 2)
+    r = await main(['-h', 'no-such-plugin'])
+    assertEquals(r, 2)
+});
+
+// 
+// tests below need an imports map
+// 
+
+Deno.test("plugin loading", async () => {
+    const r = await main(['simple-plugin', '--help'])
+    assertEquals(r, 0)
+});
+
+Deno.test("plugin action processing", async () => {
+    // init
+    let r
+    // non-existent action
+    r = await main(['simple-plugin', 'non-such-action'])
+    assertEquals(r, 4)
+    r = await main(['simple-plugin', '-h', 'non-such-action'])
+    assertEquals(r, 0)
+    r = await main(['simple-plugin', '--help', 'non-such-action'])
+    assertEquals(r, 0)
+    r = await main(['simple-plugin', 'non-such-action', '-h'])
+    assertEquals(r, 4)
+    r = await main(['simple-plugin', 'non-such-action', '--help'])
+    assertEquals(r, 4)
+    // action that exists
+    r = await main(['simple-plugin', 'test-action'])
+    assertEquals(r, 0)
+    r = await main(['simple-plugin', 'test-action', '-h'])
+    assertEquals(r, 0)
+    r = await main(['simple-plugin', 'test-action', '--help'])
+    assertEquals(r, 0)
+});

__denotests__/importmap.json

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+{
+  "imports": {
+    "../plugins/simple-plugin/cli.js": "./mocks/simple-plugin.js"
+  }
+}

__denotests__/mocks/simple-plugin.js

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+let testAction = () => {
+    return "testAction run!"
+}
+
+const pluginName = "simple-plugin"
+const pluginDescription = "A simple plugin for testing"
+const pluginVersion = "0.0.1"
+const pluginActions = {
+    'test-action': {
+        run: testAction,
+        description: "Test action of a test plugin"
+    }
+}
+
+export {
+    pluginName as name,
+    pluginDescription as description,
+    pluginVersion as version,
+    pluginActions as actions
+}