github.com/felipejfc/helm@v2.1.2+incompatible/pkg/chartutil/load_test.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package chartutil
    18  
    19  import (
    20  	"testing"
    21  
    22  	"k8s.io/helm/pkg/proto/hapi/chart"
    23  )
    24  
    25  func TestLoadDir(t *testing.T) {
    26  	c, err := Load("testdata/frobnitz")
    27  	if err != nil {
    28  		t.Fatalf("Failed to load testdata: %s", err)
    29  	}
    30  	verifyFrobnitz(t, c)
    31  	verifyChart(t, c)
    32  	verifyRequirements(t, c)
    33  }
    34  
    35  func TestLoadFile(t *testing.T) {
    36  	c, err := Load("testdata/frobnitz-1.2.3.tgz")
    37  	if err != nil {
    38  		t.Fatalf("Failed to load testdata: %s", err)
    39  	}
    40  	verifyFrobnitz(t, c)
    41  	verifyChart(t, c)
    42  	verifyRequirements(t, c)
    43  }
    44  
    45  func verifyChart(t *testing.T, c *chart.Chart) {
    46  	if c.Metadata.Name == "" {
    47  		t.Fatalf("No chart metadata found on %v", c)
    48  	}
    49  	t.Logf("Verifying chart %s", c.Metadata.Name)
    50  	if len(c.Templates) != 1 {
    51  		t.Errorf("Expected 1 template, got %d", len(c.Templates))
    52  	}
    53  
    54  	numfiles := 8
    55  	if len(c.Files) != numfiles {
    56  		t.Errorf("Expected %d extra files, got %d", numfiles, len(c.Files))
    57  		for _, n := range c.Files {
    58  			t.Logf("\t%s", n.TypeUrl)
    59  		}
    60  	}
    61  
    62  	if len(c.Dependencies) != 2 {
    63  		t.Errorf("Expected 2 dependencies, got %d (%v)", len(c.Dependencies), c.Dependencies)
    64  		for _, d := range c.Dependencies {
    65  			t.Logf("\tSubchart: %s\n", d.Metadata.Name)
    66  		}
    67  	}
    68  
    69  	expect := map[string]map[string]string{
    70  		"alpine": {
    71  			"version": "0.1.0",
    72  		},
    73  		"mariner": {
    74  			"version": "4.3.2",
    75  		},
    76  	}
    77  
    78  	for _, dep := range c.Dependencies {
    79  		if dep.Metadata == nil {
    80  			t.Fatalf("expected metadata on dependency: %v", dep)
    81  		}
    82  		exp, ok := expect[dep.Metadata.Name]
    83  		if !ok {
    84  			t.Fatalf("Unknown dependency %s", dep.Metadata.Name)
    85  		}
    86  		if exp["version"] != dep.Metadata.Version {
    87  			t.Errorf("Expected %s version %s, got %s", dep.Metadata.Name, exp["version"], dep.Metadata.Version)
    88  		}
    89  	}
    90  
    91  }
    92  
    93  func verifyRequirements(t *testing.T, c *chart.Chart) {
    94  	r, err := LoadRequirements(c)
    95  	if err != nil {
    96  		t.Fatal(err)
    97  	}
    98  	if len(r.Dependencies) != 2 {
    99  		t.Errorf("Expected 2 requirements, got %d", len(r.Dependencies))
   100  	}
   101  	tests := []*Dependency{
   102  		{Name: "alpine", Version: "0.1.0", Repository: "https://example.com/charts"},
   103  		{Name: "mariner", Version: "4.3.2", Repository: "https://example.com/charts"},
   104  	}
   105  	for i, tt := range tests {
   106  		d := r.Dependencies[i]
   107  		if d.Name != tt.Name {
   108  			t.Errorf("Expected dependency named %q, got %q", tt.Name, d.Name)
   109  		}
   110  		if d.Version != tt.Version {
   111  			t.Errorf("Expected dependency named %q to have version %q, got %q", tt.Name, tt.Version, d.Version)
   112  		}
   113  		if d.Repository != tt.Repository {
   114  			t.Errorf("Expected dependency named %q to have repository %q, got %q", tt.Name, tt.Repository, d.Repository)
   115  		}
   116  	}
   117  }
   118  func verifyRequirementsLock(t *testing.T, c *chart.Chart) {
   119  	r, err := LoadRequirementsLock(c)
   120  	if err != nil {
   121  		t.Fatal(err)
   122  	}
   123  	if len(r.Dependencies) != 2 {
   124  		t.Errorf("Expected 2 requirements, got %d", len(r.Dependencies))
   125  	}
   126  	tests := []*Dependency{
   127  		{Name: "alpine", Version: "0.1.0", Repository: "https://example.com/charts"},
   128  		{Name: "mariner", Version: "4.3.2", Repository: "https://example.com/charts"},
   129  	}
   130  	for i, tt := range tests {
   131  		d := r.Dependencies[i]
   132  		if d.Name != tt.Name {
   133  			t.Errorf("Expected dependency named %q, got %q", tt.Name, d.Name)
   134  		}
   135  		if d.Version != tt.Version {
   136  			t.Errorf("Expected dependency named %q to have version %q, got %q", tt.Name, tt.Version, d.Version)
   137  		}
   138  		if d.Repository != tt.Repository {
   139  			t.Errorf("Expected dependency named %q to have repository %q, got %q", tt.Name, tt.Repository, d.Repository)
   140  		}
   141  	}
   142  }
   143  
   144  func verifyFrobnitz(t *testing.T, c *chart.Chart) {
   145  	verifyChartfile(t, c.Metadata)
   146  
   147  	if len(c.Templates) != 1 {
   148  		t.Fatalf("Expected 1 template, got %d", len(c.Templates))
   149  	}
   150  
   151  	if c.Templates[0].Name != "templates/template.tpl" {
   152  		t.Errorf("Unexpected template: %s", c.Templates[0].Name)
   153  	}
   154  
   155  	if len(c.Templates[0].Data) == 0 {
   156  		t.Error("No template data.")
   157  	}
   158  }