1 files changed, 99 insertions, 0 deletions
diff --git a/tests/component/updater_test.cpp b/tests/component/updater_test.cpp
new file mode 100644
index 000000000..64a6b37ce
--- /dev/null
+++ b/tests/component/updater_test.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string>
+
+#include <android-base/properties.h>
+#include <gtest/gtest.h>
+
+#include "edify/expr.h"
+#include "error_code.h"
+#include "updater/install.h"
+
+struct selabel_handle *sehandle = nullptr;
+
+static void expect(const char* expected, const char* expr_str, CauseCode cause_code) {
+    Expr* e;
+    int error_count;
+    EXPECT_EQ(parse_string(expr_str, &e, &error_count), 0);
+
+    State state(expr_str, nullptr);
+
+    char* result = Evaluate(&state, e);
+
+    if (expected == nullptr) {
+        EXPECT_EQ(nullptr, result);
+    } else {
+        EXPECT_STREQ(expected, result);
+    }
+
+    // Error code is set in updater/updater.cpp only, by parsing State.errmsg.
+    EXPECT_EQ(kNoError, state.error_code);
+
+    // Cause code should always be available.
+    EXPECT_EQ(cause_code, state.cause_code);
+
+    free(result);
+}
+
+class UpdaterTest : public ::testing::Test {
+  protected:
+    virtual void SetUp() {
+        RegisterBuiltins();
+        RegisterInstallFunctions();
+    }
+};
+
+TEST_F(UpdaterTest, getprop) {
+    expect(android::base::GetProperty("ro.product.device", "").c_str(),
+           "getprop(\"ro.product.device\")",
+           kNoCause);
+
+    expect(android::base::GetProperty("ro.build.fingerprint", "").c_str(),
+           "getprop(\"ro.build.fingerprint\")",
+           kNoCause);
+
+    // getprop() accepts only one parameter.
+    expect(nullptr, "getprop()", kArgsParsingFailure);
+    expect(nullptr, "getprop(\"arg1\", \"arg2\")", kArgsParsingFailure);
+}
+
+TEST_F(UpdaterTest, sha1_check) {
+    // sha1_check(data) returns the SHA-1 of the data.
+    expect("81fe8bfe87576c3ecb22426f8e57847382917acf", "sha1_check(\"abcd\")", kNoCause);
+    expect("da39a3ee5e6b4b0d3255bfef95601890afd80709", "sha1_check(\"\")", kNoCause);
+
+    // sha1_check(data, sha1_hex, [sha1_hex, ...]) returns the matched SHA-1.
+    expect("81fe8bfe87576c3ecb22426f8e57847382917acf",
+           "sha1_check(\"abcd\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")",
+           kNoCause);
+
+    expect("81fe8bfe87576c3ecb22426f8e57847382917acf",
+           "sha1_check(\"abcd\", \"wrong_sha1\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")",
+           kNoCause);
+
+    // Or "" if there's no match.
+    expect("",
+           "sha1_check(\"abcd\", \"wrong_sha1\")",
+           kNoCause);
+
+    expect("",
+           "sha1_check(\"abcd\", \"wrong_sha1\", \"wrong_sha2\")",
+           kNoCause);
+
+    // sha1_check() expects at least one argument.
+    expect(nullptr, "sha1_check()", kArgsParsingFailure);
+}