dev-python/{doublex-expects,expects,mamba}: EAPI 7 + py37

All in one commit because of this depenceny graph:
- doublex-expects: RDEPEND expects, DEPEND mamba
- expects: DEPEND mamba
- mamba: DEPEND expects, doublex-expects
Bug: https://bugs.gentoo.org/711092
Signed-off-by: Sebastian Pipping <sping@gentoo.org>

dev-python/doublex-expects/doublex-expects-0.7.0_rc2-r1.ebuild

@@ -0,0 +1,31 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python3_{6,7} )
+
+inherit distutils-r1 vcs-snapshot
+
+MY_PV=${PV/_/}
+
+DESCRIPTION="Expects matchers for Doublex test doubles assertions"
+HOMEPAGE="https://github.com/jaimegildesagredo/doublex-expects"
+SRC_URI="https://github.com/jaimegildesagredo/${PN}/archive/v${MY_PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="amd64"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	test? ( dev-python/mamba[${PYTHON_USEDEP}] )
+"
+RDEPEND="
+	dev-python/doublex[${PYTHON_USEDEP}]
+	>=dev-python/expects-0.8.0_rc1[${PYTHON_USEDEP}]
+"
+
+python_test() {
+	mamba || die "Tests failed under ${EPYTHON}"
+}