ccanlint: add testdepends support.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

tools/ccanlint/tests/depends_accurate.c

@@ -16,7 +16,7 @@
 #include <string.h>
 #include <ctype.h>
 
-static bool has_dep(struct manifest *m, const char *depname)
+static bool has_dep(struct manifest *m, bool test_depend, const char *depname)
 {
 	struct manifest *i;
 
@@ -28,21 +28,20 @@ static bool has_dep(struct manifest *m, const char *depname)
 		if (streq(i->basename, depname))
 			return true;
 	}
+
+	if (test_depend) {
+		list_for_each(&m->test_deps, i, list) {
+			if (streq(i->basename, depname))
+				return true;
+		}
+	}
+
 	return false;
 }
 
-static void check_depends_accurate(struct manifest *m,
-				   unsigned int *timeleft, struct score *score)
+static void check_dep_includes(struct manifest *m, struct score *score,
+			       struct ccan_file *f, bool test_depend)
 {
-	struct list_head *list;
-
-	foreach_ptr(list, &m->c_files, &m->h_files,
-		    &m->run_tests, &m->api_tests,
-		    &m->compile_ok_tests, &m->compile_fail_tests,
-		    &m->other_test_c_files) {
-		struct ccan_file *f;
-
-		list_for_each(list, f, list) {
 	unsigned int i;
 	char **lines = get_ccan_file_lines(f);
 	struct line_info *li = get_ccan_line_info(f);
@@ -54,7 +53,7 @@ static void check_depends_accurate(struct manifest *m,
 			    "ccan/+([^/]+)/", &mod))
 			continue;
 
-				if (has_dep(m, mod))
+		if (has_dep(m, test_depend, mod))
 			continue;
 
 		/* FIXME: we can't be sure about
@@ -62,11 +61,30 @@ static void check_depends_accurate(struct manifest *m,
 		 * complain. */
 		if (!li[i].cond) {
 			score_file_error(score, f, i+1,
-							 "%s not listed in _info",
-							 mod);
+					 "%s not listed in _info", mod);
 		}
 	}
+}
+
+static void check_depends_accurate(struct manifest *m,
+				   unsigned int *timeleft, struct score *score)
+{
+	struct list_head *list;
+
+	foreach_ptr(list, &m->c_files, &m->h_files) {
+		struct ccan_file *f;
+
+		list_for_each(list, f, list)
+			check_dep_includes(m, score, f, false);
 	}
+
+	foreach_ptr(list, &m->run_tests, &m->api_tests,
+		    &m->compile_ok_tests, &m->compile_fail_tests,
+		    &m->other_test_c_files) {
+		struct ccan_file *f;
+
+		list_for_each(list, f, list)
+			check_dep_includes(m, score, f, true);
 	}
 
 	if (!score->error) {
@@ -79,7 +97,7 @@ struct ccanlint depends_accurate = {
 	.key = "depends_accurate",
 	.name = "Module's CCAN dependencies are the only CCAN files #included",
 	.check = check_depends_accurate,
-	.needs = "depends_exist"
+	.needs = "depends_exist test_depends_exist"
 };
 
 REGISTER_TEST(depends_accurate);

tools/ccanlint/tests/depends_build.c

 #include <tools/ccanlint/ccanlint.h>
 #include <tools/tools.h>
 #include <ccan/talloc/talloc.h>
+#include <ccan/foreach/foreach.h>
 #include <ccan/str/str.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -79,19 +80,26 @@ char *build_submodule(struct manifest *m, const char *flags,
 static void check_depends_built(struct manifest *m,
 				unsigned int *timeleft, struct score *score)
 {
+	struct list_head *list;
+
+	foreach_ptr(list, &m->deps, &m->test_deps) {
 		struct manifest *i;
+		list_for_each(list, i, list) {
+			char *errstr;
 
-	list_for_each(&m->deps, i, list) {
-		char *errstr = build_submodule(i, cflags, COMPILE_NORMAL);
+			errstr = build_submodule(i, cflags, COMPILE_NORMAL);
 
 			if (errstr) {
 				score->error = talloc_asprintf(score,
 							       "Dependency %s"
-						       " did not build:\n%s",
-						       i->basename, errstr);
+							       " did not"
+							       " build:\n%s",
+							       i->basename,
+							       errstr);
 				return;
 			}
 		}
+	}
 
 	score->pass = true;
 	score->score = score->total;
@@ -102,7 +110,7 @@ struct ccanlint depends_build = {
 	.name = "Module's CCAN dependencies can be found or built",
 	.check = check_depends_built,
 	.can_run = can_build,
-	.needs = "depends_exist"
+	.needs = "depends_exist test_depends_exist"
 };
 
