catkv: add data-driven tests

This commit adds test coverage to the CatalogReader implementations.

Release note: None

pkg/BUILD.bazel

@@ -289,6 +289,7 @@ ALL_TESTS = [
     "//pkg/sql/catalog/descs:descs_test",
     "//pkg/sql/catalog/funcdesc:funcdesc_test",
     "//pkg/sql/catalog/hydrateddesc:hydrateddesc_test",
+    "//pkg/sql/catalog/internal/catkv:catkv_test",
     "//pkg/sql/catalog/internal/validate:validate_test",
     "//pkg/sql/catalog/lease:lease_test",
     "//pkg/sql/catalog/multiregion:multiregion_test",
@@ -1404,6 +1405,7 @@ GO_TARGETS = [
     "//pkg/sql/catalog/hydrateddesc:hydrateddesc_test",
     "//pkg/sql/catalog/ingesting:ingesting",
     "//pkg/sql/catalog/internal/catkv:catkv",
+    "//pkg/sql/catalog/internal/catkv:catkv_test",
     "//pkg/sql/catalog/internal/validate:validate",
     "//pkg/sql/catalog/internal/validate:validate_test",
     "//pkg/sql/catalog/lease:lease",

pkg/sql/catalog/internal/catkv/BUILD.bazel

@@ -1,5 +1,5 @@
 load("//build/bazelutil/unused_checker:unused.bzl", "get_x_data")
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "catkv",
@@ -45,4 +45,42 @@ go_library(
     ],
 )
 
+go_test(
+    name = "catkv_test",
+    size = "small",
+    srcs = [
+        "catalog_reader_test.go",
+        "main_test.go",
+    ],
+    args = ["-test.timeout=55s"],
+    data = glob(["testdata/**"]),
+    deps = [
+        ":catkv",
+        "//pkg/base",
+        "//pkg/kv",
+        "//pkg/security/securityassets",
+        "//pkg/security/securitytest",
+        "//pkg/server",
+        "//pkg/sql",
+        "//pkg/sql/catalog",
+        "//pkg/sql/catalog/catalogkeys",
+        "//pkg/sql/catalog/descpb",
+        "//pkg/sql/catalog/nstree",
+        "//pkg/sql/parser",
+        "//pkg/testutils",
+        "//pkg/testutils/serverutils",
+        "//pkg/testutils/sqlutils",
+        "//pkg/testutils/testcluster",
+        "//pkg/util/leaktest",
+        "//pkg/util/log",
+        "//pkg/util/randutil",
+        "//pkg/util/tracing",
+        "//pkg/util/tracing/tracingpb",
+        "@com_github_cockroachdb_datadriven//:datadriven",
+        "@com_github_kylelemons_godebug//diff",
+        "@com_github_stretchr_testify//require",
+        "@in_gopkg_yaml_v2//:yaml_v2",
+    ],
+)
+
 get_x_data(name = "get_x_data")