[test] Add unit test for package addDep

2 files changed, 101 insertions, 2 deletions

diff --git a/package.go b/package.go
index b19eb07..ea5030a 100644
--- a/package.go
+++ b/package.go
@@ -199,8 +199,8 @@ func (pkg *Package) GetRecursiveImports() (
 // (4.1) if match found, link the package deps to existing package instance.
 // (4.2) If no match found, add to `depsMissing` as string
 //
-// It will return true if import path is added as link or missing; otherwise
-// it will return false.
+// It will return true if import path is added as dependencies or as missing
+// one; otherwise it will return false.
 //
 func (pkg *Package) addDep(env *Env, importPath string) bool {
 	// (0)
diff --git a/package_git_test.go b/package_git_test.go
index 8665187..193cffb 100644
--- a/package_git_test.go
+++ b/package_git_test.go
@@ -283,6 +283,104 @@ func testGitScanDeps(t *testing.T) {
 	}
 }
 
+func testAddDep(t *testing.T) {
+	cases := []struct {
+		desc           string
+		envPkgs        []*Package
+		importPath     string
+		exp            bool
+		expDeps        []string
+		expDepsMissing []string
+		expPkgsMissing []string
+	}{{
+		desc:       "Is the same path as package",
+		importPath: testGitRepo,
+	}, {
+		desc:       "Is vendor package",
+		importPath: "vendor/github.com/shuLhan/beku",
+	}, {
+		desc:       "Is standard package",
+		importPath: "os/exec",
+	}, {
+		desc: "Is exist on environment",
+		envPkgs: []*Package{{
+			ImportPath: "github.com/shuLhan/beku",
+		}, {
+			ImportPath: "github.com/shuLhan/share",
+		}},
+		importPath: "github.com/shuLhan/share/lib/test",
+		exp:        true,
+		expDeps: []string{
+			"github.com/shuLhan/share",
+		},
+	}, {
+		desc: "Is exist on environment (again)",
+		envPkgs: []*Package{{
+			ImportPath: "github.com/shuLhan/beku",
+		}, {
+			ImportPath: "github.com/shuLhan/share",
+		}},
+		importPath: "github.com/shuLhan/share/lib/test",
+		exp:        true,
+		expDeps: []string{
+			"github.com/shuLhan/share",
+		},
+	}, {
+		desc:       "Is not exist on environment (missing)",
+		importPath: "github.com/shuLhan/tekstus",
+		exp:        true,
+		expDeps: []string{
+			"github.com/shuLhan/share",
+		},
+		expDepsMissing: []string{
+			"github.com/shuLhan/tekstus",
+		},
+		expPkgsMissing: []string{
+			"github.com/shuLhan/tekstus",
+		},
+	}, {
+		desc:       "Is not exist on environment (again)",
+		importPath: "github.com/shuLhan/tekstus",
+		exp:        true,
+		expDeps: []string{
+			"github.com/shuLhan/share",
+		},
+		expDepsMissing: []string{
+			"github.com/shuLhan/tekstus",
+		},
+		expPkgsMissing: []string{
+			"github.com/shuLhan/tekstus",
+		},
+	}}
+
+	var got bool
+
+	gitCurPkg.Deps = nil
+	gitCurPkg.DepsMissing = nil
+
+	for _, c := range cases {
+		t.Log(c.desc)
+
+		testEnv.pkgs = c.envPkgs
+		testEnv.pkgsMissing = nil
+		got = gitCurPkg.addDep(testEnv, c.importPath)
+
+		test.Assert(t, "return", c.exp, got, true)
+
+		if !got {
+			continue
+		}
+
+		test.Assert(t, "Deps", c.expDeps, gitCurPkg.Deps, true)
+		test.Assert(t, "DepsMissing", c.expDepsMissing, gitCurPkg.DepsMissing, true)
+		test.Assert(t, "env.pkgsMissing", c.expPkgsMissing,
+			testEnv.pkgsMissing, true)
+	}
+
+	gitCurPkg.Deps = nil
+	gitCurPkg.DepsMissing = nil
+}
+
 func TestGit(t *testing.T) {
 	orgGOPATH := build.Default.GOPATH
 
@@ -319,4 +417,5 @@ func TestGit(t *testing.T) {
 	t.Run("Fetch", testGitFetch)
 	t.Run("Scan", testGitScan)
 	t.Run("ScanDeps", testGitScanDeps)
+	t.Run("addDep", testAddDep)
 }