Move log level defaults into setDefaults

This will allow cliArgs to be only the actual arguments the user passed
which will be used for some logic around opening in existing instances.

test/cli.test.ts

@@ -1,20 +1,23 @@
-import { logger, Level } from "@coder/logger"
+import { Level, logger } from "@coder/logger"
 import * as assert from "assert"
 import * as path from "path"
-import { parse } from "../src/node/cli"
+import { parse, setDefaults } from "../src/node/cli"
+import { paths } from "../src/node/util"
 
 describe("cli", () => {
   beforeEach(() => {
     delete process.env.LOG_LEVEL
   })
 
-  // The parser will always fill these out.
+  // The parser should not set any defaults so the caller can determine what
+  // values the user actually set. These are set after calling `setDefaults`.
   const defaults = {
-    _: [],
+    "extensions-dir": path.join(paths.data, "extensions"),
+    "user-data-dir": paths.data,
   }
 
   it("should set defaults", () => {
-    assert.deepEqual(parse([]), defaults)
+    assert.deepEqual(parse([]), { _: [] })
   })
 
   it("should parse all available options", () => {
@@ -69,7 +72,7 @@ describe("cli", () => {
         help: true,
         host: "0.0.0.0",
         json: true,
-        log: "trace",
+        log: "error",
         open: true,
         port: 8081,
         socket: path.resolve("mumble"),
@@ -83,19 +86,20 @@ describe("cli", () => {
 
   it("should work with short options", () => {
     assert.deepEqual(parse(["-vvv", "-v"]), {
-      ...defaults,
-      log: "trace",
+      _: [],
       verbose: true,
       version: true,
     })
-    assert.equal(process.env.LOG_LEVEL, "trace")
-    assert.equal(logger.level, Level.Trace)
   })
 
-  it("should use log level env var", () => {
+  it("should use log level env var", async () => {
+    const args = parse([])
+    assert.deepEqual(args, { _: [] })
+
     process.env.LOG_LEVEL = "debug"
-    assert.deepEqual(parse([]), {
+    assert.deepEqual(await setDefaults(args), {
       ...defaults,
+      _: [],
       log: "debug",
       verbose: false,
     })
@@ -103,8 +107,9 @@ describe("cli", () => {
     assert.equal(logger.level, Level.Debug)
 
     process.env.LOG_LEVEL = "trace"
-    assert.deepEqual(parse([]), {
+    assert.deepEqual(await setDefaults(args), {
       ...defaults,
+      _: [],
       log: "trace",
       verbose: true,
     })
@@ -113,9 +118,16 @@ describe("cli", () => {
   })
 
   it("should prefer --log to env var and --verbose to --log", async () => {
+    let args = parse(["--log", "info"])
+    assert.deepEqual(args, {
+      _: [],
+      log: "info",
+    })
+
     process.env.LOG_LEVEL = "debug"
-    assert.deepEqual(parse(["--log", "info"]), {
+    assert.deepEqual(await setDefaults(args), {
       ...defaults,
+      _: [],
       log: "info",
       verbose: false,
     })
@@ -123,17 +135,26 @@ describe("cli", () => {
     assert.equal(logger.level, Level.Info)
 
     process.env.LOG_LEVEL = "trace"
-    assert.deepEqual(parse(["--log", "info"]), {
+    assert.deepEqual(await setDefaults(args), {
       ...defaults,
+      _: [],
       log: "info",
       verbose: false,
     })
     assert.equal(process.env.LOG_LEVEL, "info")
     assert.equal(logger.level, Level.Info)
 
+    args = parse(["--log", "info", "--verbose"])
+    assert.deepEqual(args, {
+      _: [],
+      log: "info",
+      verbose: true,
+    })
+
     process.env.LOG_LEVEL = "warn"
-    assert.deepEqual(parse(["--log", "info", "--verbose"]), {
+    assert.deepEqual(await setDefaults(args), {
       ...defaults,
+      _: [],
       log: "trace",
       verbose: true,
     })
@@ -141,9 +162,12 @@ describe("cli", () => {
     assert.equal(logger.level, Level.Trace)
   })
 
-  it("should ignore invalid log level env var", () => {
+  it("should ignore invalid log level env var", async () => {
     process.env.LOG_LEVEL = "bogus"
-    assert.deepEqual(parse([]), defaults)
+    assert.deepEqual(await setDefaults(parse([])), {
+      _: [],
+      ...defaults,
+    })
   })
 
   it("should error if value isn't provided", () => {
@@ -166,7 +190,7 @@ describe("cli", () => {
 
   it("should not error if the value is optional", () => {
     assert.deepEqual(parse(["--cert"]), {
-      ...defaults,
+      _: [],
       cert: {
         value: undefined,
       },
@@ -177,7 +201,7 @@ describe("cli", () => {
     assert.throws(() => parse(["--socket", "--socket-path-value"]), /--socket requires a value/)
     // If you actually had a path like this you would do this instead:
     assert.deepEqual(parse(["--socket", "./--socket-path-value"]), {
-      ...defaults,
+      _: [],
       socket: path.resolve("--socket-path-value"),
     })
     assert.throws(() => parse(["--cert", "--socket-path-value"]), /Unknown option --socket-path-value/)
@@ -185,7 +209,6 @@ describe("cli", () => {
 
   it("should allow positional arguments before options", () => {
     assert.deepEqual(parse(["foo", "test", "--auth", "none"]), {
-      ...defaults,
       _: ["foo", "test"],
       auth: "none",
     })
@@ -193,11 +216,11 @@ describe("cli", () => {
 
   it("should support repeatable flags", () => {
     assert.deepEqual(parse(["--proxy-domain", "*.coder.com"]), {
-      ...defaults,
+      _: [],
       "proxy-domain": ["*.coder.com"],
     })
     assert.deepEqual(parse(["--proxy-domain", "*.coder.com", "--proxy-domain", "test.com"]), {
-      ...defaults,
+      _: [],
       "proxy-domain": ["*.coder.com", "test.com"],
     })
   })