| #!/bin/bash |
| # |
| # Copyright 2015 The Bazel Authors. All rights reserved. |
| # |
| # 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. |
| |
| set -eu |
| |
| # Load the test setup defined in the parent directory |
| CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
| source "${CURRENT_DIR}/../integration_test_setup.sh" \ |
| || { echo "integration_test_setup.sh not found!" >&2; exit 1; } |
| |
| function test_cc_test_coverage() { |
| if [[ ! -x /usr/bin/lcov ]]; then |
| echo "lcov not installed. Skipping test." |
| return |
| fi |
| |
| cat << EOF > BUILD |
| cc_library( |
| name = "a", |
| srcs = ["a.cc"], |
| hdrs = ["a.h"], |
| ) |
| |
| cc_test( |
| name = "t", |
| srcs = ["t.cc"], |
| deps = [":a"], |
| ) |
| EOF |
| |
| cat << EOF > a.h |
| int a(bool what); |
| EOF |
| |
| cat << EOF > a.cc |
| #include "a.h" |
| |
| int a(bool what) { |
| if (what) { |
| return 1; |
| } else { |
| return 2; |
| } |
| } |
| EOF |
| |
| cat << EOF > t.cc |
| #include <stdio.h> |
| #include "a.h" |
| |
| int main(void) { |
| a(true); |
| } |
| EOF |
| |
| bazel coverage --test_output=all --build_event_text_file=bep.txt //:t \ |
| &>$TEST_log || fail "Coverage for //:t failed" |
| |
| ending_part=$(sed -n -e '/PASSED/,$p' $TEST_log) |
| |
| coverage_file_path=$(grep -Eo "/[/a-zA-Z0-9\.\_\-]+\.dat$" <<< "$ending_part") |
| [ -e $coverage_file_path ] || fail "Coverage output file does not exist!" |
| |
| # Check if a.cc is in the coverage file |
| assert_contains "^SF:.*a.cc$" "$coverage_file_path" |
| # Check if the only branch in a() has correct coverage: |
| assert_contains "^DA:5,1$" "$coverage_file_path" # true branch should be taken |
| assert_contains "^DA:7,0$" "$coverage_file_path" # false branch should not be |
| |
| # Verify the files are reported correctly in the build event protocol. |
| assert_contains 'name: "test.lcov"' bep.txt |
| assert_contains 'name: "baseline.lcov"' bep.txt |
| |
| # Verify that this is also true for cached coverage actions. |
| bazel coverage --test_output=all --build_event_text_file=bep.txt //:t \ |
| &>$TEST_log || fail "Coverage for //:t failed" |
| expect_log '//:t.*cached' |
| assert_contains 'name: "test.lcov"' bep.txt |
| assert_contains 'name: "baseline.lcov"' bep.txt |
| } |
| |
| function test_failed_coverage() { |
| if [[ ! -x /usr/bin/lcov ]]; then |
| echo "lcov not installed. Skipping test." |
| return |
| fi |
| |
| cat << EOF > BUILD |
| cc_library( |
| name = "a", |
| srcs = ["a.cc"], |
| hdrs = ["a.h"], |
| ) |
| |
| cc_test( |
| name = "t", |
| srcs = ["t.cc"], |
| deps = [":a"], |
| ) |
| EOF |
| |
| cat << EOF > a.h |
| int a(); |
| EOF |
| |
| cat << EOF > a.cc |
| #include "a.h" |
| |
| int a() { |
| return 1; |
| } |
| EOF |
| |
| cat << EOF > t.cc |
| #include <stdio.h> |
| #include "a.h" |
| |
| int main(void) { |
| return a(); |
| } |
| EOF |
| |
| bazel coverage --test_output=all --build_event_text_file=bep.txt //:t \ |
| &>$TEST_log && fail "Expected test failure" || : |
| |
| # Verify that coverage data is still reported. |
| assert_contains 'name: "test.lcov"' bep.txt |
| } |
| |
| function test_java_test_coverage() { |
| |
| cat <<EOF > BUILD |
| java_test( |
| name = "test", |
| srcs = glob(["src/test/**/*.java"]), |
| test_class = "com.example.TestCollatz", |
| deps = [":collatz-lib"], |
| ) |
| |
| java_library( |
| name = "collatz-lib", |
| srcs = glob(["src/main/**/*.java"]), |
| ) |
| EOF |
| |
| mkdir -p src/main/com/example |
| cat <<EOF > src/main/com/example/Collatz.java |
| package com.example; |
| |
| public class Collatz { |
| |
| public static int getCollatzFinal(int n) { |
