| #!/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; } |
| |
| add_to_bazelrc "coverage --experimental_java_coverage" |
| |
| # Asserts if the given expected coverage result is included in the given output |
| # file. |
| # |
| # - expected_coverage The expected result that must be included in the output. |
| # - output_file The location of the coverage output file. |
| function assert_coverage_result() { |
| local expected_coverage="${1}"; shift |
| local output_file="${1}"; shift |
| |
| # Replace newlines with commas to facilitate the assertion. |
| local expected_coverage_no_newlines="$( echo "$expected_coverage" | tr '\n' ',' )" |
| local output_file_no_newlines="$( cat "$output_file" | tr '\n' ',' )" |
| |
| (echo "$output_file_no_newlines" \ |
| | grep -F "$expected_coverage_no_newlines") \ |
| || fail "Expected coverage result |
| <$expected_coverage> |
| was not found in actual coverage report: |
| <$( cat "$output_file" )>" |
| } |
| |
| # Returns the path of the code coverage report that was generated by Bazel by |
| # looking at the current $TEST_log. The method fails if TEST_log does not |
| # contain any coverage report for a passed test. |
| function get_coverage_file_path_from_test_log() { |
| local ending_part="$(sed -n -e '/PASSED/,$p' "$TEST_log")" |
| |
| local coverage_file_path=$(grep -Eo "/[/a-zA-Z0-9\.\_\-]+\.dat$" <<< "$ending_part") |
| [[ -e "$coverage_file_path" ]] || fail "Coverage output file does not exist!" |
| echo "$coverage_file_path" |
| } |
| |
| function test_java_test_coverage() { |
| cat <<EOF > BUILD |
| java_test( |
| name = "test", |
| srcs = glob(["src/test/**/*.java"]), |
| test_class = "com.example.TestCollatz", |
| deps = [":collatz-lib"], |
| ) |
| |
| java_library( |
| name = "collatz-lib", |
| srcs = glob(["src/main/**/*.java"]), |
| ) |
| EOF |
| |
| mkdir -p src/main/com/example |
| cat <<EOF > src/main/com/example/Collatz.java |
| package com.example; |
| |
| public class Collatz { |
| |
| public static int getCollatzFinal(int n) { |
| if (n == 1) { |
| return 1; |
| } |
| if (n % 2 == 0) { |
| return getCollatzFinal(n / 2); |
| } else { |
| return getCollatzFinal(n * 3 + 1); |
| } |
| } |
| |
| } |
| EOF |
| |
| mkdir -p src/test/com/example |
| cat <<EOF > src/test/com/example/TestCollatz.java |
| package com.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| public class TestCollatz { |
| |
| @Test |
| public void testGetCollatzFinal() { |
| assertEquals(Collatz.getCollatzFinal(1), 1); |
| assertEquals(Collatz.getCollatzFinal(5), 1); |
| assertEquals(Collatz.getCollatzFinal(10), 1); |
| assertEquals(Collatz.getCollatzFinal(21), 1); |
| } |
| |
| } |
| EOF |
| |
| bazel coverage --test_output=all //:test &>$TEST_log || fail "Coverage for //:test failed" |
| cat $TEST_log |
| local coverage_file_path="$( get_coverage_file_path_from_test_log )" |
| |
| cat <<EOF > result.dat |
| SF:src/main/com/example/Collatz.java |
| FN:3,com/example/Collatz::<init> ()V |
| FN:6,com/example/Collatz::getCollatzFinal (I)I |
| FNDA:0,com/example/Collatz::<init> ()V |
| FNDA:1,com/example/Collatz::getCollatzFinal (I)I |
| FNF:2 |
| FNH:1 |
| BA:6,2 |
| BA:9,2 |
| BRF:2 |
| BRH:2 |
| DA:3,0 |
| DA:6,3 |
| DA:7,2 |
| DA:9,4 |
| DA:10,5 |
| DA:12,7 |
| LH:5 |
| LF:6 |
| end_of_record |
| EOF |
| |
| diff result.dat "$coverage_file_path" >> $TEST_log |
| if ! cmp result.dat $coverage_file_path; then |
| fail "Coverage output file is different with expected" |
| fi |
| } |
| |
| function test_java_test_coverage_combined_report() { |
| |
| cat <<EOF > BUILD |
| java_test( |
| name = "test", |
| srcs = glob(["src/test/**/*.java"]), |
| test_class = "com.example.TestCollatz", |
| deps = [":collatz-lib"], |
| ) |
| |
| java_library( |
| name = "collatz-lib", |
| srcs = glob(["src/main/**/*.java"]), |
| ) |
| EOF |
| |
