tests: update dependency factory tests to check type_name is sane

Since we pass a method: 'foo' to every one of these
config-tool/pkg-config dependencies, we do not ever need to check which
type_name it has; change these to asserts instead.

In the process, we discover a bug! We kept checking for type
'configtool' instead of 'config-tool', so these tests all
short-circuited and checked nothing. Once moved to an assert, the
asserts failed.

Add a new lookup for a known system dependency and make it assert that
too.

test cases/common/164 dependency factory/meson.build

@@ -1,51 +1,66 @@
-project('dependency factory', 'c', meson_version : '>=0.40')
+project('dependency factory', 'c', meson_version : '>=0.53')
 
 dep = dependency('gl', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('SDL2', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('SDL2', method: 'config-tool', required: false)
-if dep.found() and dep.type_name() == 'configtool'
+if dep.found()
+  assert(dep.type_name() == 'config-tool')
   dep.get_configtool_variable('prefix')
 endif
 
 dep = dependency('Vulkan', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('pcap', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('pcap', method: 'config-tool', required: false)
-if dep.found() and dep.type_name() == 'configtool'
+if dep.found()
+  assert(dep.type_name() == 'config-tool')
   dep.get_configtool_variable('prefix')
 endif
 
 dep = dependency('cups', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('cups', method: 'config-tool', required: false)
-if dep.found() and dep.type_name() == 'configtool'
+if dep.found()
+  assert(dep.type_name() == 'config-tool')
   dep.get_configtool_variable('prefix')
 endif
 
 dep = dependency('libwmf', method: 'pkg-config', required: false)
-if dep.found() and dep.type_name() == 'pkgconfig'
+if dep.found()
+  assert(dep.type_name() == 'pkgconfig')
   dep.get_pkgconfig_variable('prefix')
 endif
 
 dep = dependency('libwmf', method: 'config-tool', required: false)
-if dep.found() and dep.type_name() == 'configtool'
+if dep.found()
+  assert(dep.type_name() == 'config-tool')
   dep.get_configtool_variable('prefix')
 endif
+
+dep = dependency('boost', method: 'system', required: false)
+if dep.found()
+  assert(dep.type_name() == 'system')
+endif