tests(source_code_traceability): test merging sidecar and source nodes by MID without requiring UID to be present

tests/integration/features/source_code_traceability/_source_nodes/33_merge_with_sdoc_by_mid_no_uid/parent.sdoc

@@ -0,0 +1,12 @@
+[DOCUMENT]
+TITLE: Hello world doc
+
+[REQUIREMENT]
+UID: REQ-1
+TITLE: Requirement Title
+STATEMENT: Requirement Statement
+
+[REQUIREMENT]
+UID: REQ-2
+TITLE: Requirement Title #2
+STATEMENT: Requirement Statement #2

tests/integration/features/source_code_traceability/_source_nodes/33_merge_with_sdoc_by_mid_no_uid/source_node_base.sdoc

@@ -0,0 +1,52 @@
+[DOCUMENT]
+MID: c2d4542d5f1741c88dfcb4f68ad7dcbd
+TITLE: Requirements from Source Nodes
+UID: SRC-NODES-BASE
+OPTIONS:
+  RELATION_FIELD: MID
+
+[GRAMMAR]
+ELEMENTS:
+- TAG: SECTION
+  PROPERTIES:
+    IS_COMPOSITE: True
+  FIELDS:
+  - TITLE: UID
+    TYPE: String
+    REQUIRED: False
+  - TITLE: TITLE
+    TYPE: String
+    REQUIRED: True
+- TAG: REQUIREMENT
+  PROPERTIES:
+    VIEW_STYLE: Narrative
+  FIELDS:
+  - TITLE: MID
+    TYPE: String
+    REQUIRED: False
+  - TITLE: TITLE
+    TYPE: String
+    REQUIRED: False
+  - TITLE: FOO
+    TYPE: String
+    REQUIRED: False
+  - TITLE: BAR
+    TYPE: String
+    REQUIRED: False
+  RELATIONS:
+  - TYPE: Parent
+  - TYPE: File
+
+[[SECTION]]
+TITLE: Merge example.c into static nodes
+
+[REQUIREMENT]
+MID: 3bd0162d-d6d2-42a1-9324-ab8415190970
+TITLE: TITLE from sdoc
+FOO: FOO text from sdoc
+BAR: BAR text from sdoc
+RELATIONS:
+- TYPE: Parent
+  VALUE: REQ-1
+
+[[/SECTION]]

tests/integration/features/source_code_traceability/_source_nodes/33_merge_with_sdoc_by_mid_no_uid/src/example.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+/**
+ * Some text.
+ *
+ * @relation(REQ-1, scope=function)
+ *
+ * MID: 3bd0162d-d6d2-42a1-9324-ab8415190970
+ *
+ * FOO: FOO text from example.c
+ *
+ * BAR: BAR text from example.c
+ */
+void example_1(void) {
+    print("hello world\n");
+}

tests/integration/features/source_code_traceability/_source_nodes/33_merge_with_sdoc_by_mid_no_uid/strictdoc.toml

@@ -0,0 +1,14 @@
+[project]
+
+features = [
+  "REQUIREMENT_TO_SOURCE_TRACEABILITY",
+  "SOURCE_FILE_LANGUAGE_PARSERS",
+]
+
+source_nodes = [
+  { "src/" = { uid = "SRC-NODES-BASE", node_type = "REQUIREMENT" } }
+]
+
+exclude_source_paths = [
+    "test.itest"
+]

tests/integration/features/source_code_traceability/_source_nodes/33_merge_with_sdoc_by_mid_no_uid/test.itest

@@ -0,0 +1,30 @@
+#
+# This test verifies that a source nodes is merged with a static SDoc node with
+# same explicit MID annotated, specifically when neither the SDoc node nor the
+# source code node have any UID field defined.
+#
+# @relation(SDOC-SRS-141, scope=file)
+#
+
+RUN: %strictdoc --debug export %S --output-dir %T | filecheck %s
+
+CHECK: Published: Hello world doc
+
+RUN: %check_exists --file "%T/html/_source_files/src/example.c.html"
+
+RUN: %cat %T/html/%THIS_TEST_FOLDER/source_node_base.html | filecheck %s --check-prefix CHECK-HTML
+CHECK-HTML: Requirements from Source Nodes
+CHECK-HTML: 3bd0162d-d6d2-42a1-9324-ab8415190970
+CHECK-HTML: TITLE from sdoc
+CHECK-HTML: src/example.c, <i>lines: 3-16</i>, function example_1()
+CHECK-HTML-NOT: FOO text from sdoc
+CHECK-HTML: FOO text from example.c
+CHECK-HTML-NOT: BAR text from sdoc
+CHECK-HTML: BAR text from example.c
+
+RUN: %cat %T/html/_source_files/src/example.c.html | filecheck %s --check-prefix CHECK-SOURCE-FILE
+CHECK-HTML-NOT: SRC-NODES-BASE/src/example.c/example_1
+CHECK-SOURCE-FILE: 3bd0162d-d6d2-42a1-9324-ab8415190970
+
+RUN: %cat %T/html/source_coverage.html | filecheck %s --check-prefix CHECK-SOURCE-COVERAGE
+CHECK-SOURCE-COVERAGE: 100.0