 REGISTER_TEST(depends_build);

tools/ccanlint/tests/depends_build_without_features.c

@@ -2,6 +2,7 @@
 #include <tools/tools.h>
 #include <ccan/talloc/talloc.h>
 #include <ccan/str/str.h>
+#include <ccan/foreach/foreach.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -27,23 +28,29 @@ static void check_depends_built_without_features(struct manifest *m,
 						 unsigned int *timeleft,
 						 struct score *score)
 {
+	struct list_head *list;
 	struct manifest *i;
 	char *flags;
 
 	flags = talloc_asprintf(score, "%s %s", cflags,
 				REDUCE_FEATURES_FLAGS);
 
-	list_for_each(&m->deps, i, list) {
-		char *errstr = build_submodule(i, flags, COMPILE_NOFEAT);
+	foreach_ptr(list, &m->deps, &m->test_deps) {
+		list_for_each(list, i, list) {
+			char *errstr = build_submodule(i, flags,
+						       COMPILE_NOFEAT);
 
 			if (errstr) {
 				score->error = talloc_asprintf(score,
 							       "Dependency %s"
-						       " did not build:\n%s",
-						       i->basename, errstr);
+							       " did not"
+							       " build:\n%s",
+							       i->basename,
+							       errstr);
 				return;
 			}
 		}
+	}
 
 	score->pass = true;
 	score->score = score->total;

tools/ccanlint/tests/depends_exist.c

@@ -14,7 +14,20 @@
 #include <string.h>
 #include <ctype.h>
 
-static bool add_dep(struct manifest *m, const char *dep, struct score *score)
+static bool have_dep(struct manifest *m, const char *dep)
+{
+	struct manifest *i;
+
+	list_for_each(&m->deps, i, list)
+		if (streq(i->basename, dep + strlen("ccan/")))
+			return true;
+
+	return false;
+}
+
+static bool add_dep(struct manifest *m,
+		    struct list_head *deplist,
+		    const char *dep, struct score *score)
 {
 	struct stat st;
 	struct manifest *subm;
@@ -29,7 +42,7 @@ static bool add_dep(struct manifest *m, const char *dep, struct score *score)
 		return false;
 	}
 	subm = get_manifest(m, dir);
-	list_add_tail(&m->deps, &subm->list);
+	list_add_tail(deplist, &subm->list);
 	return true;
 }
 
@@ -39,11 +52,32 @@ static void check_depends_exist(struct manifest *m,
 {
 	unsigned int i;
 	char **deps;
-	char *updir = talloc_strdup(m, m->dir);
-	bool needs_tap;
 
-	if (strrchr(updir, '/'))
-		*strrchr(updir, '/') = '\0';
+	if (safe_mode)
+		deps = get_safe_ccan_deps(m, m->dir, "depends", true);
+	else
+		deps = get_deps(m, m->dir, "depends", true,
+				get_or_compile_info);
+
+	for (i = 0; deps[i]; i++) {
+		if (!strstarts(deps[i], "ccan/"))
+			continue;
+
+		if (!add_dep(m, &m->deps, deps[i], score))
+			return;
+	}
+
+	score->pass = true;
+	score->score = score->total;
+}
+
+static void check_test_depends_exist(struct manifest *m,
+				     unsigned int *timeleft,
+				     struct score *score)
+{
+	unsigned int i;
+	char **deps;
+	bool needs_tap;
 
 	/* We may need libtap for testing, unless we're "tap" */
 	if (streq(m->basename, "tap")) {
@@ -55,16 +89,18 @@ static void check_depends_exist(struct manifest *m,
 	}
 
 	if (safe_mode)
-		deps = get_safe_ccan_deps(m, m->dir, "depends", true);
+		deps = get_safe_ccan_deps(m, m->dir, "testdepends", true);
 	else
-		deps = get_deps(m, m->dir, "depends", true,
+		deps = get_deps(m, m->dir, "testdepends", true,
 				get_or_compile_info);
 
 	for (i = 0; deps[i]; i++) {
 		if (!strstarts(deps[i], "ccan/"))
 			continue;
 
-		if (!add_dep(m, deps[i], score))
+		/* Don't add dependency twice: we can only be on one list! */
+		if (!have_dep(m, deps[i])
+		    && !add_dep(m, &m->test_deps, deps[i], score))
 			return;
 
 		if (streq(deps[i], "ccan/tap")) {
@@ -72,7 +108,8 @@ static void check_depends_exist(struct manifest *m,
 		}
 	}
 
