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backend/internal/translator/claude/gemini/noop_optimization_test.go

@@ -0,0 +1,63 @@
+package gemini
+
+import (
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
+
+func TestNormalizeClaudeToolSchemaPreservesCanonicalSchema(t *testing.T) {
+	input := []byte(`{"type":"object","properties":{"value":{"type":"string"}},"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"}`)
+
+	output := normalizeClaudeToolSchema(gjson.ParseBytes(input))
+
+	if string(output) != string(input) {
+		t.Fatalf("canonical schema changed:\n got: %s\nwant: %s", output, input)
+	}
+}
+
+func TestNormalizeClaudeToolSchemaCorrectsWrongTypes(t *testing.T) {
+	input := []byte(`{"type":"object","additionalProperties":"false","$schema":123}`)
+
+	output := normalizeClaudeToolSchema(gjson.ParseBytes(input))
+
+	if additionalProperties := gjson.GetBytes(output, "additionalProperties"); additionalProperties.Type != gjson.False {
+		t.Fatalf("additionalProperties = %s, want false", additionalProperties.Raw)
+	}
+	if schema := gjson.GetBytes(output, "$schema"); schema.Type != gjson.String || schema.String() != "http://json-schema.org/draft-07/schema#" {
+		t.Fatalf("$schema = %s, want canonical string", schema.Raw)
+	}
+}
+
+func TestLowercaseClaudeToolSchemaTypesReusesLowercaseSchema(t *testing.T) {
+	input := []byte(`{"name":"lookup","input_schema":{"type":"object","properties":{"value":{"type":"string"}}}}`)
+
+	output := lowercaseClaudeToolSchemaTypes(input)
+
+	if &output[0] != &input[0] {
+		t.Fatal("lowercase schema types caused a payload copy")
+	}
+}
+
+func TestLowercaseClaudeToolSchemaTypesNormalizesNonStringType(t *testing.T) {
+	input := []byte(`{"input_schema":{"type":123}}`)
+
+	output := lowercaseClaudeToolSchemaTypes(input)
+
+	if got := gjson.GetBytes(output, "input_schema.type"); got.Type != gjson.String || got.String() != "123" {
+		t.Fatalf("input_schema.type = %s, want string 123", got.Raw)
+	}
+}
+
+func TestLowercaseClaudeToolSchemaTypesNormalizesUppercaseTypes(t *testing.T) {
+	input := []byte(`{"input_schema":{"type":"OBJECT","properties":{"value":{"type":"STRING"}}}}`)
+
+	output := lowercaseClaudeToolSchemaTypes(input)
+
+	if got := gjson.GetBytes(output, "input_schema.type").String(); got != "object" {
+		t.Fatalf("input_schema.type = %q, want object", got)
+	}
+	if got := gjson.GetBytes(output, "input_schema.properties.value.type").String(); got != "string" {
+		t.Fatalf("nested type = %q, want string", got)
+	}
+}