| if (n == 1) { |
| return 1; |
| } |
| if (n % 2 == 0) { |
| return getCollatzFinal(n / 2); |
| } else { |
| return getCollatzFinal(n * 3 + 1); |
| } |
| } |
| |
| } |
| EOF |
| |
| mkdir -p src/test/com/example |
| cat <<EOF > src/test/com/example/TestCollatz.java |
| package com.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| public class TestCollatz { |
| |
| @Test |
| public void testGetCollatzFinal() { |
| assertEquals(Collatz.getCollatzFinal(1), 1); |
| assertEquals(Collatz.getCollatzFinal(5), 1); |
| assertEquals(Collatz.getCollatzFinal(10), 1); |
| assertEquals(Collatz.getCollatzFinal(21), 1); |
| } |
| |
| } |
| EOF |
| |
| bazel coverage //:test &>$TEST_log || fail "Coverage for //:test failed" |
| cat $TEST_log |
| ending_part=$(sed -n -e '/PASSED/,$p' $TEST_log) |
| |
| coverage_file_path=$(grep -Eo "/[/a-zA-Z0-9\.\_\-]+\.dat$" <<< "$ending_part") |
| [ -e $coverage_file_path ] || fail "Coverage output file does not exist!" |
| |
| cat <<EOF > result.dat |
| SF:com/example/Collatz.java |
| FN:3,com/example/Collatz::<init> ()V |
| FNDA:0,com/example/Collatz::<init> ()V |
| FN:6,com/example/Collatz::getCollatzFinal (I)I |
| FNDA:1,com/example/Collatz::getCollatzFinal (I)I |
| BA:6,2 |
| BA:6,2 |
| BA:9,2 |
| BA:9,2 |
| DA:3,0 |
| DA:6,3 |
| DA:7,2 |
| DA:9,4 |
| DA:10,5 |
| DA:12,7 |
| end_of_record |
| EOF |
| |
| if ! cmp result.dat $coverage_file_path; then |
| fail "Coverage output file is different with expected" |
| fi |
| } |
| |
| function test_java_test_java_import_coverage() { |
| |
| cat <<EOF > BUILD |
| java_test( |
| name = "test", |
| srcs = glob(["src/test/**/*.java"]), |
| test_class = "com.example.TestCollatz", |
| deps = [":collatz-import"], |
| ) |
| |
| java_import( |
| name = "collatz-import", |
| jars = [":libcollatz-lib.jar"], |
| ) |
| |
| java_library( |
| name = "collatz-lib", |
| srcs = glob(["src/main/**/*.java"]), |
| ) |
| EOF |
| |
| mkdir -p src/main/com/example |
| cat <<EOF > src/main/com/example/Collatz.java |
| package com.example; |
| |
| public class Collatz { |
| |
| public static int getCollatzFinal(int n) { |
| if (n == 1) { |
| return 1; |
| } |
| if (n % 2 == 0) { |
| return getCollatzFinal(n / 2); |
| } else { |
| return getCollatzFinal(n * 3 + 1); |
| } |
| } |
| |
| } |
| EOF |
| |
| mkdir -p src/test/com/example |
| cat <<EOF > src/test/com/example/TestCollatz.java |
| package com.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| public class TestCollatz { |
| |
| @Test |
| public void testGetCollatzFinal() { |
| assertEquals(Collatz.getCollatzFinal(1), 1); |
| assertEquals(Collatz.getCollatzFinal(5), 1); |
| assertEquals(Collatz.getCollatzFinal(10), 1); |
| assertEquals(Collatz.getCollatzFinal(21), 1); |
| } |
| |
| } |
| EOF |
| |
| bazel coverage --experimental_java_coverage //:test &>$TEST_log || fail "Coverage for //:test failed" |
| ending_part=$(sed -n -e '/PASSED/,$p' $TEST_log) |
| |
| coverage_file_path=$(grep -Eo "/[/a-zA-Z0-9\.\_\-]+\.dat$" <<< "$ending_part") |
| [ -e $coverage_file_path ] || fail "Coverage output file not exists!" |
| |
| cat <<EOF > result.dat |
| SF:src/main/com/example/Collatz.java |
| FN:3,com/example/Collatz::<init> ()V |
| FNDA:0,com/example/Collatz::<init> ()V |
| FN:6,com/example/Collatz::getCollatzFinal (I)I |
| FNDA:1,com/example/Collatz::getCollatzFinal (I)I |
| BA:6,2 |
| BA:6,2 |
| BA:9,2 |
| BA:9,2 |
| DA:3,0 |
| DA:6,3 |
| DA:7,2 |
| DA:9,4 |
| DA:10,5 |
| DA:12,7 |
| end_of_record |
| EOF |
| |
| cmp result.dat "$coverage_file_path" || fail "Coverage output file is different than the expected file" |
| } |
| |
| run_suite "test tests" |