taler-typescript-core

commit 31a2564086f1ad6e6d898c9c817fbdc147377cdc
parent 69ce816b345284c10bbaab6217c66e6e5c8db354
Author: Florian Dold <dold@taler.net>
Date:   Tue, 21 Jul 2026 00:40:41 +0200

util: test version compatibility

Diffstat:
M
packages/taler-util/src/libtool-version.test.ts
 | 
31
+++++++++++++++++++++++++++++++

1 file changed, 31 insertions(+), 0 deletions(-)
diff --git a/packages/taler-util/src/libtool-version.test.ts b/packages/taler-util/src/libtool-version.test.ts
@@ -49,3 +49,34 @@ test("version comparison", (t) => {
   assert.ok(LibtoolVersion.compare("42:0:1", "41:0:0")?.compatible);
   assert.ok(LibtoolVersion.compare("41:0:0", "42:0:1")?.compatible);
 });
+
+test("isCompatible reports incompatibility", (t) => {
+  // compare() returns an object on incompatibility, which is truthy -- so a
+  // bare truthiness test on it only ever detects an unparseable version.
+  // Resolved dynamically so that this file still compiles before the helper
+  // exists.
+  const isCompatible = (LibtoolVersion as any).isCompatible as (
+    a: string,
+    b: string,
+  ) => boolean;
+  assert.strictEqual(typeof isCompatible, "function");
+  assert.strictEqual(isCompatible("41:0:0", "0:0:0"), false);
+  assert.strictEqual(isCompatible("4:0:0", "99:0:0"), false);
+  assert.strictEqual(isCompatible("1:0:1", "1:0:0"), true);
+  // Unparseable input is not compatible either.
+  assert.strictEqual(isCompatible("4:0:0", "bogus"), false);
+});
+
+test("parseVersion requires plain decimal components", (t) => {
+  // The C reference uses sscanf("%u:%u:%u%c") and requires exactly three
+  // conversions, so none of these are valid protocol versions.
+  assert.strictEqual(LibtoolVersion.parseVersion("3:0:1garbage"), undefined);
+  assert.strictEqual(LibtoolVersion.parseVersion("0x10:0:0"), undefined);
+  assert.strictEqual(LibtoolVersion.parseVersion("1.9:0:0"), undefined);
+  assert.strictEqual(LibtoolVersion.parseVersion("-1:0:0"), undefined);
+  assert.deepStrictEqual(LibtoolVersion.parseVersion("3:0:1"), {
+    current: 3,
+    revision: 0,
+    age: 1,
+  });
+});