test(yarn fixtures) initial edge case fixture structure example for y…

…arn tooling (#323)

buildtools/yarn/parse_test.go

@@ -53,6 +53,20 @@ func TestSimpleLockfile(t *testing.T) {
 	AssertDeps(t, deps.Transitive, "chai", "4.1.2")
 }
 
+func TestTransDepNameAndRevisionCollisionWithProdDirectDep(t *testing.T) {
+	testPathBase := filepath.Join("testdata", "trans_dep_name_and_revision_collision_with_prod_direct_dep")
+	deps, err := yarn.FromProject(filepath.Join(testPathBase, "package.json"), filepath.Join(testPathBase, "yarn.lock"))
+	assert.NoError(t, err)
+
+	assert.Len(t, deps.Direct, 1)
+	assert.Len(t, deps.Transitive, 1)
+
+	assert.Equal(t, "a", deps.Direct[0].Target)
+	assert.Equal(t, "1.0.1", deps.Direct[0].Resolved.Revision)
+
+	AssertDeps(t, deps.Transitive, "a", "1.0.1")
+}
+
 func AssertDeps(t *testing.T, transitiveDeps map[pkg.ID]pkg.Package, name, revision string) {
 	for pkgID, _ := range transitiveDeps {
 		if pkgID.Name == name && pkgID.Revision == revision {

buildtools/yarn/testdata/trans_dep_name_and_revision_collision_with_prod_direct_dep/README.md

@@ -0,0 +1,6 @@
+###  prod deps
+* a@^1.0.0 -> 1.0.1
+
+### dev deps
+* b@^2.0.0 -> 2.0.2
+  * a^1.0.0 -> 1.0.1

buildtools/yarn/testdata/trans_dep_name_and_revision_collision_with_prod_direct_dep/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "testdata",
+  "version": "1.0.0",
+  "dependencies": {
+    "a":"^1.0.0"
+  },
+  "devDependencies": {
+    "b":"^2.0.0"
+  }
+}

buildtools/yarn/testdata/trans_dep_name_and_revision_collision_with_prod_direct_dep/yarn.lock

@@ -0,0 +1,13 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+a@^1.0.0:
+  version "1.0.1"
+  resolved "someurl"
+
+b@^2.0.0:
+  version "2.0.1"
+  resolved "someurl"
+  dependencies:
+    a "^1.0.0"