tests: add shared test fixtures, expand provider breadth (multi-choice, error bodies), add LSP rewrite/diagnostics realism and table-driven tests

1 files changed, 24 insertions, 0 deletions

diff --git a/internal/lsp/prefix_table_test.go b/internal/lsp/prefix_table_test.go
new file mode 100644
index 0000000..0ca23d2
--- /dev/null
+++ b/internal/lsp/prefix_table_test.go
@@ -0,0 +1,24 @@
+package lsp
+
+import "testing"
+
+func TestPrefixStripping_Table(t *testing.T) {
+    cases := []struct{ name, prefix, sugg, want string }{
+        {"assign_walrus", "name := ", "name := compute()", "compute()"},
+        {"assign_equals", "x = ", "x = y+1", "y+1"},
+        {"general_db", "db.", "db.Query()", "Query()"},
+        {"general_func", "func New ", "func New() *T", "() *T"},
+    }
+    for _, c := range cases {
+        var got string
+        if c.name == "assign_walrus" || c.name == "assign_equals" {
+            got = stripDuplicateAssignmentPrefix(c.prefix, c.sugg)
+        } else {
+            got = stripDuplicateGeneralPrefix(c.prefix, c.sugg)
+        }
+        if got != c.want {
+            t.Fatalf("%s: got %q want %q", c.name, got, c.want)
+        }
+    }
+}
+