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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-85043] [CQF] Code coverage</title>
                <link>https://jira.mongodb.org/browse/SERVER-85043</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This ticket tracks running some kind of coverage tool over Bonsai code, ideally using both unit tests and jstests. As a result of this effort, we may identify dead code or areas that need test coverage.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2342583">SERVER-85043</key>
            <summary>[CQF] Code coverage</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="nicholas.zolnierz@mongodb.com">Nicholas Zolnierz</assignee>
                                    <reporter username="hana.pearlman@mongodb.com">Hana Pearlman</reporter>
                        <labels>
                    </labels>
                <created>Tue, 16 May 2023 17:17:55 +0000</created>
                <updated>Fri, 12 Jan 2024 03:01:16 +0000</updated>
                            <resolved>Thu, 17 Aug 2023 17:39:17 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5641132" author="nicholas.zolnierz" created="Thu, 17 Aug 2023 17:39:17 +0000"  >&lt;p&gt;Closing as I&apos;ve filed and linked relevant tickets to either remove code or add coverage. If we decided to re-run this task later in the project then we can reopen this ticket.&lt;/p&gt;</comment>
                            <comment id="5614516" author="nicholas.zolnierz" created="Fri, 4 Aug 2023 19:37:01 +0000"  >&lt;p&gt;The process I used to generate the cumulative code coverage for the optimizer was as follows:&lt;/p&gt;

&lt;p&gt;1. Build binaries with gcov enabled (mongod, unit test targets)&lt;br/&gt;
2. For each binary:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Run relevant tests (e.g. unit test binary, integration test suites)&lt;/li&gt;
	&lt;li&gt;Generate coverage info via &lt;tt&gt;lcov -t optimizer_test -o coverage.info -c -d ./build/&amp;lt;path-to-gcda-files&amp;gt; --derive-func-data&lt;/tt&gt;&lt;/li&gt;
	&lt;li&gt;Save coverage.info for later use&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;3. Once all of the .info files are built, merge them via&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;lcov --add-tracefile coverage1.info ... -o merged.info&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;4. Generate html files&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;genhtml -s -o html-directory -t &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;Code Coverage&quot;&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; --highlight merged.info&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;I only ran the following integration test suites: cqf, cqf_parallel, cqf_disabled_pipeline_opt, cqf_experimental_aggregation_passthrough, cqf_experimental_jscore_passthrough, optimizer_test, core (w/ CQF enabled), aggregation (w/ CQF enabled)&lt;/p&gt;

&lt;p&gt;Notably left out: no_passthrough, sbe_abt_test, translation tests, sharding*, cqf_experimental_no_passthrough (no_passthrough takes waaaay too long to run locally)&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="2410724">SERVER-79791</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2413041">SERVER-79879</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2413301">SERVER-79883</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
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                <attachments>
                            <attachment id="467351" name="optimizer code coverage.zip" size="6356615" author="nicholas.zolnierz@mongodb.com" created="Fri, 4 Aug 2023 19:31:54 +0000"/>
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