[WIP] Improve error traces when involving anyOf

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

test/CMakeLists.txt

@@ -116,6 +116,7 @@ add_jsonschema_test_unix(test/fail_not_object)
 add_jsonschema_test_unix(test/fail_no_schema)
 add_jsonschema_test_unix(test/fail_schema_non_string)
 add_jsonschema_test_unix(test/fail_no_tests)
+add_jsonschema_test_unix(test/fail_anyof)
 add_jsonschema_test_unix(test/fail_tests_non_array)
 add_jsonschema_test_unix(test/fail_test_case_non_object)
 add_jsonschema_test_unix(test/fail_test_case_no_data)

test/test/fail_anyof.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+TMP="$(mktemp -d)"
+clean() { rm -rf "$TMP"; }
+trap clean EXIT
+
+cat << 'EOF' > "$TMP/schema.json"
+{
+  "id": "https://example.com",
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "allOf": [
+    {
+      "anyOf": [
+        { "required": [ "foo" ] },
+        { "required": [ "bar" ] }
+      ]
+    },
+    {
+      "type": "integer"
+    }
+  ]
+}
+EOF
+
+cat << 'EOF' > "$TMP/test.json"
+{
+  "target": "https://example.com",
+  "tests": [
+    {
+      "valid": true,
+      "data": { "bar": 1 }
+    }
+  ]
+}
+EOF
+
+"$1" test "$TMP/test.json" --resolve "$TMP/schema.json" 1> "$TMP/output.txt" 2>&1 \
+  && CODE="$?" || CODE="$?"
+test "$CODE" = "1" || exit 1
+
+cat "$TMP/output.txt"
+
+cat << EOF > "$TMP/expected.txt"
+$(realpath "$TMP")/test.json:
+  1/1 FAIL <no description>
+
+error: Schema validation failure
+  The value was expected to be of type integer but it was of type object
+    at instance location ""
+    at evaluate path "/allOf/1/type"
+EOF
+
+diff "$TMP/output.txt" "$TMP/expected.txt"