| mkdir -p src/main/com/example |
| cat <<EOF > src/main/com/example/Collatz.java |
| package com.example; |
| |
| public class Collatz { |
| |
| public static int getCollatzFinal(int n) { |
| if (n == 1) { |
| return 1; |
| } |
| if (n % 2 == 0) { |
| return getCollatzFinal(n / 2); |
| } else { |
| return getCollatzFinal(n * 3 + 1); |
| } |
| } |
| |
| } |
| EOF |
| |
| mkdir -p src/test/com/example |
| cat <<EOF > src/test/com/example/TestCollatz.java |
| package com.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| public class TestCollatz { |
| |
| @Test |
| public void testGetCollatzFinal() { |
| assertEquals(Collatz.getCollatzFinal(1), 1); |
| assertEquals(Collatz.getCollatzFinal(5), 1); |
| assertEquals(Collatz.getCollatzFinal(10), 1); |
| assertEquals(Collatz.getCollatzFinal(21), 1); |
| } |
| |
| } |
| EOF |
| |
| bazel coverage --test_output=all //:test --coverage_report_generator=@bazel_tools//tools/test/CoverageOutputGenerator/java/com/google/devtools/coverageoutputgenerator:Main --combined_report=lcov &>$TEST_log \ |
| || echo "Coverage for //:test failed" |
| |
| cat <<EOF > result.dat |
| SF:src/main/com/example/Collatz.java |
| FN:3,com/example/Collatz::<init> ()V |
| FN:6,com/example/Collatz::getCollatzFinal (I)I |
| FNDA:0,com/example/Collatz::<init> ()V |
| FNDA:1,com/example/Collatz::getCollatzFinal (I)I |
| FNF:2 |
| FNH:1 |
| BA:6,2 |
| BA:9,2 |
| BRF:2 |
| BRH:2 |
| DA:3,0 |
| DA:6,3 |
| DA:7,2 |
| DA:9,4 |
| DA:10,5 |
| DA:12,7 |
| LH:5 |
| LF:6 |
| end_of_record |
| EOF |
| |
| if ! cmp result.dat ./bazel-out/_coverage/_coverage_report.dat; then |
| diff result.dat bazel-out/_coverage/_coverage_report.dat >> $TEST_log |
| fail "Coverage output file is different with expected" |
| fi |
| } |
| |
| function test_java_test_java_import_coverage() { |
| |
| cat <<EOF > BUILD |
| java_test( |
| name = "test", |
| srcs = glob(["src/test/**/*.java"]), |
| test_class = "com.example.TestCollatz", |
| deps = [":collatz-import"], |
| ) |
| |
| java_import( |
| name = "collatz-import", |
| jars = [":libcollatz-lib.jar"], |
| ) |
| |
| java_library( |
| name = "collatz-lib", |
| srcs = glob(["src/main/**/*.java"]), |
| ) |
| EOF |
| |
| mkdir -p src/main/com/example |
| cat <<EOF > src/main/com/example/Collatz.java |
| package com.example; |
| |
| public class Collatz { |
| |
| public static int getCollatzFinal(int n) { |
| if (n == 1) { |
| return 1; |
| } |
| if (n % 2 == 0) { |
| return getCollatzFinal(n / 2); |
| } else { |
| return getCollatzFinal(n * 3 + 1); |
| } |
| } |
| |
| } |
| EOF |
| |
| mkdir -p src/test/com/example |
| cat <<EOF > src/test/com/example/TestCollatz.java |
| package com.example; |
| |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Test; |
| |
| public class TestCollatz { |
| |
| @Test |
| public void testGetCollatzFinal() { |
| assertEquals(Collatz.getCollatzFinal(1), 1); |
| assertEquals(Collatz.getCollatzFinal(5), 1); |
| assertEquals(Collatz.getCollatzFinal(10), 1); |
| assertEquals(Collatz.getCollatzFinal(21), 1); |
| } |
| |
| } |
| EOF |
| |
| bazel coverage --test_output=all //:test &>$TEST_log || fail "Coverage for //:test failed" |
| local coverage_file_path="$( get_coverage_file_path_from_test_log )" |
| |
| cat <<EOF > result.dat |
| SF:src/main/com/example/Collatz.java |
| FN:3,com/example/Collatz::<init> ()V |
| FN:6,com/example/Collatz::getCollatzFinal (I)I |
| FNDA:0,com/example/Collatz::<init> ()V |
| FNDA:1,com/example/Collatz::getCollatzFinal (I)I |
| FNF:2 |
| FNH:1 |
| BA:6,2 |
| BA:9,2 |
| BRF:2 |
| BRH:2 |
| DA:3,0 |
| DA:6,3 |
| DA:7,2 |
| DA:9,4 |
| DA:10,5 |
| DA:12,7 |
| LH:5 |
| LF:6 |
| end_of_record |
| EOF |
| diff result.dat "$coverage_file_path" >> $TEST_log |
| cmp result.dat "$coverage_file_path" || fail "Coverage output file is different than the expected file" |
| } |
| |
| run_suite "test tests" |