-	if (needs_tap && !add_dep(m, "ccan/tap", score)) {
+	if (needs_tap && !have_dep(m, "ccan/tap")
+	    && !add_dep(m, &m->test_deps, "ccan/tap", score)) {
 		return;
 	}
 
@@ -89,3 +126,13 @@ struct ccanlint depends_exist = {
 };
 
 REGISTER_TEST(depends_exist);
+
+struct ccanlint test_depends_exist = {
+	.key = "test_depends_exist",
+	.name = "Module's CCAN test dependencies can be found",
+	.compulsory = false,
+	.check = check_test_depends_exist,
+	.needs = "depends_exist"
+};
+
+REGISTER_TEST(test_depends_exist);

tools/ccanlint/tests/tests_compile.c

@@ -42,23 +42,30 @@ char *test_obj_list(const struct manifest *m, bool link_with_module,
 			list = talloc_asprintf_append(list, " %s",
 						      i->compiled[own_ctype]);
 
-	/* Other ccan modules. */
+	/* Other ccan modules (normal depends). */
 	list_for_each(&m->deps, subm, list) {
 		if (subm->compiled[ctype])
 			list = talloc_asprintf_append(list, " %s",
 						      subm->compiled[ctype]);
 	}
 
+	/* Other ccan modules (test depends). */
+	list_for_each(&m->test_deps, subm, list) {
+		if (subm->compiled[ctype])
+			list = talloc_asprintf_append(list, " %s",
+						      subm->compiled[ctype]);
+	}
+
 	return list;
 }
 
-char *lib_list(const struct manifest *m, enum compile_type ctype)
+char *test_lib_list(const struct manifest *m, enum compile_type ctype)
 {
 	unsigned int i;
 	char **libs;
 	char *ret = talloc_strdup(m, "");
 
-	libs = get_libs(m, m->dir, "depends", get_or_compile_info);
+	libs = get_libs(m, m->dir, "testdepends", get_or_compile_info);
 	for (i = 0; libs[i]; i++)
 		ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
 	return ret;
@@ -84,7 +91,7 @@ static bool compile(const void *ctx,
 	if (!compile_and_link(ctx, file->fullname, ccan_dir,
 			      test_obj_list(m, link_with_module,
 					    ctype, ctype),
-			      compiler, flags, lib_list(m, ctype), fname,
+			      compiler, flags, test_lib_list(m, ctype), fname,
 			      output)) {
 		talloc_free(fname);
 		return false;
@@ -111,7 +118,7 @@ static void compile_async(const void *ctx,
 
 	compile_and_link_async(file, time_ms, file->fullname, ccan_dir,
 			       test_obj_list(m, link_with_module, ctype, ctype),
-			       compiler, flags, lib_list(m, ctype),
+			       compiler, flags, test_lib_list(m, ctype),
 			       file->compiled[ctype]);
 }
 

tools/ccanlint/tests/tests_compile.h

@@ -3,4 +3,4 @@
 char *test_obj_list(const struct manifest *m, bool link_with_module,
 		    enum compile_type ctype, enum compile_type own_ctype);
 /* Library list as specified by ctype variant of _info. */
-char *lib_list(const struct manifest *m, enum compile_type ctype);
+char *test_lib_list(const struct manifest *m, enum compile_type ctype);

tools/ccanlint/tests/tests_compile_coverage.c

@@ -46,7 +46,7 @@ static void cov_compile(const void *ctx,
 					     COMPILE_NORMAL,
 					     COMPILE_COVERAGE),
 			       compiler, flags,
-			       lib_list(m, COMPILE_NORMAL),
+			       test_lib_list(m, COMPILE_NORMAL),
 			       file->compiled[COMPILE_COVERAGE]);
 }
 

tools/manifest.c

@@ -237,6 +237,7 @@ struct manifest *get_manifest(const void *ctx, const char *dir)
 	list_head_init(&m->examples);
 	list_head_init(&m->mangled_examples);
 	list_head_init(&m->deps);
+	list_head_init(&m->test_deps);
 
 	len = strlen(m->dir);
 	while (len && m->dir[len-1] == '/')

tools/manifest.h

@@ -38,6 +38,7 @@ struct manifest {
 
 	/* From tests/check_depends_exist.c */
 	struct list_head deps;
+	struct list_head test_deps;
 
 	/* From tests/license_exists.c */
 	enum license license;